BROWN TROUT
Salmo trutta F. and B. Ir. Breac; Fr. Truite; Ge. Forelle; Du. Forel ;It. Trota; Sp. Trucha. Build varies according to feeding. Coloration very variable. In acid waters, usually olive, bronze and gold, with numerous black and red spots; dark spots more or less round and often surrounded with a pale ring (ocellated). In limestone waters, often silvery, with x-shaped black spots and few or no red spots (except foradipose fin). Numerous spots on gill-covers and cheeks, not regularly arranged. Tail-fin usually not spotted, but spots may be present, especially on the upper lobe, in some large lake trout. Size very variable, from 2 oz. to over 20 lb. according to habitat and food supply.

RAINBOW TROUT
Salmo gairdneri F. Ir. Breac ioldaite; Fr. Truite are-en-ciel, Ge. Regenbogenforelle; Du. Regenboogforel; It. Trota iridea; Sp. Trucha arco-iris. Coloration variable according to habitat. In acid waters, greenish on the back, with a vivid rosy flush on the gill cover and along the side. In alkaline waters, rainbows are more silvery and the bar along the side is, at most, slightly pink. Black spots only, absent from cheek and gill-cover and also, for the most part, along the mid-line of the sides. Tailfin heavily spotted. Sometimes faint spots on anal and pelvic fins also. In Irish waters, grows to, about 10 lb.

CHAR
Salvelinus alpinus F. Ir. Breac dearg; Fr. Omble-chevalier; Ge. Seesaibling It. Salmerino; Sp. Salvelino. Troutlike fish, occurring in some deep lakes. Coloration variable, according to habitat, sex and breeding conditions. Olive or bluegrey above, becoming lighter on the sides. Some fish, especially breeding males, become red or orange on the belly and have the lower fins pink or red, with cream or white edges. Char have pale spots on a dark ground, whereas trout and salmon have dark spots on a light ground. In Irish waters, char grow to about 1.5lb. but are often much smaller. Several types of Irish char have been recognised.

POLLAN
Coregonus albula F. Blue-backed, silvery, fork-tailed, herring-like fish occurring in shoals in Lough Neagh, Lough Ree, Lough Derg and the Erne lakes. Allied to trout and salmon it has an adipose fin, but no spots. Grows to about 1.5 lbs.