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| hard corals text index | photo index |
| Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Fungiidae |
| Long
mushroom corals How to tell them apart? updated Nov 2019 These elongated mushroom corals that lie unattached to the ground may look similar at first glance. Here's more on how to tell them apart. |
 Central groove may not be distinct. |
 Short, petal-shaped walls that form radial patterns, instead of parallel lines. Tentacles tiny. |
 Long distinct central groove. |
 Walls in several short overlapping lines running perpendicular to central groove to the edge. Tentacles tiny. |
 Long distinct central furrow. |
 Walls in thin generally unbroken lines running perpendicular to central groove to the edge. Tentacles tiny, very sparse. |
 Central furrow distinct in various lengths. |
 Walls in several long overlapping lines running perpendicular to central groove to the edge. Wall teeth tiny not obvious when covered by tissue. Tentacles tiny. |
