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Gymnapogon urospilotus Lachner, 1953 B-spot cardinalfish |
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photo by
Williams, J.T. |
| Family: | Apogonidae (Cardinalfishes), subfamily: Pseudamiinae | |||
| Max. size: | 2.7 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 0 - 18 m | |||
| Distribution: | Indo-Pacific: Taiwan and Ryukyu Islands south to Australia eastward to French Polynesia (Society Islands); throughout Micronesia. | |||
| Diagnosis: | Dorsal spines (total): 7-7; Dorsal soft rays (total): 9-9; Anal spines: 2-2; Anal soft rays: 9-10. Distinct dark B-shaped spot on caudal fin base (Ref. 37816). Description: Characterized by semi-transparent body with readily visible dark vertebral column; side of snout with black spot; caudal fin base with large double black spot; absence of scales on head and body; large spine at middle of preopercular margin; greatest depth of body 3.5-4.5 in SL (Ref. 90102). | |||
| Biology: | Occurs around coral reefs, schooling with young of other apogonids (Ref. 559). Nocturnal species (Ref. 7300). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 05 February 2021 Ref. (130435) | |||
| Threat to humans: | harmless | |||