This section provides introductory information on some of the fish species caught by anglers and recorded in fisheries surveys around Ireland’s rivers, lakes, estuaries and coastal waters.

River lamprey (Lampetra fluviatilis)

A brief description of the biology and ecology of river lamprey (Lampetra fluviatilis) in Ireland.

Allis shad (Alosa alosa)

A brief description of the biology and ecology of allis shad (Alosa alosa) in Ireland.

Twaite shad (Alosa fallax)

A brief description of the biology and ecology of twaite shad (Alosa fallax) in Ireland.

European eel (Anguilla anguilla)

A brief description of the biology and ecology of European eel (Anguilla anguilla) in Ireland.

Sea trout (Salmo trutta trutta)

A brief description of the biology and ecology of sea trout (Salmo trutta trutta) in Ireland.

Pink salmon (Oncorhynchus gorbuscha)

A brief description of the biology and ecology of pink salmon (Oncorhynchus gorbuscha) in Ireland.

Smelt (Osmerus eperlanus)

A brief description of the biology and ecology of smelt (Osmerus eperlanus) in Ireland.

Three-spined stickleback (Gasterosteus aculeatus)

A brief description of the biology and ecology of three-spined stickleback (Gasterosteus aculeatus) in Ireland.

Nine-spined stickleback (Pungitius pungitius)

A brief description of the biology and ecology of nine-spined stickleback (Pungitius pungitius) in Ireland.

Roach (Rutilus rutilus)

A brief description of the biology and ecology of roach (Rutilus rutilus) in Ireland.

Chub (Squalius cephalus)

A brief description of the biology and ecology of chub (Squalius cephalus) in Ireland.

Dace (Leuciscus leucisus)

A brief description of the biology and ecology of dace (Leuciscus leucisus) in Ireland.