Porbeagle (Lamna nasus)

Scientific name: Lamna nasus Bonnaterre, 1788

Porbeagle (Lamna nasus)

The Porbeagle (Lamna nasus) is a marine fish of the family Lamnidae. In the aquarium it needs water at 2–18°C (36–64°F).

Porbeagle care at a glance

Temperature
2–18°C (36–64°F)

Biology

Most abundant on continental offshore fishing banks but also found far from land in ocean basins and occasionally close inshore. Pelagic, epipelagic or littoral shark; usually found in temperatures below 16?C. Found singly and in schools and feeding aggregations. Feeds on small pelagic schooling species (herring, gaspereau and mackerels), other sharks, squid, cod, white hake, red hake, haddock and cusk. Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother. Parasites include Phyllobothrium dagnallium (found in stomach, intestine and spiral valve) and Dinobothrium sp.. With 1 to 5 pups in a litter. Regarded as potentially dangerous to people because of its size and activity but has never or very seldom been indict

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Lamna nasus
Family
Lamnidae (Mackerel sharks or white shark)
Order
Lamniformes (Mackerel sharks)
Class
Elasmobranchii (Sharks and Rays)
Maximum length
350
Common length
244
Depth range
0–715 m (0–2346 ft)
Environment
Marine; pelagic-oceanic; oceanodromous; depth range 0 - 715 m
Climate
Temperate
Distribution
Circumglobal: In subtropical to temperate waters. Western Atlantic: Newfoundland, Canada to New Jersey USA; possibly southern Brazil to Argentina. Eastern Atlantic: Iceland and western Barents Sea to South Africa, including the Mediterranean. Southwest Pacific: Australia and New Zealand. Southeast Pacific: Chile. Southern Ocean: off South Georgia and the Kerguelen Islands. Indian Ocean.
Conservation status (IUCN)
Vulnerable (VU) (A2bd+3d+4bd)
Threat to humans
Traumatogenic
Uses
Fisheries: commercial; gamefish: yes
Resilience
Very Low, minimum population doubling time more than 14 years (K=0.12; tm=5; tmax=30; Fec=1-5)

Sources

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

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