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Identificación del ostión americano Crassostrea virginica (Mollusca:Bivalvia: Ostreidae) como recurso natural en las Antillas Mayores: Cuba.

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Author
Betanzos-Vega, Abel
Lodeiros, César
Espinosa-Sáez, José
Mazón-Suástegui, José M.
Date
2016

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Alternative Title
Identification of the American oyster Crassostrea virginica (Mollusca: Bivalvia: Ostreidae) as anatural resource in the Greater Antilles: Cuba.
Abstract
El ostión de mangle Crassostrea rhizophorae (Guilding, 1828) ha sido considerado la única especie de ostión nativo que se comercializa enCuba. Sin embargo, se han encontrando agregaciones de «ostión de fondo» en las cuencas de los ríos Cuyaguateje y Cauto de Cuba, con morfologíay hábitat diferentes a C. rhizophorae, cuya extracción contribuye a la producción ostrícola nacional. El presente estudio tuvo como objetivo lacaracterización fenotípica de ambos ostiones en 3 zonas de estas cuencas, mostrando evidencias de dicotomías fenotípicas y de hábitat entre ambosrecursos pesqueros, mostrando a Crassostrea virginica (Gmelin, 1791) como la especie denominada «ostión de fondo». Esta mostró una talla(promedio 61.1 ± 23.46 mm, máxima 145 mm) superior al 65% de la del ostión de mangle C. rhizophorae (promedio 37.2 ± 11.95 mm, máxima87 mm), así como un mayor rendimiento (4.5-10.2% de carne con respecto al peso total) que las poblaciones del ostión de mangle (3.9 a 7.1%). Esteestudio registra por primera vez la especie C. virginica como recurso natural en explotación comercial en Cuba y su mayor rendimiento evidenciaun potencial como especie cultivable en las Antillas Mayores.© 2016 Universidad Nacional Autónoma de México, Instituto de Biología. Este es un artículo Open Access bajo la licencia CC BY-NC-ND(http://creativecommons.org/licenses/by-nc-nd/4.0/).
The mangrove oyster Crassostrea rhizophorae (Guilding, 1828) is the only native species of oyster marketed in Cuba. However, oyster beds(known locally as “bottom oyster”) were found in the mouth of the Cuyaguateje and Cauto Rivers, with a different morphology and occupyinga different habitat with respect to C. rhizophorae. These also contribute to oyster production in Cuba. We addressed studies for phenotypiccharacterization of both oysters found in 3 areas surrounding these 2 rivers, finding evidence of phenotypic and habitat dichotomies of thebottom oyster from the mangrove oyster. We conclude that Crassostrea virginica (Gmelin, 1791) is the species called “bottom-oyster”. Its averagesize is 61.1 ± 23.46 mm and reaches a maximum length of 145 mm), which is 65% larger than the mangrove oyster C. rhizophorae (average37.2 ± 11.95 mm, maximum 87 mm) and has higher meat yield (4.5-10.2% meat of total weight) than populations of the mangrove oyster (3.9 to7.1%). This study is the first report of C. virginica available as a natural resource for commercial exploitation in Cuba. Its excellent performancerecommends it for cultivation in the Greater Antilles.
Journal
Revista Mexicana de Biodiversidad
Volume
87
Page Range
pp. 1342-1347
DOI
http://dx.doi.org/10.1016/j.rmb.2016.09.005
URI
http://hdl.handle.net/1834/16851
ae974a485f413a2113503eed53cd6c53
http://dx.doi.org/10.1016/j.rmb.2016.09.005
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