Holocephali (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); pacifica: ana- (L.), belonging to: Pacific Ocean, described as a Pacific congener of Harriotta raleighana (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batidemersal; intervalo de profundidade 330 - 1490 m (Ref. 26346). Deep-water; 46°N - 50°S
Pacific Ocean: Japanese Archipelago to the South China Sea, and off Australasia and Peru.
Comprimento de primeira maturação / Tamanho / Peso / Idade
Maturity: Lm 125.0, range 108 - 129.5 cm
Max length : 159 cm TL macho/indeterminado; (Ref. 122636); peso máx. publicado: 3.2 kg (Ref. 122636)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Espinhos anais: 0; Raios anais : 0. Pale brown dorsally, grey-brown ventrally; snout and front of head white (Ref. 26346). A spookfish with a very long, narrow, conical snout, a small eye situated behind the mouth, a rather long first dorsal fin and spine, relatively smooth tooth plates, and with the lower caudal-fin lobe longer than the upper lobe (Ref. 6871).
Found on the continental slope (Ref. 7300). Maximum length 130 cm without caudal filament (Ref. 26346). Oviparous (Ref. 205). Eggs are encased in horny shells (Ref. 205).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Last, P.R. and J.D. Stevens, 1994. Sharks and rays of Australia. CSIRO, Australia. 513 p. (Ref. 6871)
Status na Lista Vermelha da UICN (Ref. 130435: Version 2024-1)
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 5 - 9.8, mean 7.1 °C (based on 517 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00100 (0.00062 - 0.00161), b=3.11 (2.97 - 3.25), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 3.9 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Assuming Fec <100).
Fishing Vulnerability (Ref.
59153): Very high vulnerability (90 of 100).
