Tag: Coral

Animalia: Cnidaria: Anthozoa: Pennatulacea: Pennatulidae: Pennatula: Pennatula aculeata (Danielssen, 1860) Sea pens are colonial marine cnidarians found worldwide and normally at depths greater than 10 meters. Sea pens prefer deeper waters because they can avoid uprooting due to water turbulence. They live most of their lives in a sessile (immobile) state, however they can relocate…