Irish pollan (Coregonus pollan)

Scientific name: Coregonus pollan Thompson, 1835

The Irish pollan (Coregonus pollan) is a freshwater fish of the family Salmonidae. Native range: Europe, Ireland: Lough Neagh, lower and upper Loughs Erne, Lough Ree and Lough Derg. Appendix III of the Bern Convention (protected fauna).

Biology

Lacustrine, in open waters. Feeds on bottom invertebrates and on semi-pelagic crustaceans (Mysis relicta), and also on their own eggs. Status of threat: Threatened by eutrophication, introductions and warming of lakes. Only remaining abundant population in Lough Neagh.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Coregonus pollan
Family
Salmonidae (Salmonids)
Order
Salmoniformes (Salmons)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
35.0
Common length
30.0
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
Europe: Ireland: Lough Neagh, lower and upper Loughs Erne, Lough Ree and Lough Derg. Appendix III of the Bern Convention (protected fauna).
Conservation status (IUCN)
Endangered (EN) (B1ab(iii)+2ab(iii))
Threat to humans
Harmless
Uses
Fisheries: commercial
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.65; tm=3-4; tmax=10)

Sources

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

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