Uranoscopus japonicus Houttuyn, 1782
Uranoscopus japonicus
photo by Shao, K.T.

Family:  Uranoscopidae (Stargazers)
Max. size:  18 cm TL (male/unsexed)
Environment:  bathydemersal; marine; depth range 250 - 300 m
Distribution:  Western Pacific: southern Japan to the South China Sea except Ryukyu Islands.
Diagnosis:  Dorsal spines (total): 4-6; Dorsal soft rays (total): 13-15; Anal soft rays: 13-15; Vertebrae: 26-26. Lower edge of preopercle with 3 spines, very rarely to be more. Labial fimbriae simple and poorly developed. Posterior nostril slitlike. Dorsoposterior margin of pectoral fin slightly concave; pectoral and caudal fins pale yellow in fresh specimens. Fifth proximal anal pterygiophore (the first to follow a complete haemal spine) usually inserts between the haemal spines of 13th and 14th vertebrae (Ref. 11439).
Biology:  Found near shore, down to 260 m, on sand and sandy mud bottoms (Ref. 11230). Spend a large part of their time buried in the mud or sand with only their eyes and a portion of the mouth protruding (Ref. 4716). Cleithral spine with venom gland (Ref. 57406).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 February 2009 Ref. (130435)
Threat to humans:  venomous


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