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Hace 5 días · The shark has the greatest electrical sensitivity of any animal. Sharks find prey hidden in sand by detecting the electric fields they produce. Ocean currents moving in the magnetic field of the Earth also generate electric fields that sharks can use for orientation and possibly navigation. Lateral line
4 de may. de 2024 · Shark, any of numerous species of cartilaginous fishes that make up the order Selachii (class Chondrichthyes). Most species have a tough skin that is dull gray in color and roughened by toothlike scales. The mouth contains sharp triangular teeth. Sharks lack a swim bladder and must swim to keep from sinking.
24 de abr. de 2024 · Scientists didn't know much about Ptychodus, an ancient shark genus, because its remains were usually just fragments. Now, complete fossils reveal its body shape and hunting habits
1 de may. de 2024 · The size of the sand tiger shark, compared with other well-mineralized shark species, makes it a well-suited candidate for a clinical CT system resulting in a high voxel resolution allowing for detailed features of the various skeletal structures to be captured and visualized in the three-dimensional model in great detail.
Hace 4 días · Discover fascinating facts about sand tiger sharks, including their behavior, habitat, and unique characteristics. Learn about their conservation status and why they are a vital part of the marine ecosystem.
Hace 3 días · Megalodon. 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.
29 de abr. de 2024 · Sand tiger shark: The sand tiger shark (Carcharias taurus), also known as the gray nurse shark, is a slow-moving shark found around the world. Basking shark: The basking shark (Cetorhinus maximus) is a plankton-eating shark, like the whale shark and its closer relative, the megamouth shark.
