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Phylum Echinodermata > Class Stellaroida > Subclass Ophiuroidea
Tiny orange brittle stars
Ophiothela mirabilis*
Family Ophiotrichidae
updated Oct 2024

Where seen? These tiny brittle stars are sometimes seen on Asparagus soft corals, various soft corals and other cnidarians. A single host can be home to many of these tiny brittle stars.

Features: Whole animal about 1cm wide. 5-6 arms with very small spines, held flat, along the sides of the arm. Uniformly bright orange. Sometimes confused with the Tiny colourful brittle star which are more colorful and found on a wider variety of animals.

Pulau Semakau, Oct 11
In asparagus soft coral.

Pulau Jong, Aug 20
In asparagus soft coral.
Sometimes confused with the Tiny colourful brittle star which have colourful bands on their arms and central disk also with colourful markings. The two kinds of tiny brittle stars are sometimes seen together.

On pencil sea urchin spine.

Cyrene Reef, Feb 16
Photo shared by Loh Kok Sheng on his blog.

Chek Jawa, Oct 16
In Spiky flowery soft coral

Cyrene Reef, Aug 20
In Leathery sea fan

*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display

Tiny orange brittle stars on Singapore shores
On wildsingapore flickr

Other sightings on Singapore shores


On Black-and-white leathery soft coral.
Terumbu Hantu, Aug 23

Photo shared by Johnathan Tan on facebook .
.
On Black-and-white leathery soft coral.
Big Sisters Island, Sep 20

Photo shared by Vincent Choo on facebook

Small Sisters Island, Aug 21
Photo shared by Loh Kok Sheng on facebook .


Lazarus Island, Jan 24
Photo shared by Kelvin Yong on facebook .

Terumbu Bemban, Apr 24
Photo shared by Che Cheng Neo on facebook .

Acknowlegement
Thanks to Dr Neo Mei Lin for the identifcation.

Links

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