Drum Favourites | 水產百科網
Aswellascamouflagingthecrab,thespongecanoftentastebad,makingpotentialpredatorsreluctanttoeatit.Thespongeorotherencrustinganimalonthe ...
Andrew Hosies blog | Created 9 years ago
Austrodromidia australis belongs to the Dromiidae family, commonly known as the sponge crabs. These unique creatures actually carry a well-fitting camouflage cap of living sponge or ascidian (sea squirt) over their back which they trim and keep tidy. As well as camouflaging the crab, the sponge can often taste bad, making potential predators reluctant to eat it. The sponge or other encrusting animal on the back of the Dromiid can often be larger than the crab itself. The morphology of these species is similar to other crabs however the last pair of legs is modified to hold the sponge, bending up and over the carapace or shell and often ending in a small pincer.
The Southern Sponge Crab, Austrodromidia australis. Image copyright WA Museum
Most species are cryptic and rarel...
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