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Phractolaemidae

Family Phractolaemidae - Hingemouths Order: Gonorynchiformes Class: Actinopterygii (ray-finned fishes) No. of Genera: 1 No. of Species: 1 Environment: Fresh:  Yes      Brackish:  No      Marine:  No Aquarium: none First Fossil Record:               Ref.:      Remark: Distribution: tropical Africa. Body elongate. Scales cycloid. Superior mouth. Upper jaw protrusible. Jaws bearing only 2 teeth at the articulation of the lower jaw. Pelvic fin rays 6. About 6 rays in dorsal and anal fins. Capable of airbreathing by means of the numerous small alveoli in the swim bladder. About 18 cm maximum length. Etymology: Greek, phraktos, phasso = to fence + Greek, laimos = throat, gullet ( Ref. 45335). Division: Primary freshwater Reproductive guild: nonguarders Main Ref.: Nelson, J.S..1984 Coordinator: Show species | Nominal species list for Phractolaemidae | CAS specimen photos | References

1 2 3 4 5 Категория: Семейства рыб | Добавил: BOOOOOO (17.10.2010)

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