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Stomiiformes (Lightfishes and dragonfishes) >
Sternoptychidae (Marine hatchetfishes) > Sternoptychinae
Etymology: Polyipnus: Greek, poly = a lot of + Greek, ipnos = lanterns.
Eponymy: Dr Charles McLean Fraser (1872–1946) was a marine biologist who is mainly remembered for his work on hydroids. [...] (Ref. 128868), visit book page.
More on author: Fowler.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall ? - 1023 m (Ref. 26282). Deep-water
Western Pacific: collected off east coast of the Philippines and in the central Philippine Sea near the Kyushu-Palau Ridge.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.0 cm SL hane/ej könsbestämd; (Ref. 26382)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 10; Mjukstrålar i analfenan: 11 - 12. Polyipnus fraseri is distinguished from all other Polyipnus by the presence of a unique posterior preopercular spine, absence of ACA photophores, and only four ACB photophores at SL over 2 cm (Ref. 26382).
Body shape (shape guide): short and / or deep.
Minimum depth from Ref. 58018.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02291 (0.01031 - 0.05092), b=2.94 (2.75 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (12 of 100). 🛈 |