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Scombriformes (Mackerels) >
Trichiuridae (Cutlassfishes) > Aphanopodinae
Etymology: Aphanopus: Greek, aphanes = hidden + Greek, pous = foot (Ref. 45335); arigato: From the Japanese arigato meaning thank you, expressing the author's gratitude to his Japanese hosts during a visit to the scientific instituitions of Japan in October-December 1992.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall 0 - 1350 m (Ref. 50610). Deep-water
Western Pacific: Japan, Kuril Islands, NW Ridge (Kinmei Seamount). Eastern Pacific: Canada and the USA.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 72.0 cm SL hane/ej könsbestämd; (Ref. 41692)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 39 - 43; Mjukstrålar i ryggfenan (totalt) : 54 - 58; Taggstrålar i analfenan: 2; Mjukstrålar i analfenan: 47 - 50; Ryggkotor: 103 - 105. Distance from snout to anus 1.8-1.9 times in SL; eye diameter 5.6-6.5; upper jaw 2.15-2.30 times in HL (Ref. 41692).
Body shape (shape guide): eel-like.
Juveniles mesopelagic at 146-190 m at night, 300-1100 m during day; adults benthopelagic (Ref. 58302).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Parin, N.V., 1995. Three new species and new records of cutlass fishes of the genus Aphanopus (Trichiuridae). J. Ichthyol. 35(2):128-138. (Ref. 41692)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00046 (0.00020 - 0.00105), b=3.11 (2.91 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.1 ±0.7 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Assuming tmax>10). |
Sårbarhet i fisket (Ref. 59153) |
Moderate vulnerability (39 of 100). 🛈 |