MICROSCOPIC HAIRS IN INNER EAR: Inner ear help divers know their up down orientation in water. Sounds under water are magnified. When we hear sounds (whether under water or above) microscopic hairs in our inner ears vibrate.
Branching sponges are veritable magnets for seahorses. Colorful natural hitching posts like this will encourage brightly colored seahorses such as this Ocean Rider Hippocampus erectus to retain their vivid wardrobes." Photo by Leslie Leddo
If sea creatures were Marvel comic book characters, the peacock mantis shrimp would be Thor. These colorful crustaceans have a hammerlike claw that can smash prey with the acceleration of a bullet — not unlike the superhero’s mythological weapon.