Opistognathus triops
Opistognathus triops Smith-Vaniz, 2023
False-eye jawfish

Family:  Opistognathidae (Jawfishes)
Max. size:  3.96 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 12 - 32 m
Distribution:  Western Central Pacific: Vanuatu and Tonga.
Diagnosis:  Dorsal spines (total): 11-11; Dorsal soft rays (total): 17-18; Anal spines: 2-2; Anal soft rays: 17-17; Vertebrae: 22-23. This species is distinguished from its congeners by the following set of characters: rigid upper jaw with no flexible lamina posteriorly, extending 0.6-0.7 eye diameters behind posterior margin of orbit; infraorbitals moderately slender, 2nd and 3rd infraorbitals relatively large, with large sensory canal openings, 3rd infraorbital with moderate suborbital shelf; D XI, 17 or 18; A II, 17; vertebrae 10+22 or 23; scale rows in horizontal series about 45-49, scales absent anterolaterally forward of verticals from segmented dorsal-fin rays 4-5; vomerine teeth 2 or 3; spinous dorsal fin with an ocellus between spines 2-7 (Ref. 128653).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 17 September 2024 Ref. (130435)
Threat to humans:  harmless


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