Salmon shark (Lamna ditropis)

Scientific name: Lamna ditropis Hubbs & Follett, 1947

Salmon shark (Lamna ditropis)

The Salmon shark (Lamna ditropis) is a marine fish of the family Lamnidae. Native range: North Pacific, Japan, Korea, and the Sea of Okhotsk to the Bering Sea and southward to southern California, USA and Baja California, Mexico.

Biology

A coastal-littoral and epipelagic shark that prefers boreal to cool temperate waters, from the surface to at least 152 m. Common in continental offshore waters but range inshore to just off beaches. Occurs singly or in schools or feeding aggregations of several individuals. Feeds on fishes. Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother. With up to 4 young in a litter. Fast swimmer. Potentially dangerous but has never or seldom been implicated in human attacks. Causes considerable damage to commercial catches and gear. Utilized fresh, dried or salted, and frozen; fins, hides and livers are also used, with fins having particular value; can be broiled and baked.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lamna ditropis
Family
Lamnidae (Mackerel sharks or white shark)
Order
Lamniformes (Mackerel sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
305
Common length
180
Depth range
0–650 m (0–2133 ft)
Environment
Marine; pelagic-oceanic; oceanodromous; depth range 0 - 650 m, usually 0 - 152 m
Climate
Temperate
Distribution
North Pacific: Japan, Korea, and the Sea of Okhotsk to the Bering Sea and southward to southern California, USA and Baja California, Mexico.
Conservation status (IUCN)
Least Concern (LC)
Threat to humans
Traumatogenic
Uses
Fisheries: minor commercial; gamefish: yes
Resilience
Very Low, minimum population doubling time more than 14 years (Fec=4)

Sources

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

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