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Opistognathus trimaculatus Hiramatsu & Endo, 2013 Threespot jawfish |
| Family: | Opistognathidae (Jawfishes) | |||
| Max. size: | 7.2 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 120 - 250 m | |||
| Distribution: | Northwest Pacific: Japan. | |||
| Diagnosis: | Dorsal spines (total): 11-12; Dorsal soft rays (total): 10-10; Anal spines: 2-2; Anal soft rays: 10-10; Vertebrae: 26-26. This species is distinguished by the following characters: a rigid upper jaw lacking a flexible lamina posteriorly, extending about 0.7 eye diameter behind posterior margin of orbit; D XI-XII,10; A II,10; vertebrae 10+16; body with about 47-50 scale rows in horizontal series; gill rakers 11-13 + 21-23 = 34; the dorsal fin with 4 dark blotches on proximal half to two-thirds of fin that are superimposed on a light brown stripe extending entire length of fin, the first blotch between bases of dorsal-fin spines 2-3 or 4-5 is small and faint in contrast to the other three which are much larger, darker and oval; when alive, anterior half of caudal fin with broad white band and posterior half yellow (Ref. 128653). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 17 September 2024 Ref. (130435) | |||
| Threat to humans: | harmless | |||