invertebrate invertebratean animal that lacks a backbone (marine examples include lobsters, shrimp, squid, clams, crabs, and sea stars). Related Articles: Glossary: exoskeletonBiological OceanographerHot Topic – Monitoring Wind Farm ConstructionHot Topic- Seismic AirgunsUnderwater Sound and Coral Reef RestorationCriteria for Effects of Anthropogenic Sound on FishesConsiderations for “Contained” Studies in Laboratory or Captive SettingsHow do marine animals use sound?What are common underwater sounds?Why is sound important to marine animals? Chris Knowlton2018-01-19T18:09:14-05:00