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> Aulopiformes (Grinners) > Paralepididae (Barracudinas)
Etymology: Arctozenus: Greek, arktos = bear + particle zen, derived from zao = to give life; australis: Name from Latin 'australis' for 'southern', referring to the distribution of the species which appears restricted to the Southern Ocean..

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

seewasser bathypelagisch; tiefenbereich 160 - 800 m (Ref. 122005). Temperate

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Indian Ocean, Antarctic: off Kerguelen Islanda.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 31.6 cm SL Männchen/unbestimmt; (Ref. 122005)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt): 9-10; Afterflossenweichstrahlen: 30 - 32; Wirbelzahl: 79 - 84. A species of Arctozenus differing from the only congener in having a pale body with lower half mostly devoid of chromatophores; body slender, its depth 14-19 in SL; a slender head, its depth at middle of eye 4.3-5.1 in HL. Compared to similar size specimens (>250 mm SL) of A. risso, A. australis has relatively slender body (5.2-7.3%, vs. 7.7-10.6% SL); the ratio of snout length/eye diameter relatively large 3.1-3.9 (vs. 2.7-3.4); origin of pelvic fin slightly but clearly behind dorsal-fin base (vs. usually below dorsal-fin base); and anterior lateral-line scales long, about twice as long as its height (vs. width subequal to the height). (Ref. 122005)

Reported as by-catch of bottom trawl on the slope of the Kerguelen Plateau (480-800 m) and South-Georgia (Ref. 122005).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Ho, H.-C. and G. Duhamel, 2019. A new species of the fish genus Arctozenus from the Kerguelen Islands, with comments on the lost teeth in adults (Aulopiformes: Paralepididae). Zootaxa 4651(3):497-512. (Ref. 122005)

IUCN Rote Liste Status (Ref. 130435)

Nicht untersucht

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00224 (0.00090 - 0.00555), b=3.14 (2.92 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.9 ±0.7 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (29 of 100).

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Arctozenus australis Ho & Duhamel, 2019