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Notacanthiformes (Halosaurs and deep-sea spiny eels) >
Notacanthidae (Deep-sea spiny eels)
Etymology: Polyacanthonotus: Greek, poly = a lot of + Greek, akantha = thorn + Greek,noton = back (Ref. 45335).
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 700 - 3000 m (Ref. 4449), usually 1500 - 2000 m (Ref. 4449). Deep-water; 45°N - 35°S, 98°W - 20°E
Eastern Atlantic: off Morocco, the Azores and Canary Islands and South Africa. Western Atlantic: New Jersey, USA to the Gulf of Mexico and Caribbean. The record from Davis Strait probably refers to Polyacanthonotus rissoanus.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 50.0 cm TL hane/ej könsbestämd; (Ref. 4449)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 26 - 40; Mjukstrålar i ryggfenan (totalt) : 0. Off white, tan or grey in color, lateral line darker; soft rayed portion of anal dark brown (Ref. 6594). Mouth bluish in front, black behind (Ref. 6594). Opercular flap and underside of head bluish (Ref. 6594). Broad separation of the anterior and posterior nostrils. First dorsal spine well posterior to the root of the pectoral fin. Large mouth, maxillary reaching the border of spectacle and much longer preoral snout (Ref. 37108).
Body shape (shape guide): eel-like.
Found at bathyal and abyssal depths. Feeds on benthic polychaetes, cnidarians, amphipods (Ref. 4449).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Sulak, K.J., 1990. Notacanthidae. p. 133-135. 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. 4449)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5626 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.48 se; based on food items. |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |