The Common Comet Star (Linckia Guildingi), is a species of Starfish that is native to the Western Atlantic and Indo-Pacific region.
See The 'Green Comet' Close To The Big Dipper After Sunset This
Common Comet Star - Snorkelverse
From the field: In the sea, comets become stars. – Invertebrate
Sea star underwater, a common comet star, Linckia guildingii in
Linckia guildingi Common Comet Star, Guilding's sea star, Green
Linckia guildingi Common Comet Star, Guilding's sea star, Green
Linckia guildingi - Common comet star
Snorkeling with clownfish at Koh Rok Noi - Snorkelverse
Linckia guildingi Common Comet Star, Guilding's sea star, Green