This results in a phenotype similar to that of Belgian Blue cattle in rainbow trout. The scientific name of the rainbow trout is . Steelhead are also larger and less colorful than rainbow trout. It is a noted trout fishery with stocks of introduced brown and rainbow trout. Anglers target walleye and yellow perch, with some effort directed at rainbow trout. Studies report that nonylphenol competitively displaces estrogen from its receptor site in rainbow trout. The loch is stocked with rainbow trout. The lake is home to several species of fish, including rainbow trout and kokanee. Trout including brook trout, lake trout, rainbow trout and splake are also found. The introduced species included brown trout from England and rainbow trout from California. The archipelago is well known for its Baltic herring and rainbow trout products. Diclofenac has been shown also to harm freshwater fish species such as rainbow trout. Anglers have a choice of brown and rainbow trout, catfish, and bass. The river is considered a prime habitat for Chinook salmon, Coho salmon, and rainbow trout. For example, alginic acid enhances the immune system of rainbow trout.