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When the shark bites, it shakes its head side-to-side, helping the teeth saw off large chunks of flesh. [59] Great white sharks, like other mackerel sharks, have larger eyes than other shark species in proportion to their body size. The iris of the eye is a deep blue instead of black. [60]
English: Comparison of size of killer whale (Orcinus orca) and great white shark (Carcharodon carcharias).This image assumes an average length of 4.6 metres for a great white shark (males measure 3.4 to 4.0 m (11 to 13 ft), and females measure 4.6 to 4.9 m (15 to 16 ft) on average), and 6.5 metres for a killer whale (males typically range from 6 to 8 metres (20 to 26 ft) and females from 5 to ...
Shark research is hard to get funding for, in part, because sharks aren’t a commercial species. Yet the irony is that they affect commercial species, namely fish populations.
“The heaviest great hammerhead shark ever recorded weighed a whopping 1280 pounds.” The great hammerhead shark is found in a variety of water depths such as shallow lagoons and coral reefs ...
English: Comparison of size of basking shark (Cetorhinus maximus) and human. The diagram assumes a length of 7 metres for the shark and 1.75 metres for the human (giving a ratio of 4ː1). The diagram assumes a length of 7 metres for the shark and 1.75 metres for the human (giving a ratio of 4ː1).
Leonard Compagno – international authority on shark taxonomy, best known for 1984 catalog of shark species (FAO) Jacques-Yves Cousteau – French naval officer, explorer, ecologist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water including sharks
The hearing sensitivity for most shark species lies between 20 and 1000 Hz. [63] A small opening on each side of their heads (not the spiracle) leads directly into the inner ear through a thin channel. The lateral line shows a similar arrangement, and is open to the environment via a series of openings called lateral line pores