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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: Cromeria: Perhaps related to the prehistoric Stone Age in eastern England; for the stone implements found in Cromer but needs more data.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
Africa: Upper White Nile basin in South Sudan (Ref. 28714, 57474) and Ethiopia (Ref. 58460).
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 2.9 cm SL macho/indeterminado; (Ref. 81276)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 9 - 10; Raios anais moles: 9 - 10; Vértebras: 41 - 45. Diagnosis: pelvic fin origin well in front of anterior base of dorsal fin; preorbital stripe absent; caudal peduncle depth 10.1-12.9% of SL; dorsal precaudal fin fold more pronounced, reaching base of dorsal fin; 6-7 pectoral fin rays; 6 (rarely 7) pelvic fin rays; 3 (rarely 2) supernumerary rays in anal fin; 7 dorsal fin pterygiophores; 8+8 principal caudal fin rays; cephalic lateral line canals and supraorbital bone absent; parasphenoid slender, without foramina for internal carotid arteries; neural spine of 2nd vertebra long and slender, at least 2 times length of its vertebral centrum and similar in shape to subsequent neural spines (Ref. 57474).
Life cycle and mating behavior
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Moritz, T., R. Britz and K.E. Linsenmair, 2006. Cromeria nilotica and C. occidentalis, two valid species of the African freshwater fish family Kneriidae (Teleostei: Gonorhynchiformes). Ichthyol. Explor. Freshwat. 17(1):65-72. (Ref. 57474)
Categoria na Lista Vermelha da IUCN (Ref. 130435)
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