Aquatic predation

Grouper capture their prey by sucking them into their mouth

Foraging Manta alfredi ram feeding, swimming against the tidal current with its mouth open and sieving zooplankton from the water [2]

Aquatic predation presents a special difficulty as compared to predation on land, because the density of water is about the same as that of the prey, so that the prey tends to be pushed away. This problem was first identified by Robert McNeill Alexander. As a result, underwater predators, especially bony fish, have evolved a number of specialized feeding mechanisms, such as filter feeding, ram feeding, suction feeding, protrusion, and pivot feeding.

单词	Suction feeder
释义	Suction feeder 英语百科 Aquatic predation Aquatic predation presents a special difficulty as compared to predation on land, because the density of water is about the same as that of the prey, so that the prey tends to be pushed away. This problem was first identified by Robert McNeill Alexander. As a result, underwater predators, especially bony fish, have evolved a number of specialized feeding mechanisms, such as filter feeding, ram feeding, suction feeding, protrusion, and pivot feeding.
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Suction feeder

Aquatic predation