Trigonectes Rubromarginatus
Costa, 1990
| Known As | : | |
| Genus | : | Trigonectes |
| Species | : | Rubromarginatus |
| Classifications | : | Actinopterygii | Cyprinodontiformes | Rivulidae |
Common Names:
紅緣三角溪鮰, 红缘三角溪鮰, Saumahuntukala
紅緣三角溪鮰, 红缘三角溪鮰, Saumahuntukala
Occurrence Overview (GBIF) :
Information :
| Main reference | : | Costa, W.J.E.M. 1990. (Ref. 26656) |
| Size / Weight / Age | : | Max length : 12.0 cm TL male/unsexed; (Ref. 27139) |
| Environment | : | Benthopelagic; non-migratory; freshwater |
| Climate / Range | : | Tropical; 23°C - 27°C (Ref. 13614) |
| Distribution | : | South America: Araguaia River basin, Brazil. |
| Short description | : | Dorsal soft rays (total): 10 - 14; Anal soft rays: 16 - 18. Distinguished from other species of the genus, except T. strigabundus, by having straight mouth cleft. Differs from T. strigabundus and all other species of the genus by the elongated pelvic fin of the males, whose tip is reaching to the base of 11th to 15th anal rays and the presence of a bright red stripe along the ventral margin of the male caudal fin. Seems to differ from T. strigabundus by having a larger size (Ref. 26656). |
| Biology | : | Bottom spawner, 8 months incubation (Ref. 27139). |
| IUCN Red List Status | : | Not Evaluated |
| Human uses | : |
Similar Species :
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Further Reading :