I think you want the words "sea anemone".
Caribbean Sea is the correct way to spell it, as you have it in the question.
Mediterranean Sea
Caspian Sea .
Mar a mar.
The correct spelling is the 'Caribbean Sea'
sea-side
see
The sea "snail".
The name of the sea between Europe and Africa is the Mediterranean Sea.
The plural form of the noun 'sea' is seas.
It is spelt Mediterranean.
hippocampe