ommercial aquarium with juvenile pearl gourami and danio rerio, popular artificial aqua trade breeds of widespread ornamental fish

aggressive animal aqua aquaculture aquarium artificial asia asian breeds bright business clear colorful commercial conditions controlled creature cyprinidae danio decorative ecology fauna fish fishkeeping freshwater friendly glo gourami habitat hobby ichthyology instinct juvenile leerii little macro market mosaic ornamental osphronemidae overcrowded overpopulated peaceful pearl pet phlegmatic popular protection rerio sale smart species specimen swim tank threat trade trichopodus tropical underwater vulnerable water widespread young zebrafish