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Thryssa polybranchialis Wongratana, 1983 Humphead thryssa |
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photo by
Randall, J.E. |
| Family: | Engraulidae (Anchovies), subfamily: Coiliinae | |||
| Max. size: | 19.1 cm TL (male/unsexed) | |||
| Environment: | pelagic-neritic; marine | |||
| Distribution: | Indian Ocean: eastern and western coasts of India. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 35-39. Belly with 15 to 17 + 9 or 10 = 25 to 27 keeled scutes from isthmus to anus. A distinct hump at nape; tip of snout above upper rim of eye. Maxilla short, not quite or only just reaching to edge of gill cover; first supra-maxilla minute, oval. A dark blotch behind upper part of gill opening. | |||
| Biology: | Presumably schooling. Undoubtedly confused with other species in the past. More data needed. | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 12 February 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||