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Herdmania momus
H. momus is a solitary ascidian and one of the most commonly encountered species of sea squirts or tunicates. It is also sometimes called Red-throated Ascidian, due to the vivid red color of its two siphons. However, solitary ascidians are usually covered in algae that the coloration is often obscured. Also, when found at depth, the red coloration may not be visible (as lower frequencies of light are absorbed by the layers of water above).
Like all ascidians, H. momus is a sessile filter feeder. It is commonly found attached to rocks from depths of 3 to 50m. Distribution: widespread circumtropical.
Spotted on Jan 15, 2012
Submitted on Jul 21, 2012
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