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Vor 2 Tagen · Sand tiger sharks store air in their stomachs, using it as a form of swim bladder. Bottom-dwelling sharks, like the nurse shark, have negative buoyancy, allowing them to rest on the ocean floor. Some sharks, if inverted or stroked on the nose, enter a natural state of tonic immobility. Researchers use this condition to handle sharks ...
Vor einem Tag · Sand tiger sharks have a distinctive look, with a bulky body, a flattened conical snout, and small eyes. Their brownish-gray color with reddish or brown spots helps them blend into the sandy ocean floor. 11. They are one of the few shark species that can hover in the water thanks to their ability to control buoyancy.
Vor 2 Tagen · Sand sharks, also known as sand tiger sharks or grey nurse sharks, are among the most fascinating marine creatures. As essential components of ocean ecosystems, sand sharks play a crucial role in maintaining a healthy underwater environment. By teaching students about these magnificent creatures, we can not only pique their interest in marine biology but also inspire them to be responsible ...
Vor 16 Stunden · Otodus megalodon ( / ˈmɛɡələdɒn / MEG-əl-ə-don; meaning "big tooth"), commonly known as megalodon, is an extinct species of giant mackerel shark that lived approximately 23 to 3.6 million years ago (Mya), from the Early Miocene to the Pliocene epochs.
- †O. megalodon
- †Otodus
Vor 5 Tagen · The tiger shark ( Galeocerdo cuvier) [3] is a species of ground shark, and the only extant member of the genus Galeocerdo and family Galeocerdonidae. It is a large macropredator, with females capable of attaining a length of over 5 m (16 ft 5 in). [4] Populations are found in many tropical and temperate waters, especially around central Pacific ...
- G. cuvier
- Galeocerdo
Vor 5 Tagen · Scientists have discovered what could be the first known smooth hammerhead shark nursery in the Galápagos. The vulnerable shark species - so-called for its elongated head which forms a...
Vor 4 Tagen · Caven Point natural area is a hidden treasure of the park and of Jersey City. It’s a 23.5 acre restored and reclaimed salt marsh, peninsula, and cove of the Hudson river estuary (where the river ...
