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Family

Plexauridae

Common Name(s)

Dwarf sea rod, Dwarf plexaurella

Colony Form

Low to moderate height, bushy, laterally branched

Axis

Present

Branches

End branches short or long, straight or curved, crowded or sparse, 3.5-4.5 mm in diameter, often with slightly swollen tips.

Apertures

With raised rims.

Mucus

None

Color

Pale tan, putty; dries tan, putty

Sclerites

Outer layer: minute sexradiates ~0.05-0.1 mm long. Middle layer: belted spindles, straight or bent, ~0.3 mm long, with a few triradiates and butterfly-forms. Axial layer: straight blunt spindles with warts in transverse belts, 0.2 mm long, with a few butterfly-forms, which become stouter near colony base and accompanied by more numerous capstans.

Habitat

On reefs.

Distribution

Known chiefly from Brazil; possible records from Lesser Antilles, Caribbean coast of Mexico and west coast of Florida. Depths unknown.

Notes

Low, bushy growth form with crowded branches may resemble Eunicea fusca. Branches tend to be more slender than those of otherPlexaurella species. Oval, more widely spaced apertures distinguish it from Eunicea species. Wirtz et al. (2009) recorded two unidentified shrimp as symbionts.

Date Taken

4-11-2016

 
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