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| Botero,Julián; Fernando Ospina,José. |
| Con el fin de evaluar la tasa de crecimiento y tolerancia a condiciones de cautiverio, se realizó un cultivo experimental de juveniles silvestres de mero guasa Epinephelus itajara en dos estaciones diferentes en la costa norte de Colombia. En cada una de las estaciones se evaluaron dos grupos diferentes de peces, uno alimentado con una dieta artificial y el otro con pescado fresco. Todos los peces fueron mantenidos en jaulas flotantes durante períodos entre 63 y 89 días. Los resultados mostraron excelentes incrementos diarios de peso individual (6,83 y 12,4 g/día) y tasas específicas de crecimiento (1,4 y 0,96%/día) para los peces alimentados con pescado fresco en las dos estaciones, pero la conversión alimenticia fue demasiado alta e inadecuada (9,01 y... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mero guasa; Epinephelus itajara; Cultivo experimental; Jaulas flotantes; Crecimiento. |
| Ano: 2003 |
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0122-97612003000100002 |
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| Silva-Oliveira,Gláucia C.; Rêgo,Péricles S. do; Schneider,Horacio; Sampaio,Iracilda; Vallinoto,Marcelo. |
| The Goliath grouper ( Epinephelus itajara ) is one of the most endangered species of fish of the subfamily Epinephelinae. Slow to develop and mature, and dependent on mangrove habitats for breeding, the species also suffers intense harvesting, which has reduced drastically in numbers in many areas. To contribute to the understanding of the characteristics of E. itajara populations, we conducted a molecular genetics study of the species, focusing on populations from the Northern Brazilian coast. The mtDNA control region (D-loop) of 116 individuals from five localities (Bragança, Ajuruteua, Parnaíba, Fortaleza and Natal) was analysed, and a sequence of 499 base pairs identified. Analyses of the sequences indicated that genetic variability was generally... |
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Palavras-chave: Goliath grouper; Epinephelus itajara; Control region; MtDNA; Population genetics. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572008000500029 |
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| Roberts Jr, D. |
| Centropomidae and Serranidae, sometimes collectively misnamed "sea basses", are suitable for aquaculture in pens, ponds, and raceways around the tropical and subtropical latitudes of the world. Western Atlantic Ocean species were recently considered for farming. South Florida, Mexico, Central and South America and the Antilles areas of the Caribbean Basin have extensive areas suitable for farming groupers and snook. Principal species of interest are the common snook (Centropomus undecimalis ), the fat snook (C. parallelus ), the Nassau grouper (Epinephelus striatus ), Black seabass (Centropristis striatus ), Gag (Mycteroperca microlepis ), and jewfish (E. itajara ). |
| Tipo: Text |
Palavras-chave: Epinephelus itajara; Epinephelus striatus; Centropomus undecimalis; Pisces; Brood stocks; Culture tanks; Larval development; Fingerlings; Hormones; Induced breeding; Spawning; Tropical fish. |
| Ano: 1989 |
URL: http://archimer.ifremer.fr/doc/1989/acte-1477.pdf |
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| Benevides, E. A.; Vallinoto, M. N. S.; Fetter Filho, A. F. H.; De Souza, J. R. B.; Silva-oliveira, G.; Freitas, M. O.; Ferreira, B. P.; Hostim-silva, M.; Bertoncini, A. A.; Blanchard, Fabian; Torres, R. A.. |
| Epinephelus itajara is one of the marine fish species most threatened for extinction and it is considered to be "critically endangered" by the IUCN. The present study evaluated the genetic diversity of the species and the genetic/evolutionary relationships of its populations along the Atlantic coast of South America. The results indicate relatively reduced genetic variation, re-emphasizing the low adaptive potential of the species. One of the populations presented relatively high degrees of genetic diversity and it is evolutionary isolated from the all other populations. The evidences indicate the existence of two Evolutionarily Significant Units comprising E. itajara in the Atlantic coast of South America and the conservation prospects for the species... |
| Tipo: Text |
Palavras-chave: Epinephelus itajara; ISSRs; Population genetics; Conservation genetics. |
| Ano: 2014 |
URL: https://archimer.ifremer.fr/doc/00230/34100/34465.pdf |
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