MeSH definition : A genus of primitive fish in the family Petromyzontidae. The sole species is Petromyzon
marinus, known as the sea lamprey. The adult form feeds parasitically on other fish
species.;
A genus of primitive fish in the family Petromyzontidae. The sole species is Petromyzon
marinus, known as the sea lamprey. The adult form feeds parasitically on other fish
species.