Fire Corals, Hydroids and Siphonophores (Hydrozoa)

 

The Hydrozoa encompasses ca. 3,700 species of hydroids, fire corals, limnomedusae, trachymedusae, siphonophores, etc. They occur in nearly all marine habitats throughout the world, but a few species inhabit in fresh and brackish water. Most hydrozoans have both sessile or sedentary polyp and free-swimming medusae stages in their life cycle. They feed primarily on zooplankton.

 

Anthomedusae
Fire Corals (Milleporidae)
		Blade Fire Coral (Millepora complanata)
Sea Fan Hydroids (Solanderiidae)

 

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