Nuevo registro de talla, datos morfométricos y merísticos y relación longitud-peso para la especie Haemulon sexfasciatum Gill 1862 (Haemulidae: Perciformes)
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Angulo Sibaja, Arturo
Hampl, Federico
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Abstract
Haemulon sexfasciatum es una especie de importancia ecológica y pesquera, ampliamente distribuida en el Pacífico Oriental Tropical. En la presente contribución reportamos un nuevo registro de talla para esta especie, con base en un ejemplar capturado en Bahía Culebra, Pacífico Norte de Costa Rica, en setiembre de 2020, así como datos morfométricos y merísticos adicionales, obtenidos a partir de material museográfico, complementando descripciones previas. Proveemos también datos de talla-peso, generados a partir de material fresco y preservado, como base para la realización de cálculos/estimaciones de biomasa y factor de condición, con implicaciones directas en el establecimiento de medidas de manejo, así como en acciones de conservación a escala local y regional. Haemulon sexfasciatum es una especie de crecimiento isométrico, dada la relación (ecuación) de crecimiento: peso = 0.0227 * longitud estándar3.0400 (r2 = 0.99), que alcanza una talla máxima de alrededor de 60 cm de longitud estándar y cerca de 71 cm de longitud total.
Haemulon sexfasciatum is an ecologically and commercially important fish species, widely distributed in the Tropical Eastern Pacific. In this paper report a newis reported, based on a single specimen captured in Bahía Culebra, on the Northern Pacific coast of Costa Rica, in September 2020, as well morphometric and meristic data obtained from museum specimens, complementing previous descriptions. We also provide length-weight data generated from fresh and preserved specimens as a basis for calculating/estimating biomass and condition, with direct implications for the establishment of management measures, as well as conservation activities at both local and regional scales. Haemulon sexfasciatum has isometric growth, determined by the following equation: Weight = 0.0227* Standard Length 3.0400 (r2 = 0.99), with a maximum standard length of around 60 cm and a maximum total length of about 71 cm.
Haemulon sexfasciatum is an ecologically and commercially important fish species, widely distributed in the Tropical Eastern Pacific. In this paper report a newis reported, based on a single specimen captured in Bahía Culebra, on the Northern Pacific coast of Costa Rica, in September 2020, as well morphometric and meristic data obtained from museum specimens, complementing previous descriptions. We also provide length-weight data generated from fresh and preserved specimens as a basis for calculating/estimating biomass and condition, with direct implications for the establishment of management measures, as well as conservation activities at both local and regional scales. Haemulon sexfasciatum has isometric growth, determined by the following equation: Weight = 0.0227* Standard Length 3.0400 (r2 = 0.99), with a maximum standard length of around 60 cm and a maximum total length of about 71 cm.
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Pez marino, Roncador almejero, Pacífico Oriental Tropical, Costa Rica, pesquerías, Marine fish, Greybar grunt, Tropical Eastern Pacific, Costa Rica, fisheries
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