Question

Плавательные пузырь отсутствует уакулфорелилещаосетра

Answer 1

Плавательный пузырь отсутствует у акул

Answer 2

Absence of Swim Bladder in Sharks, Eels, and Sturgeon

Sharks, eels, and sturgeons are examples of fish that do not have swim bladders. The absence of swim bladders in these species is an interesting adaptation that affects their buoyancy and swimming behavior.

Sharks: Sharks are cartilaginous fish, and they lack a swim bladder. Instead of a swim bladder, sharks rely on their large, oil-filled livers to help control their buoyancy. This allows them to adjust their position in the water column without the need for a swim bladder [[1]].

Eels: Eels are another group of fish that do not possess swim bladders. Instead, they use their elongated bodies and fin movements to control their buoyancy and navigate through the water. The lack of a swim bladder allows eels to move more flexibly, especially in the confined spaces of their habitats [[2]].

Sturgeon: Sturgeons, known for their prehistoric origins, also lack swim bladders. These ancient fish have evolved without this organ and have adapted to their environment by using their large, bony plates and unique body shape to maintain buoyancy and stability in the water [[3]].

The absence of swim bladders in these fish species showcases the diverse ways in which different aquatic animals have adapted to their environments and evolved unique mechanisms for buoyancy and movement.