Dendrochirus brachypterus (Cuvier, 1829)
Dwarf lionfish
Dendrochirus brachypterus
photo by Bailly, N.

Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Pteroinae
Max. size:  17 cm TL (male/unsexed)
Environment:  reef-associated; marine; depth range 2 - 80 m
Distribution:  Indo-West Pacific: India and Sri Lanka eastward to Tonga; south to Australia; north to Japan.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 9-10; Anal spines: 3-3; Anal soft rays: 5-6. Body reddish with vague broad bars; paired fins with bars; median fins with small dark spots (Ref. 4313). Mid-dorsal spines shorter than body depth (Ref. 37816). Description: Characterized by variable colors: brownish, red or yellow overall; deeply incised membranes of spinous portion of dorsal fin; longest dorsal spine about 1.7 in body depth; enlarged and wing-like pectoral fins with rays fully connected by membranes except slightly incised between lower seven unbranched rays; depth of body 2.6 in SL (Ref. 90102).
Biology:  Common in reef flats and shallow lagoons, in areas with weed-covered rocks on sandy substrates. Adults often found on sponges and juveniles are sometimes found in small aggregations on remote bommies with 10 or so individuals (Ref. 48635). Nocturnal. Feeds on small crustaceans (Ref. 37816).
IUCN Red List Status: Least Concern (LC); Date assessed: 03 March 2015 Ref. (130435)
Threat to humans:  venomous


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