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Ostorhinchus melanoproctus (Fraser & Randall, 1976) Blackvent cardinalfish |
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photo by
Randall, J.E. |
| Family: | Apogonidae (Cardinalfishes), subfamily: Apogoninae | |||
| Max. size: | 4 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 15 - 50 m | |||
| Distribution: | Indo-West Pacific: Philippines (Ref. 90102), Palau (Ref. 37816), Indonesia (Ref. 47567), Solomon Islands (Ref. 10478) and Papua New Guinea (Ref. 6192). | |||
| Diagnosis: | Dorsal spines (total): 7-8; Dorsal soft rays (total): 9-9; Anal spines: 2-2; Anal soft rays: 8-9. Description: Characterized by semi-transparent pinkish body color; midlateral stripe red-brown; middle of caudal fin base with reddish spot and prominent white spot above; greatest depth of body 3.0-3.8 in SL (Ref. 90102). | |||
| Biology: | Occurs in aggregations in caves in vertical walls (Ref. 37816). Also found in steep outer reef slopes in 15-50 m (Ref 90102). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 05 February 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||