Pteroidichthys noronhai (Fowler, 1938)
Noronha’s scorpionfish

Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae
Max. size:  5.56 cm SL (male/unsexed)
Environment:  demersal; marine; depth range 50 - 215 m
Distribution:  Indo-West Pacific: Japan, China, Vietnam, the Philippines, Vanuatu, and Western Australia; recorded from Saya de Malha Bank and Taiwan.
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 8-9; Anal spines: 3-3; Anal soft rays: 5-5. This species is distinguished by the following characters: A III,5; rigid dorsal-fin spines; snout relatively short, length 13.5-16.9% (mean 15.3%) of SL, shorter than postorbital length; posterior margin of maxilla reaching to or extending beyond vertical through middle of pupil; distance between tips of lateral lacrimal and first suborbital spines shorter than or subequal to that between tips of first and second suborbital spines; with supplemental preopercular spine; poorly developed tentacles on supraocular and posterior lacrimal spines, their lengths usually less than (rarely longer than) orbit diameter; there are a few tentacles on trunk and fins; well-developed lateral lacrimal and suborbital spines, with pointed tips; absence of distinct black blotch on anterodistal part of soft-rayed portion of dorsal fin (Ref. 106976).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 03 March 2015 Ref. (130435)
Threat to humans:  harmless


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