two beautiful duplicarius corydoras catfish fresh water aquarium gravel cleanest planted tanks plants growing under water

aquarium beautiful catfish cleanest corydoras duplicarius fresh gravel growing planted plants tanks two under water cutthroat dab dace daggertooth damselfish danio darter dartfish dealfish death deep deepwater delta demoiselle dempsey denticle desert devario devil dhufish diplodus discus diver dogfish dogteeth dojo dolly dolphin dorab dorado dory dottyback dragon dragonet dragonfish driftfish driftwood drum duckbill dusky dwarf eagle earthworm goby eelpout eeltail elasmobranch electric elephant elephantnose elver ember emerald emperor escolar eucla eulachon european false fangtooth fathead featherback fierasfer filefish finback