Size

Colony height: reaching 30-45cm (12-18")

Recognition Characters

Pinnate branching in single planes. Branchlets are short, stiff, and widely spaced. Hard, rough calyces; each has a distinctive, long, sharp terminal spine.

Color

Branches are whitish to light gray or yellow-brown; polyps are yellowish brown.

Habitat & Depth

Attach to mixed sandy-hard bottom substrates. Found in clearer water reefs, moderate to deep fore reef environments to 40m.

Distribution at GRNMS

Rare.

Geographic Range

Occasional Caribbean

Behavior & Notes

Synonyms

References

Humann 1992b