Phenacoscorpius longirostris Motomura & Last, 2009
Longsnout No-line Scorpionfish
Phenacoscorpius longirostris
photo by CSIRO Australian National Fish Collection

Family:  Scorpaenidae (Scorpionfishes or rockfishes), subfamily: Scorpaeninae
Max. size:  4.79 cm SL (male/unsexed); 6.32 cm SL (female)
Environment:  demersal; marine
Distribution:  Southwest Pacific: south of Northfolk Island, Norfolk Island Ridge, Tasman Sea.
Diagnosis:  Dorsal spines (total): 12; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 5. This species is distinguished by the following combination of characters: pectoral-fin rays 17, all rays unbranched; no palatine teeth; second preopercular spine well-developed, its length longer than third or fourth spines; long snout, its length 12.8-13.1% (mean 12.9%) SL and 27.9-28.6% (mean 28.2%) HL; small eye, orbit diameter 12.3-13.2% (mean 12.8%) SL and 26.9-28.8% (27.8%) HL; narrow head, its width 27.4-28.3% (27.8%) SL; long and shallow caudal peduncle, length and depth 16.9-17.6% (17.3%) SL and 7.1-8.2% (7.7%) SL respectively; long predorsal length 42.2-43.1% (42.7%) SL; long preanal length 74.9-75.0% (74.9%) SL; long prepelvic length 43.1-43.5% (43.3%) SL (Ref. 82686).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 03 March 2015 Ref. (130435)
Threat to humans:  harmless


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