Atolla jellyfishβ • Bloodbelly comb jellyfishβ • Brisingida starfish • Cannonball jellyfish • Cauliflower jellyfishβ • Common starfish • Crown-of-thorns starfishβ • Giraffe seahorseβ • Hedgehog seahorseβ • Hermit crab • Jayakar's seahorse • Mantis shrimp • Pink meanie jellyfishβ • Pom-pom crab • Red knob starfishβ • Sea anemone β • Sea slug • Shiho's seahorseβ • Skunk cleaner shrimp • Sunflower sea starβ • Venus's flower basket • Whelk
Chambered nautilusβ • Eight-armed starfish • Fuschia flatwormβ • Giant isopodβ • Leafy seadragonβ • Ruby seadragon • Sexy shrimpβ • Upside-down jellyfish
Arrow crab • Blue crabβ • Blue lobster • Blue starfishβ • Calico lobster • Cotton candy lobsterβ • Flowerhat jellyfish • Harlequin shrimpβ • Horseshoe crabβ • Mauve stinger jellyfish • Split-colored lobsterβ • Stone crabβ • Tigertail seahorse • White-spotted jellyfish • Yeti crab