Fish of the Oncorhynchus genus of the Salmoninae subfamily of the Salmonidae family of the Salmoniformes order of the Protacanthopterygii superorder.
(Rainbow trout. Photo © fisheyeguyphotography.com)
Rainbow trout (Oncorhynchus mykiss) was first described in 1792 by the German naturalist Johann Julius Walbaum (1724 – 1799). Initially, it’s the endemic of the Pacific Ocean basin. It inhabits fast-flowing rivers and lakes with cool water. The recorded maximum length is 122 cm. Specimens up to 60 cm long are more common. The maximum weight is 25.4 kilograms. It feeds on invertebrates and fishes.
(Rainbow trout. Photo © info.nthrys.org)
It’s an invasive species. It acclimatized and inhabits rivers and lakes of Albania, Bosnia and Herzegovina, Italy, Slovenia, Croatia and Montenegro.
Names of rainbow trout (Oncorhynchus mykiss) in other languages are as follows:
Trofta e ylbertë (Albanian), Дъгова пъстърва (Дигова пистирва) (Bulgarian), Szivárványos pisztráng (Hungarian), Regenboogforel (Dutch), Αμερικάνικη πέστροφα (Amerikaniki pestrofa) (Greek), Trucha arco iris (Spanish), Trota iridea, Trota arcobaleno (Italian), Regenbogenforelle (German), Pstrąg tęczowy (Polish), Truta-arco-íris (Portuguese), Радужная форель (Raduznaja forelj), Микижа (Mikizha) (Russian), Păstrăv curcubeu (Romanian), Dužićasta pastrmka, Kalifornijska pastrmka (Serbian), Kalifornijska pastrva (Croatian), Šarenka (Slovenian), Gökkuşağı alabalığı, Çelikbaş (Turkish), Truite arc-en-ciel (French), Pstruh duhový (Czech).