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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Idiacanthinae
Etymology: Idiacanthus: Greek, idia = own privative + Greek, akantha = thorn (Ref. 45335).
More on author: Peters.
Environment: milieu / climate zone / Tiefenbereich / distribution range
Ökologie
seewasser bathypelagisch; tiefenbereich 0 - 2000 m (Ref. 58302), usually 30 - 800 m (Ref. 51358). Deep-water; 40°N - 54°S, 85°W - 150°W
North Atlantic: north of 10°N. South Atlantic: southern tip of Africa. Also recorded from the Patagonian region of Argentina (Ref. 27363). Indo-Pacific: across the Indian Ocean north of about 23°S to west and central Pacific between 27°N and 23°S. South China Sea and water near Taiwan (Ref.74511).
Length at first maturity / Size / Gewicht / Alter
Geschlechtsreife: Lm 25.0 range ? - ? cm
Max length : 48.9 cm SL Männchen/unbestimmt; (Ref. 27363); 29.0 cm SL (female)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 62 - 72; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 39 - 46. Pelvic fins of females with 6 soft rays, absent in males (Ref. 6600). No true gill rakers (Ref. 27363). Dark brown or pale in male and black or dark brownish black in female (Ref. 37473).
Body shape (shape guide): elongated.
Mesopelagic in depths exceeding 500 m (Ref. 7249) and bathypelagic (Ref. 58302). Females undergo diel vertical migrations (Ref. 7249).
Krueger, W.H., 1990. Idiacanthidae. p. 341-342. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 7249)
IUCN Rote Liste Status (Ref. 130435: Version 2025-1)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: bycatch
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 6.2 - 27.4, mean 16 °C (based on 3030 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.9 ±0.67 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
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