Scientists Find That Sharks Are Positively Buoyant

Scientists Find That Sharks Are Positively Buoyant

The buoyancy factor in the deep-sea shark has been revisited by the researchers. The new study predicts that the species is positively buoyant. Earlier scientists thought these dangerous predators might be neutrally buoyant in order to achieve ease in swimming. Even the traditional knowledge suggests that sharks must be neutrally or negatively buoyant.
The cartilaginous skeletons developed by the predators have lower bone density. The oil filled liver, larger than average livers of mammals generates buoyancy in the sharks.  The sharks will sink down the sea floor if the buoyancy is not present. Their swimming forward prevents sinking.  Traces of positive buoyancy are definitely shocking.
Two experiments were conducted on the marine creature to confirm the fact, according to Co-author, Carl Meyer.  He informed about the developments in a news release.  Accelerometer data logger was used to collect the information about the swimming performance. The instrument planet on sharks showed whenever they went up-down in the natural habitat.
Swim speed, tail beat frequency, heading and body orientation data was relayed back by the device. Two species of deep-sea sharks were used for this purpose. The data has been collected from six gill and prickly sharks, which are known to be positively buoyant now.  Shark-mounted camera has given some exclusive footage of the shark’s movement.
It pointed out that Sharks spend most of the time near the surface of water than at the seafloor. The researchers said that the detailed studies will be conducted now to know the reasons behind this. The environmental factors would be taken into the consideration too.

 

 

 

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