Don’t be a hermit; come out to the April 13 Science Saturday presentation as Paul Jivoff, professor of biology, behavioral neuroscience and health sciences at Rider University, discusses blue crabs in Barnegat Bay. The lecture will be held from 11 a.m. to 12:30 p.m. in the main building of the Long Beach Island Foundation of the Arts and Sciences, in Loveladies.

Admission is free for Foundation members and $5 per person for all others.