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Filimanus heptadactyla (Cuvier, 1829) Sevenfinger threadfin |
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photo by
Devarapalli, P. |
| Family: | Polynemidae (Threadfins) | |||
| Max. size: | 38 cm TL (male/unsexed) | |||
| Environment: | demersal; brackish; marine | |||
| Distribution: | Western Pacific: Thailand, Malaysia and Indonesia to Papua New Guinea. All records in Indian Ocean are misidentifications for other species: Filimanus similis, Polydactylus mullani, Polydactylus sextarius (Ref. 57343). | |||
| Diagnosis: | Dorsal spines (total): 9-9; Dorsal soft rays (total): 12-13; Anal spines: 3-3; Anal soft rays: 11-12; Vertebrae: 24-24. 7 pectoral filaments, third or fourth filament, from ventralmost, the longest, not reaching midpoint of anal fin (Ref. 9685). Body brown above and golden below; fins yellow with black at least at margins; pectorals often mostly black (Ref. 9685). | |||
| Biology: | Found on open sandflats and muddy substrates (Ref. 57343). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||