Question

Do Lampetra fluviatilis have an operculum?

Answer 1

Operculum:

In bony fish and chimeras, the operculum is a collection of bones that serves as the face's support structure as well as a protective covering for the gills, respiration, and feeding.

Lampetra fluviatilis:

1. A species of lamprey belonging to the northern lamprey family is called Lampetra fluviatilis. They are connected to habitats near freshwater.
2. It is also referred to as the river's lamprey or lampern.
3. It has no jaws and a circular mouth that resembles a sucker and has an inner circle of enormous teeth and an outer circle of smaller teeth.
4. This species lacks an operculum.