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Stable populations extend from Massachusetts to Florida's Okeechobee Lake, and west into Gulf drainages up to Mississippi's Pascagoula River. [4] Because the redfin pickerel is an ambush predator, the fish prefers freshwater habitats with high visibility and dense vegetation or decaying organic matter in which to hide itself. [5]
Pages in category "Apex predators" The following 138 pages are in this category, out of 138 total. This list may not reflect recent changes. * Apex predator; A.
An apex predator, also known as a top predator or superpredator, is a predator [a] at the top of a food chain, without natural predators of its own. [ 6 ] [ 7 ] Apex predators are usually defined in terms of trophic dynamics , meaning that they occupy the highest trophic levels .
When populations of an apex predator decrease, populations of mesopredators in the area often increase due to decreased competition and conflict with the apex predator. [2] This is known as the mesopredator release effect, which refers to the release of mesopredators from the trophic cascade. [5]
As described by Paine in 1966, some sea stars (e.g., Pisaster ochraceus) may prey on sea urchins, mussels, and other shellfish that have no other natural predators. [19] If the sea star is removed from the ecosystem, the mussel population explodes uncontrollably, driving out most other species. [4] These creatures need not be apex predators.
With housing developments spreading around the lake, an exclusive nature of the area was also formed. The current size of the surrounding Lake Norman area has removed the easy commute that I-77 originally created. Today I-77 by Lake Norman is known for its traffic rather than its "new convenience".
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Livyatan was an apex predator, and probably had a profound impact on the structuring of Miocene marine communities. Using its large and deeply rooted teeth, it is likely to have hunted large prey near the surface, its diet probably consisting mainly of medium-sized baleen whales ranging from 7–10 m (23.0–32.8 ft) in length.