FURVERT!

5:4 animal_genitalia animal_penis aquatic archaeocete basilosaurid basilosaurus bent_back black_border border captein cetacean cetacean_genitalia cetacean_penis dorsal_fin erection feral fin genitals grey_body looking_at_genitalia looking_at_own_penis looking_at_penis looking_at_self male mammal narrowed_eyes penis prehistoric_species solo swimming tail tail_fin tapering_penis underwater water whale