Cornish Biodiversity Network  -  Supporting Wildlife Recording

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Cornish Red Data (2009)

The descriptive text, below the map, is from the Cornish Red Data Book (2009). The map on this web page depicts the organisms distribution and shows the records made pre-2000 and those made since.

Alopias vulpinus - Thresher Shark



Habitat & Distribution

A very wide-ranging, oceanic-epipelagic shark present in all oceans. They are uncommon but are regularly encountered off the south coast of Cornwall. The populations in the North Atlantic are believed to have declined to 30% of their previous biomass due to fishing pressures. They are targeted for their flesh and fins. Although listed on the IUCN (2007) Red List as Data Deficient, they are almost certainly declining and vulnerable.

Source:

I.J. Bennallick, S. Board, C.N. French, P.A. Gainey, C. Neil, R. Parslow, A. Spalding and P.E. Tompsett. eds. 2009. Red Data Book for Cornwall and the Isles of Scilly. 2nd Edition.Croceago Press.

The Cornish Red Data Book Project was led by the Cornwall and Isles of Scilly Federation for Biological Recorders (CISFBR). The full text and species accounts (minus the maps) are available on the CISFBR website.