Smooth Butterfly Ray – Discover Fishes https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/smooth-butterfly-ray/
Gymnura micrura This diamond-shaped ray is much wider than it is long, usually 3 to 4 feet wide, and its short tail lacks the ray’s usual spine. It can vary from light brown to gray to greenish, with lighter or darker spots, and can manipulate its shading to blend better into its background. It i
Danger to Humans This is a small ray that does not possess a spine.