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The midland and southern painted turtles seek especially quiet waters, usually shores and coves. They favor shallows that contain dense vegetation and have an unusual toleration of pollution. [103] [104] The western painted turtle lives in streams and lakes, similar to the other painted turtles, but also inhabits pasture ponds and roadside ...
The iconic painted turtle is popular in British Columbia and the province is further motivated to stop the loss of the painted turtle because it has already lost all populations of its other native turtle species, the western pond turtle. However, despite conservation efforts, only a few thousand turtles remain in the entire province. [8] [9] [10]
Some turtles, especially those specialized in diving, are highly reliant on cloacal respiration during dives. [2] They accomplish this by having a pair of accessory air bladders connected to the cloaca which can absorb oxygen from the water.
From African Dwarf frogs and Red-clawed Crabs to Male Painted Turtles and Fire-bellied Toads. There’s a whole host of animals out there to get up close and personal with behind a glass screen.
The semi-aquatic turtles that spend some time in the water, some on land, tend to have webbed feet with claws, while the fully aquatic marine turtles have flippers – and they can swim fast.
Sea slugs respire through a gill (or ctenidium). Aquatic respiration is the process whereby an aquatic organism exchanges respiratory gases with water, obtaining oxygen from oxygen dissolved in water and excreting carbon dioxide and some other metabolic waste products into the water.
Sea snakes, crocodiles and marine iguanas only dive in inshore waters and seldom dive deeper than 10 m, but both of these groups can make much deeper and longer dives. Emperor penguins regularly dive to depths of 400 to 500 m for 4 to 5 minutes, often dive for 8 to 12 minutes and have a maximum endurance of about 22 minutes.
The physiology of underwater diving is the physiological adaptations to diving of air-breathing vertebrates that have returned to the ocean from terrestrial lineages. They are a diverse group that include sea snakes, sea turtles, the marine iguana, saltwater crocodiles, penguins, pinnipeds, cetaceans, sea otters, manatees and dugongs.