Guest post: Shemaiah Kentish, George Mason University The abyssopelagic zone is the region of deep water from 4,000m to the ocean. This is a the deepest part of the pelagic zone other than the hadopelagic deep sea trenches. This region is typically home to chemosynthetic bacteria, tubeworms, and small fish. Occasional residents include sharks, shrimp, and … [Read more…]
Guest post: Lauren Flynn, New Mexico State University From the Latin verb demergere, meaning ‘to sink’, demersal describes fish that live on or just above the ocean or lake floor. It can also refer to a commercial fishery for groundfish and shellfish, which typically uses gear that is weighted so it sinks to the bottom. … [Read more…]
The pelagic zone is the region of a body of water (lake, river, or ocean) that is not associated with the bottom (see benthic zone) or shore (see littoral zone). This habitat zone is truly a three dimensional habitat space. Some fish that occupy the pelagic zone never encounter the bottom or shore throughout their … [Read more…]