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.

Sea lamprey (Petromyzon marinus)

A brief description of the biology and ecology of sea lamprey (Petromyzon marinus) in Ireland.

Twaite shad (Alosa fallax)

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

Allis shad (Alosa alosa)

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

European eel (Anguilla anguilla)

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

Atlantic salmon (Salmo salar)

A brief description of the biology and ecology of Atlantic salmon (Salmo salar) 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.