Elasmobranchii (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Galeus: galeos, a small shark or dogfish according to Aristotle and others (See ETYFish); cadenati: In honor of French ichthyologist Jean Cadenat (1908-1992), Director, Marine Biological Section of the Institut Français d’Afrique Noire (Gorée, Senegal), who described the similar G. polli in 1959 (See ETYFish).
Eponymy: Dr Jean Cadenat (1908–1992) of the University of Dakar, was a French researcher and ichthyologist at the ‘Office de la recherche scientifique et technique outre-mer’, where he was Director of the Marine Biological Section of the Institute Français [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range ? - 439 m (Ref. 13292). Deep-water
Western Central Atlantic: Panama and Colombia (Ref. 244). Also Venezuela and possibly Trinidad and Tobago (Ref. 5217).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Holotype taken from a depth of 439 m (Ref. 13292).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Howe, J. and V.G. Springer, 1993. Catalog of type specimens of recent fishes in the National Museum of Natural History, Smithsonian Institution, 5: Sharks (Chondrichthyes: Selachii). Smithson. Contrib. Zool. 540:19. (Ref. 13292)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (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). |
Trophic level (Ref. 69278) |
4.0 ±0.2 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100). |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |