Phylum | Chordata |
Class | Actinopteri |
Order | Osteoglossiformes |
Family | Osteoglossidae |
Genus | Osteoglossum |
Species | Osteoglossum bicirrhosum |
Chinese | 雙鬚骨舌魚銀龍魚;骨舌魚 |
Environment | Freshwater; benthopelagic. Tropical; 24°C - 30°C (Ref. 1672) |
Size | Maturity: Lm ? range ? - ? cm Max length : 90.0 cm TL male/unsexed; (Ref. 50892); max. published weight: 6.0 kg (Ref. 72380) |
Short description | Body covered with very big scales; dorsal and anal fins almost fused with the caudal fin; 2 barbels at the extremity of the lower jaw; adult silvery, juvenile with blue glints and a yellow-orange bar (Ref. 12225). |
Biology | Is an omnivore with a tendency to feed on fish at the surface. The superior position of the mouth allows it to capture its prey while swimming from below. Also jumps out of the water to feed on large insects (Coleoptera; Ref. 27548). It is capable of adapting to environments with low oxygen levels (Ref. 12225). |
Main Reference | Ferraris, C.J. Jr., 2003. Osteoglossidae (Arowanas). p. 30. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 50892) |