>
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.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien bathypelagisch; diepte 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).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 3.3, range 3 - 3.5 cm
Max length : 7.6 cm TL mannelijk / geslacht onbekend; (Ref. 4925)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 13 - 15; Anale stekels: 0; Anale zachte stralen: 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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
Download XML
Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 1.8 - 8.2, mean 3.2 °C (based on 7820 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00172 - 0.00881), b=2.99 (2.79 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.0 ±0.13 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Assuming tm>1; Fec=2,000-10,000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
🛈
