Can a plough eat a raft ……. ?

This photo taken at Bonza Bay captured a Smooth plough shell (Bulia rhodostoma) feeding on a Raft hydroid (Porpita pacifica) – the hydroid is a flat, gas-filled float surrounded by a thin ‘skirt’. Short tentacles, dotted with small spheres (carrying stinging cells) hang beneath the float. The sting is mild and has no effect on humans. The plough shell photographed is the most dominant (of 5 similar species) found on our coast and are slow growing, only reaching 40mm after 10 years. Other species of plough shell can been seen in the museum marine gallery.

plough shell

A Smooth plough shell feeding on a Raft hydroid.

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About East London Museum Science

Conservation Biologist East London Museum South Africa
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