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Eleutheronema rhadinum (Jordan & Evermann, 1902) East Asian fourfinger threadfin |
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photo by
The Fish Database of Taiwan |
| Family: | Polynemidae (Threadfins) | |||
| Max. size: | 73.9 cm SL (male/unsexed) | |||
| Environment: | pelagic-neritic; brackish; marine; depth range 5 - 8 m | |||
| Distribution: | Northwest Pacific: China, Japan and Viet Nam. Not reported from the vicinity of oceanic islands. | |||
| Diagnosis: | Dorsal spines (total): 9-9; Dorsal soft rays (total): 13-15; Anal spines: 3-3; Anal soft rays: 14-16. Pectoral filaments 4; fin membranes black. Vomer with deciduous tooth plates on both sides. Posterior part of maxilla deep, 3% of SL. Short tooth plate extension onto lateral surface of lower jaw, 8-9% SL (Ref. 41639). | |||
| Biology: | Found in shallow coastal waters and estuaries (Ref. 125475). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||