Seals and Crofts and Seals & Crofts by KitchenB

Question 4

The Pokemon Seel's name is a corruption of the word "seal". Its evolution's name is also a corruption of a name of an aquatic mammal, this time a member of the order Sirenia with the manatee. WHAT'S THE EVOLUTION'S NAME? (The name of the animal it's named after is fine as well.)