 One of the smallest fish based on the minimum size at maturity is "Paedocypris progenetica" from Indonesia, with mature females measuring as little as in standard length.This fish, a member of the carp family, has a translucent body and a head unprotected by a skeleton.One of smallest fish based on the minimum size at maturity is "Schindleria brevipinguis" from Australia, their females reach 7 mm (0.28 in) and males 6.5 mm (0.26 in), Males of "S. brevipinguis" have an average standard length of ; a gravid female was .