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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. [8] A later study estimated Granddad to have been 109 years old at the time of his death. [9]
The giant cuttlefish (Sepia apama), also known as the Australian giant cuttlefish, [3] is the world's largest cuttlefish species, growing to 50 cm (20 in) in mantle length and up to 100 cm (39 in) in total length (total length meaning the whole length of the body including outstretched tentacles).
As for length, the longest extant bony fish on earth is the giant oarfish (Regalecus glesne). Slender and compressed, it averages over 6 m (20 ft) long at maturity. A specimen caught in 1885 of 7.6 m (25 ft) in length weighed 275 kg (606 lb). The longest known example, which was hit by a steamship, was measured as 13.7 m (45 ft) long. [1]
The world's smallest fish depends on the measurement used. [1]Based on minimum standard length at maturity the main contenders are Paedocypris progenetica where females can reach it at 7.9 mm (0.31 in), [2] [3] [4] the stout infantfish (Schindleria brevipinguis) where females reach it at 7 mm (0.28 in) and males at 6.5 mm (0.26 in), [1] and Photocorynus spiniceps where males can reach it at 6. ...
The axolotl is currently on the International Union for Conservation of Nature's annual Red List of threatened species. Non-native fish, such as African tilapia and Asian carp, have also recently been introduced to the waters. These new fish have been eating the axolotls' young, as well as their primary source of food. [23]
A 'Ghost Fish' Has Been Spotted Alive For First Time The NOAA Office of Ocean Exploration and Research recently shared footage documenting what is believed to be the first known sighting of a ...
The colors of the Parrot Fish will change several times over the course of their lifespan. But their mouths look like they are always grinning. They are generally social creatures and travel in ...
Psychrolutes marcidus, the smooth-head blobfish, [1] also known simply as blobfish, [1] is a deep-sea fish of the family Psychrolutidae. It inhabits the deep waters off the coasts of mainland Australia and Tasmania, as well as the waters of New Zealand. [2] Blobfish are typically shorter than 30 cm (12 in).