anthro candy_(character) cetacean clothing costume dolphin dolphin_costume female fish fish_costume group hi_res male mammal marine martha_mink merfolk mermaid_costume mink mustelid musteline olive_(penmark_character) pen_(character) penmark rock seahorse seahorse_costume split_form syngnathid syngnathiform toothed_whale true_musteline water  battle_for_dream_island duo hi_res humanoid male male/male masturbation object_shows pen_(character) questionable_consent slit_penetration tree_(character)