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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); longirostris: longus (L.), long; rostris, from rostrum (L.), snout, referring to its “considerably longer” snout compared with congeners known at the time. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; bathydemersal; depth range 440 - 520 m (Ref. 58018). Deep-water

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Northwest Pacific: Amami-oshima, the Ogasawara and Izu islands.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 80.3 cm TL male/unsexed; (Ref. 12694)

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Tachikawa, H. and T. Taniuchi, 1987. Galeus longirostris, a new species of the sawtail catshark from Japan. Jap. J. Ichthyol. 33(4):352-359. (Ref. 12694)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 30 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
Ecology

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Length-weight rel.
Length-length rel.
Length-frequencies
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Life cycle
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Egg(s)
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Anatomy
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Brains
Otoliths

Physiology
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Visual pigment(s)
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Estimates based on models

Preferred temperature (Ref. 123201): 2.7 - 7.3, mean 4.6 °C (based on 103 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00355 (0.00176 - 0.00714), 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): 4.1 ±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): Moderate to high vulnerability (52 of 100).

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Galeus longirostris Tachikawa & Taniuchi, 1987