Achaeus spinosus dressed in polyps/hydroids
Air Bajo I, Lembeh.
These crabs dress on different types of hydroids and polyps that help them fish prey and camouflage!
See this article for more info:
https://www.theguardian.com/science/blog/2018/jan/30/gone-fishin-decorator-crabs-use-other-species-as-fishing-rods-study-reveals
''Achaeus spinosus'' is a small decapod which belongs to the large family of the Inachidae or the spider crabs.
Similar species: Ten-footed Crustaceans
By Patomarazul
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Uploaded Jun 16, 2019. Captured May 31, 2018 05:13 in Unnamed Road, Kareko, Lembeh Utara, Kota Bitung, Sulawesi Utara, Indonesia.