Rule 34 Dev - algae ambiguous_gender feral fin pincers scales seaweed tail tail_fin tentacles text underwater water adolphe_millot public_domain annelid anthozoan arachnid arthropod asterozoan barnacle bivalve bristle_worm brittle_star cnidarian comb_jelly coral crab crustacean ctenophore decapoda echinoderm echinozoan feather_duster_worm fiddler_crab fish flatfish goose_barnacle hermit_crab horseshoe_crab hydrozoan jellyfish leafy_seadragon lobster malacostracan man_o'_war_(medusozoa) marine maxillopod medusozoan mollusk ocypodid oyster plaice sea_anemone sea_cucumber sea_fan sea_pen sea_sponge sea_urchin seadragon_(fish) shrimp siphonophore snake_star starfish sun_star syngnathid syngnathiform worm wrasse absurd_res ancient_art biological_illustration hi_res signature technical_illustration traditional_media_(artwork) zoological_illustration|19881404865