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Stomiiformes (Lightfishes and dragonfishes) >
Stomiidae (Barbeled dragonfishes) > Astronesthinae
Etymology: Astronesthes: Greek, astra = ray + Greek, esthes, -es = suit, something used to wrap (Ref. 45335).
Eponymy: Sir John Richardson (1787–1865) was a Scottish naval surgeon, naturalist and Arctic explorer. [...] (Ref. 128868), visit book page.
More on author: Poey.
Environment: milieu / climate zone / depth range / distribution range
Ecologia
marinhas batipelágico; oceanódromo (Ref. 51243); intervalo de profundidade 275 - 1000 m (Ref. 58426). Deep-water; 62°N - 18°S, 98°W - 14°E
Eastern Atlantic: Mauritania south to Angola; reported from central Namibia (Ref. 27121). Western Atlantic: Gulf of Mexico and Bahamas area; and across the Atlantic (20°N-10°S). One specimen known from the southwest Atlantic (25°27'S, 35°56'W).
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 17.2 cm SL macho/indeterminado; (Ref. 126117); peso máx. Publicado: 32.90 g (Ref. 126117)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
Raios dorsais moles (total) : 15 - 17; Raios anais moles: 12 - 15. Barbel without pigment, tapering to end, lacking swelling or bulb (Ref. 37473). Body moderately elongate and slender. Maxillary teeth closely spaced. Serial photophores not broken into small groups. Luminous patches present on margin of operculum. Black in color (Ref. 37039).
Oceanic, usually living deeper than 500 m during the day. Smaller individuals migrate to the surface at night. Possibly feeding on crustaceans and fishes (Ref. 58426). Minimum depth from Ref. 58018.
Life cycle and mating behavior
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Gibbs, R.H. Jr., 1990. Astronesthidae. p. 300-307. 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. 4465)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2024-1)
Ameaça para o homem
Harmless
Utilização humana
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimates based on models
Preferred temperature (Ref.
123201): 7.1 - 9.4, mean 8.6 °C (based on 35 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00437 (0.00216 - 0.00883), b=3.07 (2.88 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nível Trófico (Ref.
69278): 3.9 ±0.64 se; based on food items.
Resiliência (Ref.
120179): Médio, tempo mínimo de duplicação da população 1,4 - 4,4 anos (Assuming tmax>3).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
![Image of Astronesthes richardsoni (Richardson\](/images/thumbnails/gif/tn_Asric_u0.gif "Image of Astronesthes richardsoni (Richardson\")
