Bumblebee goby
Brachygobius doriae, the bumblebee goby, is a species of goby native to fresh and brackish waters of Indonesia, Brunei and Singapore, Malaysia, Cambodia, Thailand and Vietnam. This species can reach a length of 4.2 centimetres (1.7 in) TL. It is listed as Least Concern as no threats are known and it is popular in the aquarium trade.
