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Teleostei (teleosts) > Beryciformes (Sawbellies) > Melamphaidae (Bigscale fishes or ridgeheads)
Etymology: Poromitra: Greek, poros = porous + Greek, mitra = stripe, belt (Ref. 45335); curilensis: The name indicates that the species occurs in the vicinity of the Kuril Islands..

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

Marine; bathypelagic; depth range 0 - 8000 m (Ref. 83718). Temperate

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Northern Pacific: from the Kuril and Japanese islands to the Gulf of Alaska.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 11.2 cm SL male/unsexed; (Ref. 83718)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 12 - 14; Anal spines: 1; Anal soft rays: 8 - 10; Vertebrae: 28 - 29. This species is distinguished by the following characters: with spinulated (without break) posterior and lower edges of praeoperculum; insertion of ventral fins is slightly anterior or level to the vertical of the posterior edge of pectoral fin insertion; upper jaw extends to the vertical of the posterior edge of the eye; dorsal fin with 12-14 soft rays, anal fin with 8-10; rakers on the first gill arch 27-30; vertebrae 28-29; pyloric caeca 7 (Ref. 83718).

Seined with non-closing fishing gear in the water horizon of 8000-0 m; and one catch was performed with a dip net near water surface (Ref. 83718).

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

Main reference Upload your references | References | Coordinator | Collaborators

Kotlyar, A.N., 2008. Revision of the genus Poromitra (Melamphaidae): Part 2. New species of the group P. crassiceps. J. Ichthyol. 48(5):581-592. (Ref. 83718)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 30 December 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Preferred temperature (Ref. 123201): 0.2 - 2.3, mean 1.7 °C (based on 569 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01096 (0.00451 - 0.02668), b=3.10 (2.89 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.3 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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Poromitra curilensis Kotlyar, 2008