This study was conducted to identify the genera and species of mullets in Bardawil lagoon, and this study should be a reference for researchers to identify and differentiate among species. To distinguish among species, it took the formal and anatomical characteristics, it became clear through the study, that there are six species belongs to three genera (Mugil, Liza and Chelon). Four species belong to the genus Liza (Liza ramada, Liza aurata, Liza saliens and Liza carinata). One species belongs to the genus Mugil (Mugil cephalus). While one of the species belongs to the genus Chelon (Chelon labrosus). Results showed that the most common characteristic of each type are: Mugil cephalus distinguished by the eye is covered with a transparent lipid membrane, the pyloric caeca have 2 caeca. Liza ramada distinguished by fusiform and not plump, the nose is widely space, short, between scales, the caudal fin is deep and forked. Liza aurata distinguished by the body is compress on both sides with an oval section on the sides, there is a golden spot on the cheek. Liza saliens distinguished by having long pyloric caeca from the rest of the mullet family. Liza carinata distinguished by developed the oily eyelid of the eye to an extent, the pyloric caeca have 5 caeca. Chelon labrosus distinguished by the body is full, and the head is broad and flat, the lips were cracked and smooth, and the upper lip is thick and has papillae.