amphitrite

Shore crab Carcinus mediterraneus and Balanus amphitrite occur near the Tindja canal.

Ichkeul National Park, Tunisia 2008

I did not expend my sous to see the wretched bat, but I did lavish thirty centimes on the amphitrite next door.

In Troubadour-Land A Ramble in Provence and Languedoc 1879

You shall yourselves decide whether the amphitrite is worth six sous.

In Troubadour-Land A Ramble in Provence and Languedoc 1879

In this case, you could have felt virtuous getting rid of the styrofoam - the stripy barnacles are the invasive Balanus amphitrite.

Planet Atheism 2008