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Aquatic animals use mechanoreceptors to detect acoustic signals. Aside from aquatic mammals which have external ears, other aquatic vertebrates have ear holes containing mechanoreceptors. [7] Aquatic invertebrates such as lobster, crabs and shrimps have external sensory hairs and internal statocysts as their sound-detecting organs. [11] [12]
The sea otter (Enhydra lutris) is a marine mammal native to the coasts of the northern and eastern North Pacific Ocean.Adult sea otters typically weigh between 14 and 45 kg (30 and 100 lb), making them the heaviest members of the weasel family, but among [3] the smallest marine mammals.
Image credits: Dr Geeta Somnatha Kaimal #3. Sea otters hold hands while sleeping so that they don’t drift away in the swirling sea from their group.
Cephalopods, as active marine predators, possess sensory organs specialized for use in aquatic conditions. [1] They have a camera-type eye which consists of an iris, a circular lens, vitreous cavity (eye gel), pigment cells, and photoreceptor cells that translate light from the light-sensitive retina into nerve signals which travel along the optic nerve to the brain. [2]
Sea Otters can swim up to six miles per hour and hold their breaths for up to four minutes. They use these skills to dive as deep as 330 feet beneath the surface. 4.
Being very social animals, the sea otters in the video easily accept Spy Sea Otter into their group. A group of sea otters is called a “raft”. There could be anywhere from a few dozen to even ...
Sharks can sense frequencies in the range of 25 to 50 Hz through their lateral line. [2] Fish orient themselves using landmarks and may use mental maps based on multiple landmarks or symbols. Fish behavior in mazes reveals that they possess spatial memory and visual discrimination. [3]
Sea otters are among the world’s most playful and adorable animals. They are beloved for their charming antics and cuddly appearance. Otters are social animals, and in the wild, live together in ...