Elasmobranchii (hajar och rockor) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); eastmani: Patronym not identified, probably in honor of American geologist and paleontologist Charles Rochester Eastman (1868-1918), a specialist in fossil fishes (See ETYFish).
Eponymy: Dr Charles Rochester Eastman (1868–1918) was an American palaeontologist, particularly interested in fossil fish. [...] (Ref. 128868), visit book page.
More on authors: Jordan & Snyder.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande. Deep-water; 34°N -
Northwestern Pacific: Japan to Taiwan (Ref. 127969). Possibly Vietnam and Malaysia.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm 36.5, range 36 - 37 cm
Max length : 40.0 cm TL hane/ej könsbestämd; (Ref. 11146)
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0. Obscure saddle markings on body and precaudal tail, and with dark markings on the terminal and hypural caudal-fin lobes (Ref. 11146).
Body shape (shape guide): elongated.
A little-known, but very common shark, found in deep water near the bottom (Ref. 11146). Maximum length of at least 40 cm TL, probably reaching 50 cm (Ref. 11146).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Oviparous, with a single egg laid per oviduct (Ref. 244). Embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00347 (0.00171 - 0.00701), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.9 ±0.2 se; based on diet studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec assumed to be <100). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |
Priskategori (Ref. 80766) |
Low.
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Näringsämnen (Ref. 124155) |
Calcium = 11.3 [2.0, 74.3] mg/100g; Iron = 0.364 [0.077, 1.246] mg/100g; Protein = 16.8 [13.6, 19.9] %; Omega3 = 0.214 [0.087, 0.521] g/100g; Selenium = 6.88 [2.12, 20.95] μg/100g; VitaminA = 21.6 [4.6, 104.1] μg/100g; Zinc = 0.449 [0.208, 0.865] mg/100g (wet weight); |