Perciformes: Gerreidae
Contents
1. Most of these organisms were young individuals and their sex was undetermined 284 individ uals of the samples that could be sexed 64 were females and 46 were males Biometric relationships The maximum value of TL was 28 6 cm and the minimum was 9 1 cm with a difference of 19 5 cm Table 1 Total weight varied from 19 9 g to 362 6 g Mode was higher than average in the length cases that is in total TL stan dard SL and height D lengths of the body implying a data distribution with positive asymmetric trend also with more values higher than the mode In the case of weight the modes are lower than the averages Age validation The sampled organisms were used to calculate values of each age Gallardo Cabello et al in press for age 1 10 00 cm age 2 15 00 cm age 3 19 00cm age 4 23 00 cm age 5 26 00 cm and age 6 29 00 cm These results are further analyzed in this study Table 1 Summary of size values of the measured variables from Diapterus brevirostris TL cm SL cm D cm TW 8 EW g Average 14 8 10 6 5 5 46 1 42 0 Maximum 28 6 21 0 10 6 362 6 310 4 Minimum 9 4 7 3 8 9 9 18 5 Mode 15 0 11 0 6 0 34 6 32 7 SD 1 9 1 4 0 8 26 0 22 9 n 394 TL total length SL standard length D height or body depth TW total weight and EW eviscerated weight 2 gt AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Revista de investigaci n y difus2. Reproduction of Mugil curema Pisces Mugilidae from the Cuyutl n lagoon in the Pacific coast of M xico Avances de Investigaci n Agropecuaria 14 3 19 32 Cabrera Pe a J Solano L pez Y and Mora Hern ndez M 1996 Crecimiento de Diapterus peruvianus Pisces Gerreidae en los estuarios de los r os Damas y Palo Seco Costa Rica Revista de Biolog a Tropical 44 2 935 937 Castro Aguirre J L 1978 Cat logo sistem tico de los peces marinos que penetran a las aguas continentales de M xico con aspectos zoogeogr ficos y ecol gicos Depto Pesca INP Serie Cient fica No 19 298 pp Castro Aguirre J L Espinosa P rez H S y Schmitter Soto J J 1999 Ictiofauna estuarino lagunar y vicaria de M xico Serie Biotecnolog as IPN y Ed Noriega Limusa 711 pp Claro R and Garc a Arteaga J P 2001 Growth Patterns of Fishes of the Cuban Shelf In Ecology of the Marine Fishes of Cuba Claro R Kindeman K C and Parenti L R Eds Smithonian Institution Press Washington D C USA pp 149 178 De la Cruz Ag ero J Garc a Rodr guez F J Cota G mez V M Chollet Villalpando J G and Vergara Solana F J 201 1 Length weight relations of selected species of the family Gerreidae Actinopterygii Perciformes from the Mexican coast Acta Ichthyologica et Piscatoria 41 1 67 69 Espino Barr E Gallardo Cabello M Garc a Boa A Cabral Sol s E G and Puente G mez M 2006 Morphologi
3. investigaci n y difusi n cient fica agropecuaria Analysis of length frequency Observed values of TL ranged from 9 1 cm to 32 0 cm May June and December have the smallest individuals and June the largest Fig 3 The results of length at each age are shown in lable 3 these values are similar to those obtained by otoliths rings growth analysis Observed TL for each age obtained with ELEFAN s method showed lower values from ages one to three and higher values for ages four to six Growth parameters for TL were L 49 45 cm K 0 140 years and t 0 492 Rn 307 The sum of square errors SSE between observed values from otoliths and data obtained by ELEFAN was SSE 9 41 Figure 3 Length frequency and growth curve of Diapterus brevirostris by ELEFAN method 30 cL N rhn h MIS LLL an IL i than i Length cm h al 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 Analysis of otoliths Analysis of the sagittae and asterisci otoliths allowed the identifi cation of 6 age groups Growth parameters obtained by Ford Walford Gulland method for TL were L 48 61 cm K 0 135 years t 0 696 Growth parameters obtained by solver iterative process did not give a better fit of the calculated equation obtained from the otoliths readings the values of the constants of von Bertalanffy growth equation were the same as those obtained from the Ford Walford Gulland methods Growth from one age to the
4. next was 9 97 cm from age 0 to age 1 4 89 cm from age l to age 2 4 27 cm from ages 2 to 3 3 73 cm from ages 3 to 4 3 26 cm from ages 4 to 5 and 2 85 cm from ages 5 to 6 Figure 4 shows the growth curve of D brevirostris according to von Bertalanffy s method AVANCES EN INVESTIGACI N AGROPECUARIA 33 Gallardo Cabello et al Ala 2014 18 2 27 40 IssN 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris Figure 4 Von Bertalanffy s growth curve in length for Diapterus brevirostris by Ford Walford Gulland F W G with otolith readings and by length frequency with ELEFAN methods 0 135 t 0 696 TL mo 48 61 l e 2130 069 TL 49 45 1 P DONEO ELEFAN Total Lenght cm 0 2 4 6 8 10 Age years O Observed F W G X ELEFAN The sum of square errors SSE between observed and calculated data by Ford Wal ford and Gulland was SSE 6 321 Growth in weight The growth index value of the weight length equation was isometric b 2 997 with total weight data and b 2 962 with eviscerated specimens lable 2 Theoretical growth in weight Values of calculated TW and EW have a slow growth during the first years of age starting at 13 g and 12 g Table 3 Fig 5 After age 3 there Is an important increment in the growth rate The calculated asymptotic total weight was Wt 1 507 9 g and the eviscerated asymptotic weight We 1 348 5 g Longevity Age A D brevirostris reached 9
5. 5 of its infinite length L in 21 5 years 34 AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 IssN 0188789 0 Revista de investigaci n y difusi n cient fica agropecuaria Table 3 Observed and calculated values of total length cm and total IW and eviscerated EW weight g for each age group years of Diapterus brevirostris ELEFAN EW Solver 56 49 45 48 61 48 61 K 0 140 0 135 0 135 a 0 492 0 696 0 696 Age Observed ELEFAN FW Solver years c m sd cm cm cm 10 00 x 1 172 9 32 9 97 9 97 2 15 00 x 1 119 14 56 14 86 14 86 3 19 00 0 813 19 12 19 13 19 13 4 23 00 0 873 23 08 22 87 22 87 5 26 00 26 53 26 12 26 12 6 29 00 29 52 28 97 28 97 7 32 12 31 46 31 46 8 34 39 33 63 33 63 9 36 36 35 52 35 52 g 44 94 160 237 323 413 503 593 EW g 40 85 144 214 291 272 453 535 AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 35 Growth of the Shortnose Mojarra Diapterus brevirostris Figure 5 Von Bertalanffy s growth curve in total and eviscerated weight for Diapterus brevirostris 700 TW 1 507 9 l e 0 1330 0 626 12 977 600 EW 1 348 5 l e 0 135 0 626 72 962 a 500 Weight g NO v A cs os o e e CO le Age years EW TW Discussion Using commercial catch individuals for the growth study of this species can have been bias
6. 88789 0 Revista de investigaci n y difusi n cient fica agropecuaria The values obtained with the length frequency analysis were similar to those found by the identification of growth rings in the sagittae and asterisci which render age determination of D brevirostris valid with both methods and validating each other Joseph 1962 The differences emerged are because of the methods used a direct and an indirect approach Related to the growth parameters calculations done by other authors Cabrera Pe a et al 1996 studied D brevirostris in estuarine waters of two rivers Damas and Palo Seco in Costa Rica and found a higher value of the index K 0 26 using Allen s method and K 0 293 applying Tomlinson and Abramson s method and therefore a low as ymptotic length L_ 31 9 cm and L 32 3 respectively Because of these K values the species would reach L faster and would have a maximum longevity of 11 1 years and 10 2 years respectively The differences found in the parameter values by Cabrera Pe a et al 1996 for this species in Costa Rica lable 4 are related with what Taylor 1958 1960 considers that is the same species living in lower latitudes and higher temperatures will present higher values of the catabolic index K and will achieve smaller lengths of L_ and therefore lower longevities Table 4 Growth parameters of the von Bertalanffy equation for Diapterus brevirostris obtained by different authors longe
7. Growth of the Shortnose Mojarra Diapterus brevirostris Perciformes Gerreidae in Central Mexican Pacific Crecimiento de la malacapa Diapterus brevirostris Perciformes Gerreidae en el Pac fico centro mexicano Manuel Gallardo Cabello Elaine Espino Barr Esther Guadalupe Cabral Sol s Arturo Garc a Boa y Marcos Puente G mez Abstract Samples of Shortnose Mojarra Diapterus brevi rostris were obtained from the commercial catch from April 2010 to July 2012 morphometric data of 394 individuals were registered The growth study entailed two methods length fre quency analysis and study of sagittae and as terisci otoliths Both methods identified six age groups Growth parameters of von Bertalanffy s equation were determined by Ford Walford and Gulland methods and by ELEFAN routine ad justment Both methods gave the same results L 48 61 cm K 0 135 t 0 696 Mean size for each age was age 9 97 cm age 2 14 86 cm age 3 19 13 cm age 4 22 87 cm age 5 26 12 cm and age 6 28 97 cm The allometric index from the weight length relationship was isometric and b 2 977 the longevity was of 21 5 years The growth ring is Instituto de Ciencias del Mar y Limnolog a Universidad Nacional Aut noma de M xico Av Ciudad Universitaria 2000 Col Copilco M xico D F C P 04360 INAPESCA CRIP Manzanillo Playa Ventanas s n Manzanillo Colima C P 28200 Tel 814 332 3750 Corresponding author e
8. Gulland s method 1964 and were adjusted by convergent iterations with Newton s algorithm in the solver program of Excel software Microsoft 1992 The lowest value of a sum of the squared error determined the best adjustment AVANCES EN INVESTIGACI N AGROPECUARIA 29 Gallardo Cabello et al Ala 2014 18 2 27 40 IssN 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris The function W aL gt was used where W weight L length to obtain the weight length relationship and a t student test indicated allometry Zar 1996 The same function was also used to describe Lvs SL and D relationships where the regres sion coefficient or slope b tends to 1 describing an isometric growth with those variables Growth data for length and weight length relationships were used to obtain the weight at each age Weight growth was obtained by substituting TL and L by TW and W in the von Bertalanffy s equation 1938 Iaylor s equation 1958 1960 was used to calculate the age limit or longevity 95 of the L P In 1 0 95 K E To compare the growth parameters of von Bertalanffy s equation obtained in this study with those from other authors growth performance index or phi prima test was estimated Pauly 1979 phi log K 2 log L_ Results Sample From April 2010 to July 2012 394 organisms of Shortnose Mojarra Diapterus brevirostris were sampled in the Cuyutl n Lagoon Manzanillo Colima M xico
9. Issn 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris Gonz lez Acosta A F De la Cruz Ag ero G and De la Cruz Ag ero J 2004 Length weight relationships of fish caught in a mangrove swamp in the Gulf of California M xico Journal of Applied Ichthyology 20 154 155 Gonz lez Acosta A F B arez P lvarez Pliego N de la Cruz Ag ero J and Castro Aguirre J L 2007 On the taxonomic status of Diapterus peruvianus Cuvier 1830 and reinstatement of Diapterus brevirostris Sauvae 1879 Teleostei Gerreidae Cybium 31 3 369 377 Gulland J A 1964 Manual of methods of fish population analysis FAO Fisheries Technical Paper 40 1 60 labal K M Masuda Y Suzuki H and Shinomiya A 2006 Age and growth of the Japanese Silver biddy Gerres equulus in western Kyushu Japan Fisheries Research 77 1 45 52 Joseph D C 1962 Growth characteristics of two Southern California Surffishes the California corbina and spotfin croaker Family Sciaenidae The Resources Agency of California Department of Fish and Game Fishery Bulletin 119 1 54 Kanak M K and Tachihara K 2006 Age and growth of Gerres sp Perciformes Gerreidae in Okinawa Island of Southern Japan Fisheries Science 72 932 938 Microsoft 1992 Manual de usuario Referencia de funciones Microsoft Excel Versi n 4 0 para Windows 702 pp Microsoft Corporation USA Redmond Pauly D 1979 Theory and management of tro
10. al Sol s E G and Puente G mez M 2006 Morphologic and morphometric analysis and growth rings identification of otoliths sagitta asteriscus and lapillus of Caranx caballus Pisces Carangidae in the coast of Colima Mexico International Journal of Zoological Research 2 1 34 47 Gallardo Cabello M Espino Barr E Garc a Boa A Cabral Sol s E G and Puente G mez M 2007 Study of the growth of the green jack Caranx caballus G nther 1868 in the coast of Colima Mexico Journal of Fisheries and Aquatic Science 2 2 130 139 Gallardo Cabello M Espino Barr E Nava Ortega R A Garc a Boa A Cabral Sol s E G and Puente G mez M 2011 Analysis of the otoliths of sagitta asteriscus and lapillus of Pacific sierra Scomberomorus sierra Pisces Scombridae in the coast of Colima Mexico Journal of Fisheries and Aquatic Science 6 4 390 403 Gallardo Cabello M Espino Barr E Cabral Sol s E G Puente G mez M and Garc a Boa A in press Study on the otoliths sagitta asteriscus and lapillus of shortnose mojarra Diapterus brevirostris Pisces Gerreidae in the Cuyutlan lagoon Colima M xico Revista de Biolog a Marina y Oceanograf a Gayanilo F C Sparre P and Pauly D 1994 The FAO ICLARM Stock Assessment Tools FISAD user s guide FAO Computarized Information Series Fisheries 6 1 186 FAO Roma AVANCES EN INVESTIGACI N AGROPECUARIA 39 Gallardo Cabello et al Ala 2014 18 2 27 40
11. and Sivashanthini 2011 In Gerres cinereus 1t has been calculated a K 0 34 lvarez Hern ndez 1999 K 0 65 Claro and Garc a Arteaga 2001 Differences found in the values of the growth parameters of the von Bertalanffy equation are determined by the environmental conditions such as latitude temperature salinity among other Taylor 1958 1960 The pressure of the fishing activity has also an influence 1f there is overfishing the older age groups will disappear Espino Barr et al 2010 Gallardo Cabello et al 2011 Conclusions This study shows the age and sex composition growth index and longevity of the Short nose Mojarra Diapterus brevirostris in the Mexican Central Pacific This information together with studies of reproduction will allow the management of the fishery by sug gesting fishing gears such as size of the mesh opening closed seasons to the fishing catch quotas which will avoid the overexploitation of the natural resources The growth ring marked during the months of spring and the calculated birthday also calculated in this season are due to metabolic factor as a result of the changes in the currents near the coast line of the central Mexican Pacific The analysis of growth of the Shortnose Mojarra Diapterus brevirostris by several methods strengthens the calculated parameters and assures the use of these results in the fisheries research Acknowledgments We are thankful to the fishers who obtai
12. c and morphometric analysis and growth rings identification of otoliths sagitta asteriscus and lapillus of Caranx caninus Pisces Carangidae in the coast of Colima Mexico Journal of Fisheries and Aquatic Science 1 2 157 170 Espino Barr E Cruz Romero M y Garcia Boa A 1998 Edad y crecimiento del huachinango Lutjanus peru Nichols y Murphy 1922 en la costa del estado de Colima M xico Avances de Investigaci n Agropecuaria 7 1 040 051 Espino Barr E Gallardo Cabello M Cabral Sol s E G Garc a Boa A and Puente G mez M 2008 Growth of the Pacific jack Caranx caninus Pisces Carangidae from the coast of Colima M xico Revista de Biolog a Tropical 56 1 171 179 Espino Barr E Gallardo Cabello M Granados Flores K Cabral Sol s E G Garc a Boa A and Puente G mez M 2010 Growth analysis of Microlepidotus brevipinnis from the Pacific coast of Jalisco Mexico Journal of Fisheries and Aquatic Science 5 293 303 Espino Barr E Gallardo Cabello M Cabral Sol s E G Puente G mez M and Garc a Boa A 2013 Otoliths analysis of Mugil curema Pisces Mugilidae in Cuyutlan Lagoon Mexico Avances en Investigaci n Agropecuaria 17 1 35 64 Ford E 1933 An account of the herring investigations conducted at Plymouth during the years from 1924 to 1933 Journal of the Marine Biological Association of the United Kingdom 19 305 384 Gallardo Cabello M Espino Barr E Garc a Boa A Cabr
13. ed due to the different fishing gears used to fish Nevertheless the sample had a large distribution of lengths and ages The relationship between standard and total length showed an isometric growth Data of the relationships between total length and height Iable 2 show a higher tendency to positive allometry This tendency is even higher in males than females and with all the individuals it was average Table 2 In the case of the relationships between total weight and total length an isometric growth is observed for the species and for both sexes that is the organisms grow in the same proportion in weight than in length throughout their life cycle Table 2 Gonz lez Acosta et al 2004 report for this species a value of the alometric index of the weight length relationship of b 2 21 in the Gulf of California M xico Similarly de la Cruz Agiiero et al 2011 found a value of b 3 21 95 Confidence Interval from 3 18 to 3 24 Each year a band of fast and slow growth are deposited on the otoliths sagittae and asterisci allowing the use of this structure to estimate age of D brevirostris and its growth This has also been found in other tropical species where scales are not present Gallar do Cabello et al 2006 2007 201 1 Espino Barr et al 2006 2008 allowing a good assessment of ageing not always possible with scales 26 s AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 01
14. el where the adjustments of data from females and males can t be differentiated AVANCES EN INVESTIGACI N AGROPECUARIA 3 Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris Figure Observed data and weight length relationship by potential model with data of Diapterus brevirostris 350 300 250 200 150 Eviscerated Weight g 100 50 0 5 10 15 20 25 30 35 Total lenght cm OEW cakal calc f calc m Note for the species calc all all the organisms calc f females and calc m males Time of growth rings formation of the slow and fast growth bands Diapterus brevirostris showed that a higher percentage of sagittae and asterisci otoliths with fast growth borders occur from September to February while the highest percentage with slow growth bands otoliths in the borders were observed from March to August n 180 Fig 2 Figure 2 Monthly frequency of growth borders in Diapterus brevirostris sagittae 100 90 80 70 60 50 40 30 20 10 0 Frequency Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Months Hyaline Opaque Hyaline slow growth Opaque fast growth 32 gt AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Revista de
15. erentes m to dos es un resultado robusto para la aplicaci n Keywords de modelos de pesquer as Otoliths length frequency distribution von A hs Bertalanffy growth equation growth in weight longevity Otolitos distribuci n de frecuencia de longi tud von Bertalanffy ecuaci n de crecimiento crecimiento en peso longevidad Introduction hortnose Mojarra Diapterus brevirostris Sauvage 1879 used to be named Peruvian Mojarra D peruvianus Cuvier 1830 Gonz lez Acosta et al 2007 Its common name Peruvian Mojarra has also been changed for Shortnose Mojarra pers com H ctor Espinosa P rez It is distributed in the Eastern Pacific from southern part of the Gulf of California to Peru Its habitat is near shore on sandy bottoms Juveniles penetrate brackish coastal lagoons The species is mainly carnivorous it consumes small benthonic invertebrates and fish also small amounts of algae matter Castro Aguirre 1978 Allen and Robertson 1994 Bussing 1995 Castro A guirre et al 1999 This species is an important fishery resource caught by gill nets and cast nets by arti sanal fishers although it is not the target species During 201 1 the production in M xico of this resource was 62 thousand tons the fishery in the Pacific coast contributes with 6296 of the total catch and Colima registered 345 t 1 of the Pacific production according to SAGARPA 2011 The price at the market is of 30 00 Mexican pesos 2 30 US d
16. i n cient fica agropecuaria Data of the relationships between length maximum height and weight were highly significant with i gt 0 85 P lt 0 05 Table 2 There were no statistical differ ence between sexes with size data P lt 0 05 that is between females and males cd 0 05 2 109 3 929 1 269 The slopes of the relationships between lengths IL and SL were not statistically different to one but the slopes of the relationships between Lt and maximum height He were statistically different to one positive allometric Those between TL and TW and EW were isometric not different to three Morphometric relationships of the variables from Diapterus brevirostris TL vs SL a TL vs EW a b e F n Species 0 701 1 009 0 932 5 337 0 0 265 1 125 0 892 3 230 1 0 014 2 941 0 931 5 291 4 0 014 2 962 0 925 4 811 0 394 Females 0 667 1 029 0 973 22109 0 290 1 081 0 948 1 1522 0 010 3 104 0 977 2 614 7 0 011 3 037 0 958 1 407 1 64 Males 0 687 1 019 0 984 2 791 8 0 182 1 256 0 961 1 071 5 0 012 3 060 0 951 852 2 0 010 3 063 0 952 869 5 46 TL total length SL standard length D height TW total weight and EW eviscerated weight a Y intercept b regression coefficient or slope r coefficient of determination F statistic test Figure 1 shows the scatter diagram of the relation weight length adjusted by the potential mod
17. ied out Zar 1996 The length frequency distribution was analyzed with the ELEFAN program of the FISAT package Gayanilo et al 1994 Sparre and Venema 1995 to obtain the aver age length of corresponding to each age group This method uses a goodness of fit index called Rn on a response surface where the maximum value indicates the best combination of growth parameters The time of the growth ring formation was determined observing whether the borders had slow or fast growth rings In every case otoliths were observed by transparency with transmitted light Gallardo Cabello et al in press the hyaline translucent zone corre sponds to the slow growth band and the opaque zone to the fast growth band which is in contrast with reflected light Blacker 1974 The average length of each growth ring determined by the analysis of the sagittae and asterisci otoliths by Gallardo Cabello et al in press was used to obtain the parameters of von Bertalanffy s 1938 growth equation These observed values translated to fish length were for age 10 00 cm age 2 15 00 cm age 3 19 00cm age 4 23 00 cm age 5 26 00 cm and age 6 29 00 cm Von Bertalanffy s equation 1938 in the form of L L l e 9 was used where L length L asymptotic length K growth factor and t theoretic length at age 0 The parameters L_ K and t of von Bertalanffy s 1 938 equation were ob tained with Ford s 1933 Walford S 1 946 and
18. lespino Q gmail com Resumen Se obtuvieron muestras y datos morfom tricos de 394 individuos de la malacapa Diapterus brevirostris de la captura comercial entre abril de 2010 y julio de 2012 El estudio del creci miento se realiz por dos m todos an lisis de frecuencia de longitud y el estudio de los otoli tos sagittae y asteriscus Ambos m todos iden tificaron seis grupos de edad Los par metros de crecimiento de la ecuaci n de von Berta lanffy se determinaron con el m todo de Ford Walford y Gulland y por rutina ELEFAN Ambos m todos dieron los mismos resultados L_ 48 61 cm K 0 135 t 0 696 La longitud media para cada edad fue edad 1 9 97 cm edad 2 14 86 cm edad 3 19 13 cm edad 4 22 87 cm edad 5 26 12 cm y edad 6 28 97 cm El ndice alom trico de la relaci n longitud peso fue isom trico y b AVANCES EN INVESTIGACI N AGROPECUARIA 27 Gallardo Cabello et al Ala 2014 182 27 40 Issn 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris marked because of the metabolic changes in the fish together with its response to environmental factors The use of the growth parameters ob tained by different methods is a robust result in the use of fishery models 2 977 la longevidad fue de 21 5 a os El anillo de crecimiento se marca por cambios en el me tabolismo del pez junto con su respuesta a los cambios ambientales El uso de los par metros de crecimiento obtenidos por dif
19. liths sagittae and asterisci 4 to obtain the weight length relationships total and eviscerated weight and asymptotic values of weight 5 to estimate the longevity of D brevirostris and 6 to compare results obtained in the present study with those obtained by other authors in other places Materials and methods From April 2010 to July 2012 individuals of D brevirostris were obtained monthly from the commercial captures from Cuyutl n lagoon in Colima M xico 19 00 to 19 02 N and 104 10 to 104 21 W and in Tomatl n Jalisco Mexico 19 58 to 20 04 N and 105 26 to 105 32 W Samples were identified using identification keys for the family Castro Aguirre 1978 Bussing 1995 Castro Aguirre et al 1999 Gonz lez Acosta et al 2007 Total length TL cm and weight IW g of 1 886 individuals were mea sured Of these 394 were transported to the fish laboratory of the Instituto Nacional de Pesca where total TL cm standard length SL cm height or body depth D cm measured at the base of the dorsal fin were taken total IW g and eviscerated weight EW g were registered and sex was observed macroscopically for each specimen These individuals were captured with gillnets of different sizes 2 5 3 5 inch which resulted in the capture of a diversity of different length sizes and age groups To compare the relation and morphometric differences between males and females a one way variance analysis ANOVA was carr
20. ned the sample and always are willing to help and teach us their knowledge of the fish Also we are grateful to the anonymous review ers who improved this study Cited Literature Allen G R and Robertson D R 1994 Peces del Pac fico Oriental Tropical CONABIO Agrupaci n Sierra Madre y CEMEX M xico 327pp lvarez Hern ndez J H 1999 Edad y crecimiento de la mojarra Gerres cinereus en la costa sur del estado de Quintana Roo M xico Proc Gulf Carrib Fish Inst 45 514 523 Ayala P rez L A G mez Montes B A and Ramos Miranda J 2001 Distribuci n abundancia y par metros poblacionales de la mojarra Diapterus rhombeus Pisces Gerreidae en la Laguna de T rminos Campeche M xico Revista de Biolog a Tropical 49 2 635 642 Blacker R W 1974 Recent advances in otolith studies In Harden Jones E Ed Sea Fisheries Research pp 67 90 Elek Science London Bussing W A 1995 Gerreidae Mojarras In Fischer W Krupp F Schneides W Sommer C Carpenter K E and Niem U H Gu a Fao para la identificaci n de especies para los fines de la pesca Pac fico Centro Oriental Vertebrados Vols II Roma FAO Italia p 1114 1128 38 gt AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Revista de investigaci n y difusi n cient fica agropecuaria Cabral Sol s E G Gallardo Cabello M Espino Barr E and Ib ez Aguirre A L 2010
21. ollar exchange rate in 2012 Although the Shortnose Mojarra is a commercially important species studies on its biology and population dynamics are limited growth patterns were analyzed by geometric morphometrics by Vergara Solana et al 2013 weight length relationships were reported by Gonz lez Acosta et al 2004 and de la Cruz Agiiero et al 201 1 Age and growth studies of this species were only carried out by Cabrera Pe a et al 1996 in Costa Rica coasts Therefore this investigation provides data on age and growth of D brevirostris in Mexico analyzing length frequency data and otoliths for the first time Also the otolith asterisci analysis has never been done on this species hese results are important in terms of the fish community ecology and biology also they can be used in fishery models and capture quotas that will help assess and manage the fishery resource Espino Barr et al 1998 2013 Cabral Sol s et al 2010 The aim of this paper was 1 to analyze Diapterus brevirostris length frequency histo grams 2 to determine time of growth ring formation in sagittae and asterisci and analyze minima and maxima growth 2 to calculate von Bertalanffy s growth constants parameters 28 gt AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Revista de investigaci n y difusi n cient fica agropecuaria by length frequency analysis data and ring identification in oto
22. pical multispecies stocks a review with emphasis on the Southeast Asian demersal fisheries CLARM Studies Reviews 1 1 35 SAGARPA 2011 Anuario estad stico de pesca 2009 Comisi n Nacional de Acuacultura y Pesca Secretar a de Agricultura Ganader a Desarrollo Rural Pesca y Alimentaci n 305 pp http www conapesca sagarpa gob mx wb cona anuano 2011 Shutharshan S and Sivashanthini K 201 1 Growth characteristics of Slender Silver biddies Gerres oblongus Pisces Perciformes from the Jaffna Lagoon Sn Lanka Journal of Fisheries and Aquatic Sciences 6 6 592 603 Sparre P and Venema S C 1995 Introducci n a la evaluaci n de recursos pesqueros tropicales Parte Manual FAO Doc Tec de Pesca 306 1 Roma Taylor C C 1958 Cod growth and temperature Journal du Conseil 23 3 366 370 Taylor C C 1960 Temperature growth and mortality the Pacific cockle Journal du Conseil 26 1 177 124 Von Bertalanffy L 1938 A quantitative theory of organic growth inquiries on growth laws Human Biology 10 2 181 213 Vergara Solana F J Garc a Rodr guez F J and De la Cruz Ag ero J 2013 Interspecific comparison of growth and shape within Diapterus Gerreidae Perciformes using geometric morphometrics Journal of Ichthyology 53 6 445 454 Walford L A 1946 A new graphic method of describing the growth of animals The Biological Bulletin 90 2 141 147 Zar J H 1996 Biostatistical analy
23. sis 3 edn Prentice Hall USA 662 pp Recibido Octubre 04 2013 Inicio de arbitraje Octubre 17 2013 Dictamen para autor Diciembre 02 2013 Aceptado Abril 10 2014 4 AVANCES EN INVESTIGACI N AGROPECUARIA Gallardo Cabello et al Ala 2014 18 2 27 40 IssN 0188789 0
24. vity and p values were calculated by us This paper Cabrera Pe a et al Cabrera Pe a et al Year 2011 1996 1996 Area Colima M xico Costa Rica Costa Rica Method otoliths Allen Tomlinson amp Abramson Loo em 48 61 31 9 323 K 0 135 0 268 0 293 h 0 696 0 046 0 042 Longevity years 21 5 11 1 10 2 p 2 504 2 436 2 485 Besides in the Atlantic ocean in the Lagoon of T rminos Campeche M xico Aya la P rez et al 2001 found values for Diapterus rhombeus of L von Bertalanffy K 0 74 L_ 20 4 cm and t 4 207 The value of K is very high therefore this organism will reach L_ very fast presenting longevity of four years Ayala P rez et al 2001 found in their study that 69 9 of individuals are juveniles therefore this analysis corresponds to the first part of the curve of von Bertalanffy and the catabolic index is higher than the real Had these authors used organisms of a higher age they would have found lower values of K and higher L AVANCES EN INVESTIGACI N AGROPECUARIA 37 Gallardo Cabello et al Ala 2014 18 2 27 40 Issn 0188789 0 Growth of the Shortnose Mojarra Diapterus brevirostris Other studies show also a fast growth in the Gerreidae family during the first 3 years of age K can range between K 0 425 and 0 452 in females and males of Gerres equu lus Iqbal et al 2006 K 0 80 and 0 82 in females and males of Gerres sp Kanak and lachihara 2006 to K 1 0 in Gerres oblongus Shutharshan
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