opercular bone meaning in Hindi

Examples

1. It has several features that distinguish it from other lophiids, in particular regarding its opercular bones.
2. Along the belly are a series of spinous scutes & mdash; opercular bones are free of any spines or serrations.
3. In preserved specimens the lateral band extending from the tip of snout to the caudal peduncle is more evident on the second half of the body; vertical blotches are more enlarged on sides of caudal peduncle; a large blackish spot on the opercular bone; ventral region of body and caudal peduncle, which extend about 1 / 3 of body depth, yellowish; all fins yellowish with few scattered melanophores; peritoneal membrane silvery with few scattered melanophores.