Epinephelus labriformis by day and crustaceans after dark. Spawning occurs in late summer. Epinephelus labriformis Epinephelus labriformis, commonly called starry grouper or flag cabrilla among various other vernacular names, is a species of marine fish in the family Serranidae. The starry grouper is medium-sized fish which grows up to 60 cm. From: "The body of the starry grouper is robust and compressed. The end of the top jaw is exposed. The operculum edge has 3 flat spines; the pre-operculum is without spines. The caudal fin is rounded. The lateral line is complete, it ends at the caudal fin base and is smoothly
Operculum (gastropod) pentagram-shaped, and is used to dig into the sand to enable the conch to perform a leaping type of locomotion. The structure of the operculum can be described as follows: In 1998 Checa and Jimeneze proposed three types of opercula: There are two basic types of opercula in terms of their material composition: The different shapes of opercula can include ungulate (hooflike), claw-like, or ovate. The type and shape of the operculum is used to help identify and classify related groups (genera) of land operculates, and likewise some marine operculates. The oldest known human depiction of an operculum together with