invertebrate an animal that lacks a backbone (marine examples include lobsters, shrimp, squid, clams, crabs, and sea stars). Related Articles: Glossary: exoskeletonWhy is sound important to marine animals?Audio GalleryWebinar Archive: Introduction to Underwater AcousticsWhat are soundscapes?Masking in FishesHow do marine invertebrates produce sounds?Potential effects of sound on marine fishesSeismic AirgunsHow do marine invertebrates detect sounds? Chris Knowlton2018-01-19T18:09:14-05:00