Teleostei (teleosts) >
Perciformes/Scorpaenoidei (Scorpionfishes) >
Scorpaenidae (Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Phenacoscorpius: Greek, phenax, -akos = deceptive + Greek, skorpion = scorpion (Ref. 45335).
More on authors: Motomura & Last.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; demersal. Temperate; 29°S - 30°S, 159°E - 169°E
Southwest Pacific: south of Northfolk Island, Norfolk Island Ridge, Tasman Sea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.8 cm SL male/unsexed; (Ref. 82686); 6.3 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
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).
Body shape (shape guide): short and / or deep.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Motomura, H. and P.R. Last, 2009. Phenacoscorpius longirostris, a new species of deep water scorpionfish (Scorpaeniformes: Scorpaenidae) from the northern Tasman Sea, southwestern Pacific Ocean. Zootaxa 2290:27-35. (Ref. 82686)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01660 (0.00676 - 0.04074), b=3.07 (2.85 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
3.4 ±0.6 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |