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Stomiiformes (Lightfishes and dragonfishes) >
Gonostomatidae (Bristlemouths)
Etymology: Cyclothone: Greek, kyklothen, in circle, around (Ref. 45335); microdon: microdon meaning small toothed (Ref. 6885).
More on author: Günther.
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas batipelágico; intervalo de profundidade 200 - 5301 m (Ref. 58426), usually 500 - 2700 m (Ref. 82363). Deep-water; 67°N - 45°S, 180°W - 180°E
Widely distributed in all Atlantic, tropical and austral Indian and Pacific Oceans (Ref. 4463). Southern Ocean: probably circum-Antarctic between the Antarctic Polar Front and the Antarctic continental shelf (Ref. 5162).
Comprimento na primeira maturidade / Tamanho / Peso / Idade
Maturidade: Lm 3.3, range 3 - 3.5 cm
Max length : 7.6 cm TL macho/indeterminado; (Ref. 4925)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 0; Raios dorsais moles (total) : 13 - 15; Espinhos anais: 0; Raios anais moles: 17 - 20. Brown to brown-black in color; dense stellate pigment over head, body and fins (Ref. 3991).
Body shape (shape guide): elongated.
An oceanic, deep mesopelagic to bathypelagic species (Ref. 4769). Precise depth range dependent upon developmental stage, latitude, season (Ref. 4769). Doest not exhibit diel vertical migrations (Ref. 4769). A non-seasonal breeder with no recognizable age-cohorts (Ref. 82363). Feeds mainly on copepods (Ref. 4769).
Protandrous, sex reversal observed in the eastern North Atlantic (Ref. 5162). Sex reversal at 22-24 mm SL (Ref. 4769).
Quéro, J.-C., J.C. Njock and M.M. de la Hoz, 1990. Gonostomatidae. p. 283-292. 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. 4463)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: sem interesse
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 1.8 - 8.2, mean 3.2 °C (based on 7820 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00166 - 0.00872), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 3.0 ±0.13 se; based on food items.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Assuming tm>1; Fec=2,000-10,000).
Vulnerabilidade da pesca (Ref.
59153): Low vulnerability (10 of 100).
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