| Mrs. Tuskfish
is the cafeteria lady in the underwater wing of Charles Darwin Middle School
. She bears uncanny resemblance to the on-land cafeteria lady, Mrs. Tusk
. She appeared in "The Little Mermonkey
- Her species is unknown, though two possibilities could be a Cusk (also known as a Tusk) or a Mormyridae (also known as an Elephantfish), due to their punny names.