trichogaster lalius, popular aquarium freshwater gourami fish male from south asia, on white background

adult anatomy animal aqua aquarium aquatic asia asian background bred breed bright clear closeup creature decorative dwarf easy ecology environment fauna fin fish fishkeeping freshwater gourami isolate isolated keep labyrinth lalius line live macro male natural nature ornamental peaceful photo popular red river side south stripe swim tank trichogaster tropical underwater view water white widespread yellow