Siphonophores - The longest animals on the planet Cousins of corals, siphonophores are colonies of specialized individuals called zoids. Some catch and digest their prey, others swim, or lay eggs or sperm.
Dinoflagellates Ceratium platycorne var platycorne (Photo : Sophie Marro)
Dinoflagellate Ceratium azoricum (Photo : Sophie Marro)
