Males have white flanks with 8–11 dark vertical bars and a dark dorsal fin with yellow horizontal bars. Females are yellowish with numerous small brown spots and a lateral row of larger brown spots.
Forages in shallow water among stones and vegetation.
Pupfish feed on insect larvae and small crustaceans.
Endangered due to loss of habitat and introduced species. Endemic to the Azraq Oasis and the only native finfish found there.