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Demersal fish live on or near the sea floor, while pelagic fish live in the water column away the sea floor. Examples of such shallow water demersal fish, found in both tropical and temperate waters around the world, are seahorses, triplefins, wrasse and flounder. As demersal fish, all these fish spend most of their time on or near the sea floor.
Frogfish and other shallow-water anglerfish species are ambush predators, and often appear camouflaged as rocks, sponges or seaweed. [ 17 ] Anglerfish have a flap, or the illicium, towards the distal end of their body on their first of two dorsal fins which extends to the snout and acts as a luring mechanism where prey will approach in a face ...
Being a shallow water fish, the blue chromis is commonly found at depths of 3 to 5 m, but it can reach depths of 25 m below sea level. It's also been recorded at a depth of 60 m below sea level. It lives on the surface of reefs, but often swims in the water columns above the reefs to feed on plankton.
For a fish at the bottom of the bathypelagic zone, this pressure amounts to about 400 atm (40 MPa, 6000 psi). [64] Deep-sea organisms possess adaptations at cellular and physiological levels that allow them to survive in environments of great pressure. Not having these adaptations limits the depths at which shallow-water species can operate.
A group of beachgoers encountered an interesting-looking fish as it surfaced in shallow waters on a beach in Mexico. The silvery, iridescent oarfish was captured on video washing onto the shores ...
Spanish researchers recently shared images of a deep-sea anglerfish swimming horizontally in shallow waters, capturing a rare moment with a fish not often seen by humans.
Seahorses are mainly found in shallow tropical and temperate salt water throughout the world, from about 45°S to 45°N. [8] They live in sheltered areas such as seagrass beds, estuaries, coral reefs, and mangroves. Four species are found in Pacific waters from North America to South America.
Generally shallow-water fish, tilefish are usually found at depths of 50–200 m in both temperate and tropical waters of the Atlantic, Pacific, and Indian Oceans. All species seek shelter in self-made burrows, caves at the bases of reefs, or piles of rock, often in canyons or at the edges of steep slopes. Either gravelly or sandy substrate may ...