harlequin rasbora freshwater fish - trigonostigma heteromorpha

animal aqua aquaculture aquaria aquarists aquarium aquatic aquaworld background beautiful beauty black blue clear closeup color colorful colourful culture cyprinidae decorative eleotridae endemic exotic eye fauna female fin fins fish fishkeeping fishtank fresh freshwater glow glowing gravel green guarding harlequin head heteromorpha hobby hump isolated jungle juvenile keeping live male natural nature panda pet photo photography posing rainforest rare rasbora rasboras red river rivergraphy riverine sand small species spot streams swim tank trigonostigma tropic tropical underwater unique water wildlife