Pollan (Coregonus pollan)
… is endemic to Ireland, which means that it is a native species that is only found in Ireland, making it a very … as whitefish in the fish family Salmonidae, along with salmon, trout and char. The pollan ( Coregonus pollan ) is … and ecology of sea trout (Salmo trutta trutta) in Ireland. Atlantic salmon (Salmo salar) A brief description of the …
Atlantic salmon (Salmo salar)
… The Atlantic salmon is native to Ireland, and its geographic … or silver in colour. Salmon that mature after one year at sea are called grilse and usually return to rivers in … or more winters at sea. Atlantic salmon are an emblematic species for Ireland and are extremely valuable for angling …
Sea trout (Salmo trutta trutta)
… along the west coast. Sea trout are part of the same species as brown trout: brown trout spend their entire lives … as maidens may not return to spawn for at least one year. Sea trout can range widely along the coast, moving in … and ecology of ferox trout (Salmo ferox) in Ireland. Atlantic salmon (Salmo salar) A brief description of the …
Ferox trout (Salmo ferox)
… of fish prey, and they have been known to switch between species, for example, in Lough Corrib, where they switched between Arctic char and roach. Recent research by the Ferox Trout Study in Lough Corrib and Lough … and ecology of sea trout (Salmo trutta trutta) in Ireland. Atlantic salmon (Salmo salar) A brief description of the …
Research theme: Fish ageing techniques
… Fish ageing is a fundamental element of fisheries research and provides scientists with lots of valuable … with new layers of growth deposited around the scale each year. These growth rings are called circuli, and the gaps … because they are easy to collect and store. For some fish species, scales are difficult to age, and other fish species …
Brown trout (Salmo trutta)
… and parts of northern Africa. As a favourite angling species, brown trout have been widely introduced to other … and ecology of sea trout (Salmo trutta trutta) in Ireland. Atlantic salmon (Salmo salar) A brief description of the biology and …
Rainbow trout (Oncorhynchus mykiss)
… as a game fish when stocked into angling waters. The species is also widely cultivated for food by commercial … populations. Freshwater Related Species Pink salmon (Oncorhynchus gorbuscha) A brief description of the … and ecology of pollan (Coregonus pollan) in Ireland. Atlantic salmon (Salmo salar) A brief description of the …
Research theme: Tagging and telemetry
… to study the lives and habits both of highly mobile fish species that migrate long distances (e.g. blue shark) and of … Ultimately, the tagging method used will depend on the research question to be answered, budget, the habitat (e.g. … species that are tagged by Inland Fisheries Ireland are Atlantic salmon, sea trout, brown trout, eels, pike, bass …
Pink salmon (Oncorhynchus gorbuscha)
… sea. Because they die after spawning once (a semelparous species), this means that pink salmon populations typically have a two-year life cycle for migration and spawning: pink salmon born … in 2019, 2021 and 2023. Pink salmon differ from Atlantic salmon in following ways: Large black oval spots on …
Arctic char (Salvelinus alpinus)
… Russia. In Ireland, the Arctic char is a glacial relict species, which means that char populations found in Ireland … and ecology of sea trout (Salmo trutta trutta) in Ireland. Atlantic salmon (Salmo salar) A brief description of the biology and …