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The sperm whale or cachalot [a] (Physeter macrocephalus) is the largest of the toothed whales and the largest toothed predator. It is the only living member of the genus Physeter and one of three extant species in the sperm whale family, along with the pygmy sperm whale and dwarf sperm whale of the genus Kogia.
Brygmophyseter, known as the biting sperm whale, is an extinct genus of toothed whale in the sperm whale family with one species, B. shigensis. When it was first described in 1994, the species was placed in the genus Scaldicetus based on tooth morphology , but this was later revised in 1995.
Drugs administered to a spider affect its ability to build a web. [11] Webs produced under the influence of small doses of LSD (omitted in this image) show increased regularity. [ 12 ] Caffeine has a significant effect on spiders , which is reflected in the construction of their webs .
To find those elusive giants, Austin Gallagher taps into his own research about bigger white sharks feeding on whale carcasses — and places himself inside the clear plastic stomach of a 22-foot ...
Thirteen sharks recently tested positive for cocaine near Rio de Janeiro.
Sharks could also be ingesting various pharmaceuticals found in the ocean, ... Scientists suspect 'Cocaine Sharks' feast on dumped drugs near Florida. Scripps News Staff. July 23, 2023 at 4:11 PM ...
Ambergris in dried form. Ambergris (/ ˈ æ m b ər ɡ r iː s / or / ˈ æ m b ər ɡ r ɪ s /; Latin: ambra grisea; Old French: ambre gris), ambergrease, or grey amber is a solid, waxy, flammable substance of a dull grey or blackish colour produced in the digestive system of sperm whales. [1]
It was a member of a group of macroraptorial sperm whales (or "raptorial sperm whales") and was probably an apex predator, preying on whales, seals and so forth. Characteristically of raptorial sperm whales, Livyatan had functional, enamel -coated teeth on the upper and lower jaws, as well as several features suitable for hunting large prey.