Abstract
Osteological development of the vertebral column, caudal complex and median fins in larvae of the bullseye puffer fish, Sphoeroides annulatus, were studied using specimens cleared and double stained for bone and cartilage. The first cartilaginous structures appeared 10 days (4.2 mm NL) after hatching and by day 28 (14.9 mm TL) most of the bone elements had already formed. Sphoeroides annulatus exhibited fusion of bone elements, the same as other Tetradontiformes, one of the most evolved teleosts.
Highlights
El botete diana Sphoeroides annulatus (Jenyns, 1842), pertenece al orden Tetraodontiformes el cual agrupa 435 especies (Nelson et al 2016) que habitan la mayoría en ecosistemas marinos y algunas penetran aguas salobres y dulceacuícolas
A) 1.7 mm NL, B) 4.2 mm NL, C) 6.5 mm NL, D) 9.3 mm NL, E) 11.6 mm TL and F) 14.9 mm SL
Estructuras osteológicas que componen la columna vertebral, complejo caudal y aletas medias de S. annulatus / Osteological structures forming vertebral column, caudal complex and median fins of S. annulatus
Summary
Desarrollo osteológico de la columna vertebral, complejo caudal y aletas medias del botete diana Sphoeroides annulatus (Tetraodontiformes: Tetraodontidae). Osteological development of the vertebral column, caudal complex and median fins of the puffer fish Sphoeroides annulatus (Tetraodontiformes: Tetraodontidae). Abstract.- Osteological development of the vertebral column, caudal complex and median fins in larvae of the bullseye puffer fish, Sphoeroides annulatus, were studied using specimens cleared and double stained for bone and cartilage. El presente trabajo tuvo como objetivo describir el desarrollo de los elementos que conforman la columna vertebral, el complejo caudal y las aletas medias de S. annulatus durante la etapa larval, para generar una herramienta de referencia de apoyo en el cultivo de esta especie
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