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Teleostei (teleosts) > Stomiiformes (Lightfishes and dragonfishes) > Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Polyipnus: Greek, poly = a lot of + Greek, ipnos = lanterns.

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

Marine; benthopelagic; depth range 154 - 380 m (Ref. 26382), usually 220 - 380 m (Ref. 26382). Deep-water

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Western Pacific: Suruga Bay (Japan), the East China Sea and off the Philippines in the South China and Sulu seas.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 6.0 cm SL male/unsexed; (Ref. 559)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 12 - 14; Anal soft rays: 15 - 18; Vertebrae: 33 - 35.

Specimens have been collected above 150 m in Suruga Bay, Japan (Ref. 26382).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Harold, A.S., 1994. A taxonomic revision of the sternoptychid genus Polyipnus (Teleostei: Stomiiformes) with an analysis of phylogenetic relationships. Bull. Mar. Sci. 54(2):428-534. (Ref. 26382)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 18 July 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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Ecology
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Length-weight rel.
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Life cycle
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Estimates based on models

Preferred temperature (Ref. 123201): 8.8 - 15.8, mean 12.1 °C (based on 123 cells).

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

Bayesian length-weight: a=0.02291 (0.01031 - 0.05092), b=2.94 (2.74 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.2 ±0.3 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).

Polyipnus spinifer Borodulina, 1979