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The gilled lungfish, Protopterus amphibius is a species of lungfish found in East Africa. [30] [31] It generally reaches only 44 centimetres (17 inches) long, making it the smallest extant lungfish in the world. [32] This lungfish is uniform blue, or slate grey in colour. It has small or inconspicuous black spots, and a pale grey belly. [33]
African lungfish generally inhabit shallow waters, such as swamps and marshes. They are also found in larger lakes such as Lake Victoria. They can survive out of water for many months by burrowing into hardened mud beneath a dried stream bed. They are carnivorous, feeding on crustaceans, aquatic insect larvae, and molluscs. [11]
Furthermore, the African lungfish is commonly used for food consumption in many African regions. In Ugandan fish markets, African lungfish can frequently be found. According to some studies, Uganda caught between 15,000 and 22,000 tons of lungfish from 1976 to 1985, but this number decreased from 1985 to 1989.
Rhipidistia includes Porolepiformes and Dipnoi. Extensive fossilization of lungfishes has contributed to many evolutionary studies of this group. Evolution of autostylic jaw suspension, in which the palatoquadrate bone fuses to the cranium, and the lymph pumping " lymph heart " (later lost in mammals and flying birds ), are unique to this group.
Porolepiformes is an order of prehistoric lobe-finned fish which lived during the Devonian period (about 416 to 359 million years ago). They are thought to represent the sister group to lungfish (class Dipnoi). [1] The group contains two families: Holoptychiidae and Porolepididae.
Sarcopterygii (/ ˌ s ɑːr k ɒ p t ə ˈ r ɪ dʒ i. aɪ /; from Ancient Greek σάρξ (sárx) ' flesh ' and πτέρυξ (ptérux) ' wing, fin ') — sometimes considered synonymous with Crossopterygii (from Ancient Greek κροσσός (krossós) ' fringe ') — is a clade (traditionally a class or subclass) of vertebrate animals which includes a group of bony fish commonly referred to as ...
Also known as the leopard lungfish, it is found in Eastern and Central Africa, as well as the Nile region. At 133 billion base pairs , [ 4 ] it has the largest known genome of any animal and one of the largest of any organism , along with the flowering plant Paris japonica , the fern Tmesipteris oblanceolata and the protist Polychaos dubium at ...
Australian lungfish are commonly found in deep pools of 3–10 m (9.8–32.8 ft) depth [14] and live in small groups under submerged logs, in dense banks of aquatic macrophytes, or in underwater caves formed by soil being washed away under tree roots on river banks. The lungfish is tolerant of cold, but prefers waters with temperatures in the ...