Pseudanthias fasciatus (Kamohara, 1955)
One-stripe anthias
photo by Randall, J.E.

Family:  Anthiadidae (Fairy basslets or Streamer basses)
Max. size:  21 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 20 - 150 m
Distribution:  Indo-Pacific: Red Sea to southern Japan south to Great Barrier Reef. Recently reported from Tonga (Ref. 53797).
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 16-17; Anal spines: 3-3; Anal soft rays: 7-7. Juveniles of this species lack the red lateral stripe (Ref. 37816). Description: Characterized by yellowish-orange color with lavender-edged yellow stripe from snout to lower operculum; prominent white-edged red stripe from rear margin of operculum to middle of caudal-fin base; fleshy protuberance at front of upper lip in male; usually fourth dorsal spine longest, not prolonged; lunate caudal fin with filamentous tips; pelvic fins with filamentous tips (Ref. 90102).
Biology:  Found in or near caves and ledges of seaward reefs (Ref. 9710, 48635). Adults swim upside-down (Ref. 37816, 48635). Solitary or in small groups (Ref 90102).
IUCN Red List Status: Least Concern (LC); Date assessed: 10 June 2022 Ref. (130435)
Threat to humans:  harmless


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