Rule 34 Dev - ambiguous_gender feral fin gills lure_(anatomy) open_mouth scales tail tail_fin text underwater water adolphe_millot public_domain anglerfish anthozoan aquatic_gastropod arthropod asterozoan black_dragon_fish bobtail_eel brittle_star cnidarian crab crinoid crustacean decapoda echinoderm echinozoan eel fish gastropod gulper_eel hermit_crab lobster malacostracan marine mollusk mysid_shrimp pelican_eel sea_anemone sea_cucumber sea_slug sea_spider sea_urchin shark shrimp slug snipe_eel squat_lobster starfish stoplight_loosejaw tripod_fish absurd_res ancient_art biological_illustration hi_res technical_illustration traditional_media_(artwork) zoological_illustration|19881409310