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 RestorationConsiderations for “Contained” Studies in Laboratory or Captive SettingsHow animals extract information about the ambient environment: Passive listeningHow 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