Pandaka pygmaea, the
dwarf pygmy goby, (also known as the Philippine goby) is a
tropical freshwater fish of the
family Gobiidae. It is one of the smallest fish in the world by mass, and is also one of the shortest freshwater fish. Mature males can reach up to
SL, while the females can grow up to SL. Average weight is from . It is known as
bia and
tabios in the
Philippines.