Search results
Results from the WOW.Com Content Network
Megalodon teeth can measure over 180 millimeters (7.1 in) in slant height (diagonal length) and are the largest of any known shark species, [29]: 33 implying it was the largest of all macropredatory sharks. [35] In 1989, a nearly complete set of megalodon teeth was discovered in Saitama, Japan.
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
The whale shark (Rhincodon typus) is a slow-moving, filter-feeding carpet shark and the largest known extant fish species. The largest confirmed individual had a length of 18.8 m (61.7 ft). [ 8 ] The whale shark holds many records for size in the animal kingdom, most notably being by far the most massive living non-cetacean animal.
The basking shark (Cetorhinus maximus) is the second-largest living shark and fish, [4] after the whale shark. It is one of three plankton-eating shark species, along with the whale shark and megamouth shark. Typically, basking sharks reach 7.9 m (26 ft) in length.
Greenland sharks are born alive (a process known as ovoviviparity) after an estimated gestation period of 8–18 years. [49] Estimates of litter size have varied across studies. Some studies suggest that this species produce up to 10 pups per litter, each initially measuring some 38–42 cm in length. [50]
Last year, older son Collin, 10, found a 4-inch megalodon tooth, a species that came after the angustiden and the largest fish that ever lived, according to Encyclopedia Britannica. The largest ...
10: Great white shark: Carcharodon carcharias: 7.1 (disputed) [10] [11] [12] 11: Pacific sleeper shark: Somniosus pacificus: 7 [13] 12: Common thresher shark: Alopias vulpinus: 6.5 [14] 13: Goblin shark: Mitsukurina owstoni: 6.2 [15] 14: Great hammerhead shark: Sphyrna mokarran: 6.1 [16] 15: White sturgeon: Acipenser transmontanus: 6.1 [17] 16 ...
Discover the latest breaking news in the U.S. and around the world — politics, weather, entertainment, lifestyle, finance, sports and much more.