Bronze Featherback

Found in both brackish and clear waters, of canals, floodplains, lakes, ponds, and streams, migrating in the wet season to floodplains, then back to main stream waters in the dry season.
Widespread Asia

Rare in the aquarium trade as outgrows the largest tank!
Notopterids have specialized swim bladders. The organ extends throughout the body and even into the fins and can absorb oxygen from air and also functions to produce sound by squeezing air.