The demersal zone is the part of the sea or ocean (or deep lake) consisting of the part of the water column near to (and significantly affected by) the...

as clams and crabs living in this zone are called benthos. Just above the benthic zone is the demersal zone. Demersal fish can be divided into benthic...

Demersal fish, also known as groundfish, live and feed on or near the bottom of seas or lakes (the demersal zone). They occupy the sea floors and lake...

The benthic zone is the ecological region at the lowest level of a body of water such as an ocean, lake, or stream, including the sediment surface and...

pelagic and demersal zones. Pelagic habitats are found near the surface or in the open water column, away from the bottom of the ocean. Demersal habitats...

littoral zone, also called litoral or nearshore, is the part of a sea, lake, or river that is close to the shore. In coastal ecology, the littoral zone includes...

The neritic zone (or sublittoral zone) is the relatively shallow part of the ocean above the drop-off of the continental shelf, approximately 200 meters...

of the high seas or an exclusive economic zone and another part of the high seas or an exclusive economic zone are subject to the legal regime of transit...

the oceanic zone. The open ocean is vertically divided into four zones: the sunlight zone, twilight zone, midnight zone, and abyssal zone. The Mesopelagic...

rocky shores from high to low-tide. They are: The supralittoral zone or splash zone: area above the high-tide mark, which is virtually a terrestrial...

separates the biogeographic realms of Asia and 'Wallacea', a transitional zone between Asia and Australia formerly also called the Malay Archipelago and...

intertidal zone or foreshore is the area above water level at low tide and underwater at high tide; in other words, it is the part of the littoral zone within...

and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environments and are an example of...

at higher elevations on warmer equator-facing slopes. Because the alpine zone is present only on mountains, much of the landscape is rugged and broken...

discovered. Most of the fish species in this zone are described as demersal or benthopelagic fishes. Demersal fish are fish whose habitats are on or near...

accumulated as part of the fouling community on the hulls of vessels. The demersal zone supports many animals that feed on benthic organisms or seek protection...

water nearby. The drop-off zone applies mainly to the reefs surrounding oceanic islands and atolls. The reef face is the zone above the reef floor or the...

oceanic plate dives beneath continental crust in an offshore subduction zone such as off the coast of Chile or the west coast of Sumatra. The largest...

also called legering in the United Kingdom, is fishing of the bottom (demersal zone) of a deep body of water such as lake or ocean, targeting groundfish...

construction. Aphotic zone Benthic fish Benthopelagic fish Bioirrigation Bottom feeder Deep sea Deep sea communities Deep sea mining Demersal fish Epibenthic...

Cold seep Coral reef Demersal zone Estuary Hydrothermal vent Intertidal zone Kelp forest Littoral zone Oceanic trench Photic zone Seagrass meadow Mangrove...

live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live on or...

The hadal zone, also known as the hadopelagic zone, is the deepest region of the ocean, lying within oceanic trenches. The hadal zone ranges from around...

mother. Paralarvae may be planktonic, or they may remain on the bottom (demersal zone). Planktonic paralarvae remain so for a time, feeding on small food...

depths ranging from 2,039 to 2,912 m (6,690 to 9,554 ft), all within the demersal zone of around 100 m (330 ft) from the seafloor. Teuthidodrilus samae is...

An exclusive economic zone (EEZ), as prescribed by the 1982 United Nations Convention on the Law of the Sea, is an area of the sea in which a sovereign...

referred to as the euphotic zone (also referred to as the epipelagic zone, or surface zone). The lower portion of the photic zone, where the light intensity...

morphology of the sediment. For qualititative sampling within the littoral zone, for both coarse and fine sediment, a bucket and spade will work. In the...

wind. Demersal zone – the zone at or near the bottom of a sea or lake. Inhabitants of the demersal zone feed off the bottom or off other demersal fish...

The bathypelagic zone or bathyal zone (from Greek βαθύς (bathýs), deep) is the part of the open ocean that extends from a depth of 1,000 to 4,000 m (3...