Ireland
Checklist of Endemic Marine Fish Species
This list of marine fish species found exclusively in Ireland is based on the taxonomy used in Eschmeyer's Catalog of Fishes (2023). For further details on possible inaccuracies in the list see Sources & Caveats.
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds) 2023 Catalog of Fishes: Genera, Species, References. Version downloaded 9 February 2023 https://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp
The current version can be accessed here
The following deep-sea species (below 200 m) have been recorded only from Ireland:
Microichthys grandis + (Acropomatiformes Epigonidae) Great Deepwater Cardinalfish
Careproctus
aciculipunctatus (Perciformes Liparidae) Finelyspeckled
Snailfish
Careproctus merretti
(Perciformes Liparidae)
Paraliparis abyssorum
(Perciformes Liparidae)