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Teleostei (teleosts) > Perciformes/Scorpaenoidei (Scorpionfishes) > Scorpaenidae (Scorpionfishes or rockfishes) > Scorpaeninae
Etymology: Phenacoscorpius: Greek, phenax, -akos = deceptive + Greek, skorpion = scorpion (Ref. 45335); longilineatus: Name from Latin word meaning long line, referring to the long lateral line, associated with the greatest number of pored lateral-line scales in the genus..

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathypelagic; depth range 345 - 1089 m (Ref. 92845). Deep-water

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Southwestern Pacific: New Caledonia and New Zealand.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.5 cm SL male/unsexed; (Ref. 92845)

Short description Identification keys | Morphology | Morphometrics

This species is distinguished by the following set of characters: pectoral-fin rays 16-18 (mode 17), middle rays branched in young and adults; pored lateral-line scales 8-18 (mode 12), with last pored scale situated from below base of seventh spine to below base of fourth dorsal-fin soft rays; scale rows in longitudinal series 50-52; gill rakers 18-21 (mode 20); no slit behind fourth gill arch; palatine teeth present; second preopercular spine always absent; nuchal and parietal spines distinct; suborbital spines in young and adults 4-6 (mode 5) and in larger adults 6-7; nape and anterior part of body strongly arched in adults of over ca. 80 mm SL; relatively long postnuchal-spine length, 5.0-9.7% (mean 7.2%) of SL; relatively short caudal fin length, 2.4-26.7% (mean 23.4%) of SL; black spots on posterior half of caudal peduncle 1-5 (mode 2); body usually uniformly whitish without distinct dark saddles in preserved specimens (Ref. 92845).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Motomura, H., R. Causse and C.D. Struthers, 2012. Phenacoscorpius longilineatus, a new species of deepwater scorpionfish from the Southwestern Pacific Ocean and the first records of Phenacoscorpius adenensis from the Pacific Ocean (Teleostei: Scorpaenidae). Species Diversity 17:151-160. (Ref. 92845)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 03 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 3.2 - 4.8, mean 4.3 °C (based on 138 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01778 (0.00696 - 0.04547), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.6 ±0.4 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 (10 of 100).

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Phenacoscorpius longilineatus Motomura, Causse & Struthers, 2012