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> Lampriformes (Velifers, tube-eyes and ribbonfishes) > Radiicephalidae (Tapertails)
Etymology: Radiicephalus: Latin, radius + Greek, kephale = head (Ref. 45335).

Environment: milieu / climate zone / depth range / distribution range Ecologia

marinhas; intervalo de profundidade 570 - ? m (Ref. 58018). Deep-water; 38°N - 40°S, 130°W - 20°E

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Eastern Atlantic: off Morocco and the Azores (Ref. 6739) southward to Cape Point, South Africa (Ref. 6551). Eastern Pacific: present in the California Current region (Ref. 36609).

Tamanho / Peso / Idade

Maturity: L_m ? range ? - ? cm
Max length : 76.0 cm TL macho/indeterminado; (Ref. 4506)

Descrição breve Chaves de identificação | Morfologia | Morfometria

Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 152 - 160; Espinhos anais: 0; Raios anais moles: 6 - 7; Vértebras: 114 - 121. Body and tail silvery in color; dorsal base blackish (Ref. 6551). Branchiostegal rays: 4-6 (Ref. 36609). Pelvic fins absent in adults.

Mesopelagic species (Ref. 6808). Adults feed on lantern-fishes (Myctophidae) and possibly euphausiid crustaceans (Ref. 6739). Oviparous, with planktonic larvae (Ref. 36609). They have the ability to discharge dark brown fluid from the ink-sac when alarmed.

Life cycle and mating behavior Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas

Oviparous (Ref. 36609).

Referência principal Upload your references | Referências | Coordenador | Colaboradores

Aguiar, A. and J.-C. Quéro, 1990. Trachipteridae. p. 647-649. 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. 2. (Ref. 4506)

Categoria na Lista Vermelha da IUCN (Ref. 130435)

Preocupação menor (LC) ; Date assessed: 07 May 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Ameaça para o homem

Harmless

Utilização humana

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 4.5 - 7, mean 5.8 °C (based on 5 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.5000 [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).

Nível Trófico (Ref. 69278): 3.9 ±0.63 se; based on food items.

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (50 of 100).

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Radiicephalus elongatus Osório, 1917