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Lophiiformes (Anglerfishes) >
Chaunacidae (Sea toads o coffinfishes)
Etymology: Chaunax: Greek, chaunax, -akos = a conceited man (Ref. 45335); russatus: Name from Latin 'russatus' or clothed in red; referring to the uniform bright red colour of the body and fins.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bentopelagisk; djupintervall 512 - 1200 m (Ref. 93086). Deep-water
Southwest Pacific: North I. and northern South I. of New Zealand north of the subtropical convergence; from s. Lord Howe Rise, West Norfolk Ridge, s. Kermadec Ridge, n slope of Chatham Rise to e. of Chatham Is. and Louisville Rdige (Ref. 93086). With specimens collected from the western Indian Ocean, it is now thought to exhibit a trans-Indian Ocean distribution (Ref. 94130).
Storlek / Vikt / Ålder
Könsmognad: Lm ? range ? - ? cm
Max length : 23.3 cm SL hane/ej könsbestämd; (Ref. 93086)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 3; Mjukstrålar i ryggfenan (totalt) : 12; Mjukstrålar i analfenan: 6 - 7. This species which is a member of the C. abei-species group possess a broad illicial trough that is wider than the eye pupil diameter and has a uniformly deep red body; further distinguished from its congeners in having the modally 1spine on each side of lateral-line neuromast; modally 12 pectoral-fin rays; caudal peduncle wide and stout; illicium short and stout; esca large with numerous bright red cirri; greyish gill chamber and gill arches; gill rakers - GRi = 17-18 (3-4+13-15); GRii = 14-15; GRiii = 14-15; GRiv = 12; lateral-line neuromast counts: AB = 11-12 (modally 12); AC = 8; BB' = 4-5 (4); BD = 2-3 (2); CD = 6-7 (7); EF = 4-5 (4); FG = 4-5 (4); GH = 11-14 (13); BI = 32-39 (Ref. 93086).
Body shape (shape guide): short and / or deep; Cross section: flattened.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Ho, H.-C., C.D. Roberts and A.L. Stewart, 2013. A review of the anglerfish genus Chaunax (Lophiiformes: Chaunacidae) from New Zealand and adjacent waters, with descriptions of four new species. Zootaxa 3620(1):089-111. (Ref. 93086)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
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Uppskattningar baserade på modeller
Önskad temperatur (Ref.
123201): 2.3 - 8.6, mean 6.8 °C (based on 153 cells).
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01905 (0.00749 - 0.04850), b=3.02 (2.80 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (18 of 100).
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