Caribbean false mussel

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About Caribbean false mussel:

It is originally from the Atlantic and Pacific coast of South and Central America.
It could have reached the Indian coast through ballast waters (the seawater that ships carry inside for better stability) and later spread to the estuaries through smaller fishing vessels.
This invasive species has spread across estuaries from Thiruvananthapuram to Kasaragod.
It has now started affecting the mussel aquaculture farms also in Kerala.
It reproduces rapidly and is very tolerant, and can even survive in freshwater.
They grow in the similar habitats where our mussels grow and displace them massively.
It can be found growing on hard surfaces such as logs, stones, shells, and artificial structures.

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Source: Invasive mussel species from Central and South America wiping out native variant in Kerala