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.
Favites sp under high magnification reveals interesting patterns that form stripes. Aquarists and divers will only recognize this coral if they take many steps back from the screen as the whole area is of fingernail size.