Holocéphales (chimères) (chimaeras) >
Chimaeriformes (Chimaeras) >
Rhinochimaeridae (Longnose chimaeras)
Etymology: Rhinochimaera: A chimaera with rhinos (Gr.), nose, referring to long, pointed proboscis of R. pacifica (See ETYFish); atlantica: ana- (L.), belonging to: North Atlantic Ocean, where it occurs (See ETYFish).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; profondeur 200 - 1500 m (Ref. 117245), usually 400 - 1500 m (Ref. 4444). Deep-water; 67°N - 58°S, 98°W - 26°E
Northwest to Northeast Atlantic, and Southeast Atlantic: Antitropical. Eastern Atlantic: northern Bay of Biscay northward to Iceland, including the Iceland-Faroes Rise (Ref. 3183); off Cayar and Cape Barbas in Western Sahara, off Namibia and South Africa (Ref. 4444). Western Atlantic: off Nova Scotia, Canada and New England, USA (Ref. 3183).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 140 cm TL mâle / non sexé; (Ref. 4444)
Épines dorsales (Total) : 1; Épines anales: 0; Rayons mous anaux: 0. A longnose chimaera with a narrow, moderately flattened, pointed snout and smooth, sharp-edged tooth plates; pectoral fins narrow, and caudal fin with very short terminal filament and wide-spaced tubercles on upper edge (in adults and large juveniles) (Ref. 5578). Whitish to light brown in color (Ref. 5578).
Body shape (shape guide): elongated.
Found on or near the bottom of continental slopes (Ref. 5578). Forms groups according to sex and size (Ref. 5578). Feeds on shrimps and crabs (Ref. 27637). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Krefft, G., 1990. Rhinochimaeridae. p. 114-116. 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. 4444)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.6270 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00195 (0.00084 - 0.00451), b=3.15 (2.95 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Niveau trophique (Réf. 69278) |
3.9 ±0.46 se; based on food items. |
Résilience (Réf. 120179) |
Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming Fec <100). |
Vulnérabilité de la pêche (Ref. 59153) |
High to very high vulnerability (74 of 100). 🛈 |
Vulnérabilité climatique (Ref. 125649) |
Moderate vulnerability (38 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Unknown.
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Nutriments (Ref. 124155) |
Calcium = 8.71 [2.52, 29.40] mg/100g; Iron = 0.36 [0.12, 0.92] mg/100g; Protein = 14.2 [9.9, 18.2] %; Omega3 = 0.262 [0.098, 0.711] g/100g; Selenium = 22.4 [6.6, 72.4] μg/100g; VitaminA = 5.02 [1.05, 22.07] μg/100g; Zinc = 0.293 [0.152, 0.567] mg/100g (wet weight); |