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Plesiops gracilis Mooi & Randall, 1991 Threadfin longfin |
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photo by
Winterbottom, R. |
| Family: | Plesiopidae (Roundheads), subfamily: Plesiopinae | |||
| Max. size: | 7 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range 0 - 16 m | |||
| Distribution: | Western Pacific: Indo-Australian Archipelago. Closely related to Plesiops cephalotaenia from the Philippines and the Ryukyu Islands to the Solomon Islands (Ref. 37816). | |||
| Diagnosis: | Dorsal spines (total): 11-12; Dorsal soft rays (total): 7-8; Anal spines: 3-3; Anal soft rays: 8-8. Has nine pale stripes on the body (Ref. 37816). Description: Characterized by brownish grey color; cheek and operculum with large orange patch; caudal fin mostly covered with orange color; orange tips of dorsal fin and blue submarginal stripe; juvenile similar but lacks orange color on head; tubed lateral line scales 19-20+8-13; midlateral scale series 23-25; predorsal scales 9-11; cheek scales rows 4-5 (Ref. 90102). | |||
| Biology: | Found usually on reefs in less than 8 m (Ref. 27772). Eggs are guarded by the male parent (Ref. 205). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||