Elasmobranchii (haaien en roggen) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); gracilis: Latin for thin or slender, referring to its firm, slender body (See ETYFish).
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathydemersaal; diepte 290 - 470 m (Ref. 11146). Tropical; 10°S - 28°S
Indo-West Pacific: northern Australia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 34.0 cm TL mannelijk / geslacht onbekend; (Ref. 11146)
Dorsale stekels (totaal) : 0; Anale stekels: 0. Bold saddle markings on body and precaudal tail, but without dark markings on the terminal and hypural caudal-fin lobes (Ref. 11146).
Body shape (shape guide): elongated.
A rare, little-known bottom-dwelling catshark found on the uppermost continental slopes (Ref. 11146). Mode of reproduction unknown (Ref. 11146).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Compagno, L.J.V. and V.H. Niem, 1998. Scyliorhinidae. Catsharks. p. 1279-1292. In K.E. Carpenter and V.H. Niem (eds.) FAO Identification Guide for Fishery Purposes. The Living Marine Resources of the Western Central Pacific Vol. 2. Rome: FAO. (Ref. 11146)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (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). |
Trofisch niveau (Ref. 69278) |
3.9 ±0.2 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (20 of 100). 🛈 |