Abstract
Gymnothorax phalarus se describe con base en 23 individuos de colecciones hechas por redes de arrastre y dragas en la costa Pacífica de Costa Rica. La especie nueva es casi siempre sintópica con la especie similar, Gymnothorax equatorialis. La nueva morena se distingue por su patrón de puntos blancos, dientes ligeramente aserrados y uniseriales en adultos, cuatro poros infraorbitales y MV F (Fórmula de V értebras) de 6-58-140. México a Perú.
Highlights
The moray eel fauna of the Pacific coast of Costa Rica is abundant and diverse
19 valid species of morays have been recorded from nearshore rocky habitats and another two species by trawling in deeper waters over soft substrata
AH measurements are expressed in millimeters and length is total length (TL) throughout
Summary
The moray eel fauna of the Pacific coast of Costa Rica is abundant and diverse. To date, 19 valid species of morays have been recorded from nearshore rocky habitats and another two species by trawling in deeper waters over soft substrata. Trawl samples on the Pacific coast of Costa Rica routinely yield fair numbers of the white-spotted Gymnothorax (Neomuraena) equatorialis (Hildebrand) and a similar less common, undescribed species (Fig. 1). Holotype: LACM 47317-1, an adult female of 565 mm total length (TL),W side of Isla del Caño off Osa Peninsula, Costa Rica.
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