#5 Animals That Change Color: Seahorse — Wearing Their Hearts on Their Skin There are 43 recognized species of seahorse , but they all have in common the ability to change their color on a whim.
An evolutionary trait almost always occurs for a reason; this raises the question of why animals would gain the ability to see distinctions in bright color long before they would need to.
How Animals Change Color The chameleon is only one of many creatures that possess special cells for this purpose. Notable among the others: the catfish, the flounder, the tree toad, the squid and man ...