Ключевые слова: angling, aquaculture, aquafarming, aquatic, bred, breeding, closeup, eggs, fertilisation, fish, fish farming, fishing, hatchery, hybrid, intergeneric, markings, pattern, piscivorous, predator, predatory, salmo trutta, salvelinus fontinalis, shoal, sideview, species, sport, spots, sterile, sunlight, swimming, tiger trout, trout, underwater, vermiculations, water,