Holocéfalos (quimeras) (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).
Environment: milieu / climate zone / depth range / distribution range
Ecología
marino batidemersal; rango de profundidad 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).
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 140 cm TL macho / no sexado; (Ref. 4444)
Espinas dorsales (total) : 1; Espinas anales: 0; Radios blandos anales: 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).
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).
Life cycle and mating behavior
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Pesquerías: comercial
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Preferred temperature (Ref.
123201): 3.4 - 8.9, mean 6.7 °C (based on 174 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00195 (0.00085 - 0.00449), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 3.9 ±0.46 se; based on food items.
Resiliencia (Ref.
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (84 of 100).
Climate Vulnerability (Ref.
125649): Moderate vulnerability (38 of 100).
Nutrients (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);
