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Swordfish are elongated, round-bodied, and lose all teeth and scales by adulthood. These fish are found widely in tropical and temperate parts of the Atlantic, Pacific, and Indian Oceans, and can typically be found from near the surface to a depth of 550 m (1,800 ft), and exceptionally up to depths of 2,234 m. [3]
Exceptionally, both Huso species, the white sturgeon and the pallid sturgeon feed primarily on other fish as adults. They feed by extending their siphon-like mouths to suck food from the benthos . Having no teeth, they are unable to seize prey, though larger individuals and more predatory species can swallow very large prey items, including ...
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Billfish do not normally spear with their bills, though occasionally a marlin will flip a fish into the air and bayonet it. Given the speed and power of these fish, when they do spear things the results can be dramatic. Predators of billfish, such as great white and mako sharks, have been found with billfish spears embedded in them.
This year’s marine heat waves and spiking ocean temperatures foretell big changes in the future for some of the largest fish in the sea, such as sharks, tunas and swordfish.
Adults of most species are more or less solitary, while young and half-grown fish frequently congregate. Barracudas prey primarily on fish (which may include some as large as themselves). Common prey fish include jacks , grunts , groupers , snappers , small tunas , mullets , killifishes , herrings , and anchovies ; often by simply biting them ...
Protosphyraena is a fossil genus of swordfish-like marine fish, that thrived worldwide during the Cretaceous period (Albian-Maastrichtian). Fossil remains of this taxon are mainly discovered in North America and Europe, and potential specimens are also known from Asia, Africa and Australia. [1]
Officials have reportedly identified the adult female within the pack as a 3-year-old from the Lassen Packs 2021 litter in northern California but the male’s origins are yet to be confirmed.