Plectranthias azumanus (Jordan & Richardson, 1910)
Azuma perchlet

Family:  Anthiadidae (Fairy basslets or Streamer basses)
Max. size:  12 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 30 - 400 m
Distribution:  Indo-West Pacific: Western Australia to Japan and Taiwan.
Diagnosis:  Dorsal spines (total): 10-10; Dorsal soft rays (total): 14-15; Anal spines: 3-3; Anal soft rays: 7-7; Vertebrae: 26-26. This species is distinguished by the following set of characters: D X,14-15, rarely X,14; pectoral rays 15, rarely 14; lateral line complete with 33-37 tubed scales; lower edge of preopercl without antrorse serrations; scales with basal cteni; melanophores on caudal peduncle form a saddle that extends ventrally to about 1-2 scale rows beneath lateral line scales (Ref. 123579). Description: This species resembles P. kelloggi, P. maculicauda, P. melanesius in having a more-or-less barred body coloration (coalesced into a broad wedge in P. kelloggi) with a spot, bar or saddle over the caudal peduncle and a small spot on the caudal fin near the base of the upper rays (Ref. 123579).
Biology:  Uncommon deepwater fish. Found over rock or sand bottoms (Refs. 559 and 9137).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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