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Chromis oligactis Prokofiev & Astakhov, 2023 |
| Family: | Pomacentridae (Damselfishes), subfamily: Chrominae | |||
| Max. size: | 7.9 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 30 - 40 m, non-migratory | |||
| Distribution: | Western Central Pacific: Vietnam. | |||
| Diagnosis: | Dorsal spines (total): 14-14; Dorsal soft rays (total): 10-10; Anal spines: 2-2; Anal soft rays: 10-10; Vertebrae: 26-26. This species is distinguished from its congeners by the following set of characters: 14 spinous rays in D, 10 branched rays in D and A, 16-17 rays in P; 3 spiniform procurrent rays in the upper and lower lobe of C; 26 gill-rakers in the outer row on the first arch; 19 perforated scales in the anterior lateral line; maximum body depth, which fits 2.2 times in SL; a small dark spot at the base of P, without prominent light or black areas or a contrasting pattern on the body in preserved specimens (Ref. 137825). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||