Zoology Museum

Post Graduates and Research Department of Zoology, V.O. Chidambaram College, Tuticorin 628 008 Tamil Nadu

Pi77 Ostracion

 

Pi77    Ostracion.

Kingdom:   Animalia

Phylum:       Chordata

Subphylum: Vertebrata

Superclass:  Actinopteri

Class:           Teleostei

Order:         Tetraodontiformes

Family:       Ostraciidae

Genus:       Ostracion

 

Description:

Body divided into head, trunk and tail. Head contains mouth, nostril and eyes. Body is roughly triangular and encased in a carapace, composed of large, juxtaposed and hexagonal bony plates. Carapace is closed behind the anal fin. Body divided into head, trunk and tail. Head contains mouth, nostril and eyes. Color of the body is olive brown with dark bands. A light blue spot is present in the Centre of each scute or bony plate. Ventral side contains ventral spines. A large dorsal spine present. Dorsal fin and anal fin with anal spines present. Pectoral fin is enlarged and helps to form water current. Gill opening near pectoral fin. Caudal fin acts as a rudder during rapid swimming.

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