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Elasmobranchii (sharks and rays) > Squaliformes (Sleeper and dogfish sharks) > Somniosidae (Sleeper sharks)
Etymology: Scymnodalatias: scymno-, referring to previous placement in Scymnodon; dalatias, referring to lack of dorsal spines like most sharks in the family Dalatiidae (sometimes included within Somniosidae). (See ETYFish); oligodon: oligos (Gr.), few or scanty; odontos (Gr.), tooth, referring to fewer teeth in upper jaw compared with congeners. (See ETYFish).

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

Marine; benthopelagic; depth range 0 - 200 m (Ref. 10905). Subtropical

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Southeast Pacific.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm

Holotype taken from a depth ranging from 0-200 m (Ref. 10905).

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

Distinct pairing with embrace (Ref. 205).

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Kukuev, E.I. and I.I. Konovalenko, 1988. Two new species of sharks of the genus Scymnodalatias (Dalatiidae) from the North Pacific and Southeastern Pacific Oceans. J. Ichthyol. 28(1):122-126. (Ref. 10905)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 05 February 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

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Estimates based on models

Preferred temperature (Ref. 123201): 11.2 - 15.2, mean 12.1 °C (based on 29 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00168 - 0.00901), b=3.13 (2.94 - 3.32), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.5 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): High vulnerability (58 of 100).

Scymnodalatias oligodon Kukuev & Konovalenko, 1988