Centropomus atridorsalis

Description

Family Centropomidae

Distribution: Atlantic, Indian, and Pacific. Marine (often brackish ); some in freshwater . Lateral line extends onto caudal peduncle, reaching posterior margin of fin (except in one species); some species with 3 rows on the tail. Pelvic axis usually with scaly process . Dorsal fin bipartite (either deeply notched or with a distinct gap ); with 7 or 8 spines on the first part; 1 spine and 8-11 soft rays on the second. Anal fin 3 spines; 6- 9 soft rays. Pelvic fin 1 spine, 5 soft rays. Caudal fin rounded , truncate or forked . Branchiostegal 7 rays . Perch-like fishes with concave snout profiles . Maximum length about 2 m. Important food fishes.The family Centropomidae belongs to the Class Actinopterygii (ray-finned fishes) and the Order Perciformes. It contains 3 genera and 22 species. It may be found in Marine, Brackish, and Freshwater environments and is primarily Marine. Members of this family are not used in the aquarium trade. Reproductively, most members of this family are nonguarders. The main mode of swimming of adult fish in this family is subcarangiform. Compared with other fish, the activity level of this family tends to be normal. Members of this family have been dated back to the Cretaceous period. This family may be found from 35° n to 30° s and 115° w to 153° e. Etymology of this family name : Greek, kentron = thorn, sting + Greek, pomas, -atos = cover

Taxonomy

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Domain: Eukaryota () - Whittaker & Margulis,1978
- Kingdom: Animalia () - Linnaeus, 1758 - animals
  - Subkingdom: Bilateria () - (Hatschek, 1888) Cavalier-Smith, 1983
    - Branch: Deuterostomia () - Grobben, 1908
      - Infrakingdom: Chordonia () - (Haeckel, 1874) Cavalier-Smith, 1998
        Phylum: Chordata () - Bateson, 1885 - Chordates
        Subphylum: Vertebrata () - Cuvier, 1812 - Vertebrates
        Infraphylum: Gnathostomata () - Auct. - Jawed Vertebrates
        Superclass: Osteichthyes () - Huxley, 1880 - Bony Fishes
        Class: Actinopterygii () - Huxley, 1880 - Ray-Finned Fishes
        Subclass: Actinopterygii () - Ray-Finned Fishes
        Infraclass: Actinopteri ()
        Cohort: Clupeocephala ()
        Superorder: Acanthopterygii ()
        Order: Perciformes () - �
        Suborder: Percoidei () - �
        Family: Centropomidae () - Snooks
        Genus: Centropomus ()
        Specific name: atridorsalis
        Scientific name: - Centropomus atridorsalis