The Mbu pufferfish, also known as Mbuna pufferfish, giant pufferfish, or giant freshwater pufferfish (''Tetraodon mbu''), is a

carnivorous A carnivore , or meat-eater (Latin, ''caro'', genitive ''carnis'', meaning meat or "flesh" and ''vorare'' meaning "to devour"), is an animal or plant whose food and energy requirements derive from animal tissues (mainly muscle, fat and other sof ...

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. Although the term specifically excludes seawater and brackish water, it does include ...

pufferfish Tetraodontidae is a family of primarily marine and estuarine fish of the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowies, bubblefish, globefish, swellfis ...

originating from the middle and lower sections of the

Congo river The Congo River ( kg, Nzâdi Kôngo, french: Fleuve Congo, pt, Rio Congo), formerly also known as the Zaire River, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge ...

Africa Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...

, as well as the east coast of

Lake Tanganyika Lake Tanganyika () is an African Great Lake. It is the second-oldest freshwater lake in the world, the second-largest by volume, and the second-deepest, in all cases after Lake Baikal in Siberia. It is the world's longest freshwater lake. ...

near the

Malagarasi River The Malagarasi River is a river in western Tanzania, flowing through Kigoma Region, although one of its tributaries comes from southeastern Burundi. The river also forms the western border of Tabora Region, the southern border of Kagera Region and ...

mouth. The species is commonly referred to as the giant freshwater pufferfish due to its massive size, growing to a length of 67 cm (26 inches). As such, these fish are difficult to adequately house in home aquaria since they require a very large tank and appropriately scaled

water filtration A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation ...

. Mbu puffers are distinct from other members of the

Tetraodon ''Tetraodon'' is a genus in the pufferfish family (Tetraodontidae) found in freshwater in Africa. It is the type genus of the family and historically included numerous other species; several Asian species were only moved to the genera ''Dichotomy ...

genus due to their labyrinthine patterns of skin pigmentation, in contrast to mottled or straight-striped patterns such as those seen in

Fahaka pufferfish The fahaka pufferfish (from ar, فهقة), also known as the Nile puffer, globe fish, lineatus puffer (''Tetraodon lineatus''), is a tropical freshwater pufferfish found in the upper Nile, Chad, Senegal, Gambia, Geba, Volta and Turkana basin ...

. These patterns become more pronounced as adults. Like all of its

relatives Relatives can refer to: * Kinship * ''Relatives'' (1985 film), a 1985 Australian movie * ''Relatives'' (2006 film), a 2006 Hungarian movie * "Relatives", a song by Irving Berlin Irving Berlin (born Israel Beilin; yi, ישראל ביילין ...

, the Mbu puffer is capable of inflating itself with water or air when stressed or otherwise frightened. It feeds on smaller

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% of li ...

mollusks Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is esti ...

crustaceans Crustaceans (Crustacea, ) form a large, diverse arthropod taxon which includes such animals as decapods, seed shrimp, branchiopods, fish lice, krill, remipedes, isopods, barnacles, copepods, amphipods and mantis shrimp. The crustacean group ...

snails A snail is, in loose terms, a shelled gastropod. The name is most often applied to land snails, terrestrial pulmonate gastropod molluscs. However, the common name ''snail'' is also used for most of the members of the molluscan class Gastrop ...

, and

worms Worms may refer to: *Worm, an invertebrate animal with a tube-like body and no limbs Places *Worms, Germany, a city **Worms (electoral district) *Worms, Nebraska, U.S. *Worms im Veltlintal, the German name for Bormio, Italy Arts and entertainme ...

. Species kept in captivity require a varied diet consisting of shelled foods to help ensure good health and to prevent tooth overgrowth. File:MooBoo.jpg, Juvenile mbu puffer File:Giant Puffer fish skin pattern.JPG, Adult mbu puffer showing its elaborate skin patterns

References

Mbu pufferfish The Mbu pufferfish, also known as Mbuna pufferfish, giant pufferfish, or giant freshwater pufferfish (''Tetraodon mbu''), is a carnivorous freshwater pufferfish originating from the middle and lower sections of the Congo river in Africa, as wel ...

Taxa named by George Albert Boulenger

ru:Мбу {{Tetraodontiformes-stub