Akademik

marine polyps that resemble flowers but have oral rings of tentacles; differ from corals in forming no hard skeleton

noun, pl ⋯ -nes [count]

: a small, brightly colored sea animal that looks like a flower and sticks to rocks, coral, etc.

ˈsea anemone f29 [sea anemone] noun

a simple, brightly coloured sea creature that sticks onto rocks and looks like a flower