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[25] [26] The beluga sturgeon is the largest species of freshwater bony fish extant today, and Arapaima gigas is among the largest of the freshwater fish. The largest bony fish ever was Leedsichthys, which dwarfed the beluga sturgeon as well as the ocean sunfish, giant grouper and all the other giant bony fishes alive today. [27]
Much larger bony fish existed prehistorically, the largest ever known having been Leedsichthys of the Jurassic period. This species is certainly the largest bony fish ever and perhaps the largest non-cetacean marine animal to have ever existed. Estimates of the size of this fish range from 21 to 27 m (69 to 89 ft) and mass from 20 to 50 tons.
Leedsichthys, a giant Jurassic pachycormid. This list of prehistoric bony fish is an attempt to create a comprehensive listing of all genera from the fossil record that have ever been considered to be bony fish (class Osteichthyes), excluding purely vernacular terms.
One of these, the giant oarfish (Regalecus glesne), is the longest bony fish alive, growing up to about 8 m (26 ft) in length. [3] The common name oarfish is thought to allude either to their highly compressed and elongated bodies, or to the now discredited belief that the fish "row" themselves through the water with their pelvic fins. [4]
The ocean sunfish (Mola mola), also known as the common mola, is one of the largest bony fish in the world. It is the type species of the genus Mola, and one of five extant species in the family Molidae. [6] [7] It was once misidentified as the heaviest bony fish, which was actually a different and closely related species of sunfish, Mola ...
Bonefish are considered one of the premier fly and light tackle game fish. [4] Fishing for bonefish, called bonefishing, is a popular sport in the Bahamas, Puerto Rico, southern Florida, Cargados Carajos. Since bonefish live in shallow inshore water, fishing may be done by wading or from a shallow-draft boat.
Leedsichthys is the largest known member of the Osteichthyes or bony fishes. [20] The largest extant non-tetrapodomorph bony fish is the ocean sunfish, Mola mola, being with a weight of up to two tonnes an order of magnitude smaller than Leedsichthys. The extant giant oarfish might rival Leedsichthys in length but is much thinner.
These fish are best kept with live or frozen feed and they easily outgrow the tank within eight to ten months. An aquarium with the minimum diameter of 6 by 3.5 feet (1.8 by 1.1 m) and 300 US gallons (1,100 L; 250 imp gal) is suggested as a bare minimum but 400–800 US gallons (1,500–3,000 L; 330–670 imp gal) is the best way to go. [ 9 ]