Phylum Echinodermata > Class Stelleroida > Subclass Asteroidea
Red scaly sea star
Nepanthia sp.

Family Asterinidae
updated Oct 08

Where seen? This small sea star is sometimes seen on undisturbed Northern shores on sandy areas near seagrasses. It appears to be seasonal. Usually seen alone.

Features:
Diameter with arms 5-7cm. A rounded star (not flat) with long plump arms like half a cylinder with a flat base and rounded tips. It usually has five arms, but some with four and six arms have been seen.
The upper side is covered with 'scales'. When submerged tiny transparent finger-like structures (papulae) might be seen on the upperside.

Cyrene Reef, May 08
Colours vary from red to brown with mottled, irregular patterns that blend well with the surroundings.

The underside is pale, with orange or red grooves where the tube feet emerge. The long tube feet are tipped with suckers.

According to Lane it was first seen in Singapore in the 1930s and rediscovered in 1991.

Upperside with 'scales' and papulae.

Underside.

Red scaly sea stars on Singapore shores


Beting Bronok, Aug 05

Madreporite

Papulae emerging on upperside.


Cyrene Reef, Jul 08

more photos of red scaly sea stars on Singapore shores
northern shores part 1 | part 2 | part 3
southern shores

References
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