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Siluriformes (Catfishes) >
Claroteidae (Claroteid catfishes) > Claroteinae
Etymology: Chrysichthys: Greek, chrysos = golden + Greek, ichthys = fish (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
ນິເວດວິທະຍາ
; ນ້ຳຈືດ ອາໄສຢູ່ໃກ້ໜ້າດິນໃຕ້ພື້ນທ້ອງນ້ຳ. Tropical; 6°N - 4°N
Africa: New Calabar and Imo rivers in Nigeria (Ref. 57126) and the Ntem in Cameroon (Ref. 7324, 81642). Report from the Cross (Ref. 13331) unconfirmed in Ref. 57126 or 81642.
ຂະໜາດ / ນ້ຳໜັກ / Age
Maturity: Lm ? range ? - ? cm
Max length : 9.1 cm SL ຕົວຜູ້/ບໍ່ມີເພດ; (Ref. 57126)
Short description
ສະລີລະວິທະຍາ | ການວັດແທກຮູບຮ່າງລັກສະນະພາຍນອກຂອງດິນ,ສັດ,ປາ…
ຄີ (ໜາມ)ແຂງຢູ່ຫຼັງປາ (ທັງໝົດ): 2; ຄີຫຼັງຂອງປາ (ຄີອ່ອນ) (ທັງໝົດ): 5-7; ຄີກົ້ນຂອງປາ: 12 - 13. Diagnosis: broad premaxillary tooth plate (width 37.8-44.9% of head length); very broad mouth (50.3-59.5% of head length) as compared to snout length (which attains only 28.9-35.3% of head length)(Ref. 57126, 81642). Snout length less than 75% mouth width (Ref. 81642). Palatine dentition strongly developed even in juveniles; nasal barbels long (14.5-26.6% of head length)(Ref. 57126, 81642). Gill rakers long and smooth (Ref. 57126). Dorsal fin spine short, 12-17% SL, more than six times in SL; dorsal fin base short, 18-23% SL (Ref. 81642).
Life cycle and mating behavior
ການຈະເລີນເຕັມໄວ | ການສືບພັນ | ການວາງໄຂ່ | ໄຂ່ | ຄວາມດົກຂອງໄຂ່ປາ | ຕົວອ່ອນ
Risch, L. and E.J. Vreven, 2007. Claroteinae. p. 607-629. In M.L.J. Stiassny, G.G. Teugels and C.D. Hopkins (eds.) The fresh and brackish water fishes of Lower Guinea, West-Central Africa. Volume I. Collection Faune et Flore tropicales 42. Institut de Recherche pour le Développement, Paris, France, Muséum National d’Histoire Naturelle, Paris, France, and Musée Royal de l’Afrique Centrale, Tervuren, Belgium. 800 pp. (Ref. 74659)
IUCN Red List Status (Ref. 130435)
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