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Pempheris familia Koeda & Motomura, 2017 Ogasawara sweeper |
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photo by
Motomura, H. |
| Family: | Pempheridae (Sweepers) | |||
| Max. size: | 15.31 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; marine; depth range 10 - 16 m | |||
| Distribution: | Northwest Pacific: Japan (Ogasawara Is.). | |||
| Diagnosis: | Dorsal spines (total): 6-6; Dorsal soft rays (total): 9-10; Anal spines: 3-3; Anal soft rays: 35-36; Vertebrae: 25-25. This species is distinguished by the following characters: lateral and ventral body scales are strongly ctenoid, adherent, with distinct basal and distal portions; abdomen cross-sectional outline U-shaped; a large ventral fenestra between coracoid and cleithrum; dorsal-fin soft rays 10; anal-fin soft rays 35-36; pored lateral-line scales 84-88; scale rows above lateral line 14-15; predorsal scales 50-55; circumpeduncular scales 26. Colouration: body orange copper; blackish blotch on fins is limited to tip of dorsal, anal and caudal fins; a distinct blackish blotch on pectoral-fin base (Ref. 123196). | |||
| Biology: | Schools in underwater rock recesses in groups of up to ca. 10 individuals, associated with very large numbers of Pempheris schwenkii being observed in the same rock recesses (Ref. 123196). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||