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Project Noah Nature School
Costasiella usagi
Tiny Nudibranch, around 3-4 mm in size. Similar to another species - Costasiella kuroshimae, they are found on algae on sandy bottom in the shallows. Also fondly callled - Shaun the Sheep nudibranch.
New Organism to Project Noah
Spotted on Jul 17, 2017
Submitted on Aug 11, 2017
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