Plectranthias japonicus (Steindachner, 1883)
Japanese perchlet
Plectranthias japonicus
photo by Gloerfelt-Tarp, T.

Family:  Anthiadidae (Fairy basslets or Streamer basses)
Max. size:  12.9 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 156 - 320 m
Distribution:  Indo-West Pacific: Japan to Australia (Western Australia, Northern Territory); including Taiwan and southern Indonesia.
Diagnosis:  Dorsal soft rays (total): 14-16; Vertebrae: 26-26. This species is distinguished from its congeners by the following set of characters: segmented dorsal rays 1-16, usually 15; fourth or fifth dorsal spine longest; pectoral rays 15-17, usually 16; lateral line complete, with 30-35 tubed scales; posterior preopercle with 17-40 serrations, continued around corner of bone to posteroventral edge; no antrorse serrations on ventral edge of preopercle; margins of subopercle and interopercle serrate; scales with basal cteni; vertebrae 10+16 (Ref. 123579).
Biology:  Inhabits deep trawling grounds to at least 200 m (Ref. 3132).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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