Longnose pygmy shark (Heteroscymnoides marleyi)

Scientific name: Heteroscymnoides marleyi Fowler, 1934

Longnose pygmy shark (Heteroscymnoides marleyi)

The Longnose pygmy shark (Heteroscymnoides marleyi) is a marine fish of the family Dalatiidae. Native range: Southeast Atlantic, near Ascension Island. Western Indian Ocean: Durban, Natal, South Africa.

Biology

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. A cylindrical, dwarf dogfish shark with a long bulbous snout, small round eyes, and small gill slits; caudal fin paddle-shaped. Dark brown with conspicuous light-edged fins. Ventral surface covered with minute photophores.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Heteroscymnoides marleyi
Family
Dalatiidae (Sleeper sharks)
Order
Squaliformes (Bramble, Sleeper and Dogfish sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
29.0
Depth range
0–502 m (0–1647 ft)
Environment
Marine; benthopelagic; depth range 0 - 502 m
Climate
Tropical
Distribution
Southeast Atlantic: near Ascension Island. Western Indian Ocean: Durban, Natal, South Africa.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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