Reef scene with cylindrical porous (Porites sp.) coral.

    (Paaw Reef, Yap, Federated States of Micronesia)

cnidaria; coral; hexacoral; stony coral; cylindrical porous coral; Cnidaria; Anthozoa; subC Zoantharia or Hexacorallia; Scleractinia; Poritidae; Porites cylindrica; Porites nigrescens, coral reef scene, South Pacific