Nemanthias dispar (Herre, 1955)
Peach fairy basslet
photo by Malaer, P.

Family:  Anthiadidae (Fairy basslets or Streamer basses)
Max. size:  9.5 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 0 - 18 m
Distribution:  Pacific Ocean: Christmas Island in the eastern Indian Ocean to the Line Islands, north to the Yaeyama Islands, south to the Great Barrier Reef, Fiji and Samoa. Replaced by Pseudanthias ignitus in the Indian Ocean (Ref. 37816).
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 16-18; Anal spines: 3-3; Anal soft rays: 7-8. Male displays a bright red dorsal fin. Ventral fins greatly extended. Female orange with yellowish tail and a pink line from the tip of the snout angling down, passing through the lower part of the eye (Ref. 48635). Description: Characterized by having greatest depth of body 2.7-3.2 in SL; presence of fleshy protuberance at front of upper lip in males; slightly prolonged second dorsal spine of male; deeply forked to lunate caudal fin, usually with filamentous tips in male; elongate filament at pelvic fins in male (Ref. 90102).
Biology:  Found at the upper-edge of steep outer reef slopes (Ref. 9710), with moderate currents (Ref. 48635). Occurs in large aggregations (Ref. 37816), of mixed sexes when feeding in currents sweeping the reef (Ref. 48635). Minimum depth reported taken from Ref. 128797.
IUCN Red List Status: Least Concern (LC); Date assessed: 11 March 2015 Ref. (130435)
Threat to humans:  harmless


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