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Rank Animal Scientific name Maximum length () Image Habitat 1: Whale shark: Rhincodon typus: 12.65 [1]: 2: Basking shark: Cetorhinus maximus: 12.27 [2]: 3: Giant oarfish
In 2017, Methuselah was unofficially designated as the oldest living aquarium fish following the death of Granddad, another Australian lungfish residing at Shedd Aquarium in Chicago, then estimated to be 95 years old. [10] A later study estimated Granddad to have been 109 years old at the time of his death. [11]
The largest species is the Port Jackson shark (Heterodontus portusjacksoni) of Australasian waters, at up to 1.65 m (5.4 ft) long and weighing up to 20 kg (44 lb). [35] Mackerel sharks (Lamniformes) The dramatically large mouth of the basking shark, the second largest living fish Most species in this order grow quite large.
This species is the world's longest bony fish, reaching a record length of about 7–8 m (23–26 ft), and a maximum record weight of 272 kg (600 lbs). [3] Older, much longer estimates are now considered "very likely inaccurate". [11] It is commonly measured to 3 m (9.8 ft) in total length. [8]
Found in areas spanning from temperate ocean zones to tropical ones, yet rarely seen, the oarfish family contains three species in two genera. [2] One of these, the giant oarfish ( Regalecus glesne ), is the longest bony fish alive, growing up to about 8 m (26 ft) in length.
Bigmouth can be found in waters from 22.5 to 38.0 °C (72.5 to 100.4 °F). The optimal temperatures for incubation and hatching of eggs are from 15–18 °C (59–64 °F), but they can develop in temperatures reaching up to 26.7 °C (80.1 °F). [19] The bigmouth buffalo prefers slow-moving water that does not reach a velocity over 30 cm/s.
The Tasmanian giant freshwater crayfish (Astacopsis gouldi), also called Tasmanian giant freshwater lobster, is the largest freshwater invertebrate and the largest freshwater crayfish species in the world. The species is only found in the rivers below 400 metres (1,300 ft) above sea level in northern Tasmania, an island-state of Australia.
Oreosomatidae, the oreos, are a family of marine fish. Most species are found in the Southern Hemisphere, inhabiting continental slopes down to about 1,000 m (3,300 ft) deep. [ 2 ] Most of them are 43 cm at most, with the largest species reaching a length of 60 cm.