Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific
Stellifer melanocheir (Eigenmann, 1918) fish is abundant in the bycatch of artisanal shallow water shrimp fisheries. A total of 751 individuals (540 females, 187 males and 24 undetermined) were collected between September 2011 and April 2012 by artisanal shallow water shrimp fisheries at Golfo de Tortugas, Colombia, to study growth, reproduction and feeding habits of the species. The von Bertalanffy growth parameters Lt = 17.8(1-e[−0.62(t+0.34)]) showed that S. melanocheir exhibits an allometrically positive growth, faster than some congeneric species. The females reach the mean size of maturity (L50) at 11.7 cm and the males at 10.9 cm. It is continuously reproducing with a maximum activity between September and November and another minor reproductive pulse in March, probably related with periods of increased precipitation. The diet is similar during its juvenile and adult stage, with a narrow trophic spectrum, carcinophagus, with benthopelagic habits. Its main prey are copepods with occasional occurrence of shrimp, which increase in the largest individuals.
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Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología
2020
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oai:www.revistas.unal.edu.co:article-775402020-04-30T17:05:08Z Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific Crecimiento, reproducción y hábitos alimentarios de Stellifer melanocheir (Sciaenidae) en el Golfo de Tortugas, Pacífico colombiano Muriel Hoyos, Felipe Carmona Guerra, Andrés Felipe Artisanal fishing bycatch carcinophagus diet maturity Carcinófago dieta fauna acompañante madurez pesca artesanal Stellifer melanocheir (Eigenmann, 1918) fish is abundant in the bycatch of artisanal shallow water shrimp fisheries. A total of 751 individuals (540 females, 187 males and 24 undetermined) were collected between September 2011 and April 2012 by artisanal shallow water shrimp fisheries at Golfo de Tortugas, Colombia, to study growth, reproduction and feeding habits of the species. The von Bertalanffy growth parameters Lt = 17.8(1-e[−0.62(t+0.34)]) showed that S. melanocheir exhibits an allometrically positive growth, faster than some congeneric species. The females reach the mean size of maturity (L50) at 11.7 cm and the males at 10.9 cm. It is continuously reproducing with a maximum activity between September and November and another minor reproductive pulse in March, probably related with periods of increased precipitation. The diet is similar during its juvenile and adult stage, with a narrow trophic spectrum, carcinophagus, with benthopelagic habits. Its main prey are copepods with occasional occurrence of shrimp, which increase in the largest individuals. Stellifer melanocheir (Eigenmann, 1918) es una especie de pez abundante en la fauna acompañante de la pesca artesanal de camarón de aguas someras. Con el objetivo de estudiar el crecimiento la reproducción y hábitos alimentarios de la especie, se recolectaron 751 individuos (540 hembras, 187 machos y 24 indeterminados) entre septiembre de 2011 y abril de 2012 de la pesca artesanal de camarón de aguas someras del Golfo de Tortugas, Colombia. Los parámetros de crecimiento representados por la ecuación de Von Bertalanffy Lt = 17,8(1-e[−0,62(t+0,34)]) mostraron que la especie presentó un crecimiento alométricamente positivo, más rápido que algunas especies congéneres. Las hembras alcanzan la talla media de madurez (L50) a los 11,7 cm y los machos a 10,9 cm. Se reproduce continuamente con un pico entre septiembre y noviembre, y otro menor en marzo, probablemente aprovechando periodos con aumento de precipitación. La dieta de la especie es similar durante su etapa juvenil y adulta, con un espectro trófico estrecho, carcinófago, con hábitos bentopelágicos. Su principal presa son los copépodos con capturas ocasionales de camarones, las cuales aumentan en los individuos de mayor tamaño. Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología 2020-05-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.unal.edu.co/index.php/actabiol/article/view/77540 10.15446/abc.v25n2.77540 Acta Biológica Colombiana; Vol. 25 No. 2 (2020); 210 - 218 Acta Biológica Colombiana; Vol. 25 Núm. 2 (2020); 210 - 218 1900-1649 0120-548X spa https://revistas.unal.edu.co/index.php/actabiol/article/view/77540/pdf Derechos de autor 2020 Acta Biológica Colombiana https://creativecommons.org/licenses/by-nc-sa/4.0 |
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| language |
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Digital |
| author |
Muriel Hoyos, Felipe Carmona Guerra, Andrés Felipe |
| spellingShingle |
Muriel Hoyos, Felipe Carmona Guerra, Andrés Felipe Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| author_facet |
Muriel Hoyos, Felipe Carmona Guerra, Andrés Felipe |
| author_sort |
Muriel Hoyos, Felipe |
| title |
Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| title_short |
Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| title_full |
Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| title_fullStr |
Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| title_full_unstemmed |
Growth, reproduction and food habits of Stellifer melanocheir (Sciaenidae) in Golfo de Tortugas, Colombian Pacific |
| title_sort |
growth, reproduction and food habits of stellifer melanocheir (sciaenidae) in golfo de tortugas, colombian pacific |
| description |
Stellifer melanocheir (Eigenmann, 1918) fish is abundant in the bycatch of artisanal shallow water shrimp fisheries. A total of 751 individuals (540 females, 187 males and 24 undetermined) were collected between September 2011 and April 2012 by artisanal shallow water shrimp fisheries at Golfo de Tortugas, Colombia, to study growth, reproduction and feeding habits of the species. The von Bertalanffy growth parameters Lt = 17.8(1-e[−0.62(t+0.34)]) showed that S. melanocheir exhibits an allometrically positive growth, faster than some congeneric species. The females reach the mean size of maturity (L50) at 11.7 cm and the males at 10.9 cm. It is continuously reproducing with a maximum activity between September and November and another minor reproductive pulse in March, probably related with periods of increased precipitation. The diet is similar during its juvenile and adult stage, with a narrow trophic spectrum, carcinophagus, with benthopelagic habits. Its main prey are copepods with occasional occurrence of shrimp, which increase in the largest individuals. |
| publisher |
Universidad Nacional de Colombia - Sede Bogotá - Facultad de Ciencias - Departamento de Biología |
| publishDate |
2020 |
| url |
https://revistas.unal.edu.co/index.php/actabiol/article/view/77540 |
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