Chondracanthus merluccii is a species of copepod in the family Chondracanthidae.
It is a host-specific ectoparasite of the European hake (Merluccius merluccius).
It was first described in 1802 by the Danish zoologist Hans Severin Holten who named it Lernaea merluccii.
[1] Both adult females and adult males cling onto the lining of the floor of the mouth and onto the gills of the host fish.
[2]