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Balloonfishes
Tetraodontidae is a family of marine and freshwater fish in the order Tetraodontiformes. The family includes many familiar species variously called pufferfish, puffers, balloonfish, blowfish, blowers, blowies, bubblefish, globefish, swellfish, toadfish, toadies, toadle, honey toads, sugar toads, and sea squab. They are morphologically similar to the closely related porcupinefish, which have large external spines (unlike the thinner, hidden spines of the Tetraodontidae, which are only visible when the fish have puffed up). The majority of pufferfish species are toxic, with some among the most poisonous vertebrates in the world. In certain species, the internal organs, such as the liver, and sometimes the skin, contain mucus tetrodotoxin, and are highly toxic to most animals when eaten; nevertheless, the meat of some species is considered a delicacy in Japan (as 河豚, pronounced ''fugu''), Korea (as 복, ''bok'', or 복어, ''bogeo''), and China (as 河豚, ''hétún'') when ...
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Early Eocene
In the geologic timescale the Ypresian is the oldest age (geology), age or lowest stage (stratigraphy), stratigraphic stage of the Eocene. It spans the time between , is preceded by the Thanetian Age (part of the Paleocene) and is followed by the Eocene Lutetian Age. The Ypresian is consistent with the Lower Eocene (Early Eocene). Events The Ypresian Age begins during the throes of the Paleocene–Eocene Thermal Maximum (PETM). The Fur Formation in Denmark, the Messel shales in Germany, the Oise amber of France and Cambay amber of India are of this age. The Eocene Okanagan Highlands are an uplands subtropical to temperate series of lakes from the Ypresian. The Ypresian is additionally marked by another warming event called the Early Eocene Climatic Optimum (EECO). The EECO is the longest sustained warming event in the Cenozoic record, lasting about 2–3 million years between 53 and 50 Ma. The interval is characterized by low oxygen-18 isotopes, high levels of atmospheric pCO2 ...
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Japan
Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea in the south. The Japanese archipelago consists of four major islands—Hokkaido, Honshu, Shikoku, and Kyushu—and List of islands of Japan, thousands of smaller islands, covering . Japan has a population of over 123 million as of 2025, making it the List of countries and dependencies by population, eleventh-most populous country. The capital of Japan and List of cities in Japan, its largest city is Tokyo; the Greater Tokyo Area is the List of largest cities, largest metropolitan area in the world, with more than 37 million inhabitants as of 2024. Japan is divided into 47 Prefectures of Japan, administrative prefectures and List of regions of Japan, eight traditional regions. About three-quarters of Geography of Japan, the countr ...
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Carinotetraodon
''Carinotetraodon'' is a polyphyletic genus of small freshwater pufferfish found in South and Southeast Asia. Several species have commercial importance as aquarium An aquarium (: aquariums or aquaria) is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. fishkeeping, Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aquati ... fish. Species There are 6 recognized species in the genus: * '' Carinotetraodon borneensis'' ( Regan, 1903) (Bornean red-eye puffer) * '' Carinotetraodon imitator'' ( Britz & Kottelat, 1999) (Dwarf malabar puffer) * '' Carinotetraodon irrubesco'' ( H. H. Tan, 1999) (Red-tail dwarf puffer) * '' Carinotetraodon lorteti'' ( Tirant, 1885) (Somphong's puffer, Redeye puffer or Crested puffer) * '' Carinotetraodon salivator'' ( K. K. P. Lim & Kottelat, 1995) (Striped red-eye puffer) * '' Carinotetraodon travancoricus'' ( Hora & K. K. Nair, 1941) (Malabar pufferfish, Dwarf ...
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Canthigaster
''Canthigaster'' is a genus in the pufferfish family (Tetraodontidae). A fish from this genus is sometimes referred to as a "toby" (a generally accepted name that originated in Australia) or a "sharpnose puffer". Species There are currently 37 recognized species in this genus: * '' Canthigaster amboinensis'' ( Bleeker, 1865) (Spider-eye puffer) * '' Canthigaster axiologus'' Whitley, 1931 (Pacific crown toby) *'' Canthigaster aziz'' Matsuura, Bogorodsky, Mal & Alpermann 2020 (Aziz's toby)Matsuura, Keiichi et al. “Canthigaster aziz, a new deep-dwelling toby fish (Tetraodontiformes: Tetraodontidae) from the Red Sea.” ''Zootaxa'' vol. 4834,1 zootaxa.4834.1.5. 18 Aug. 2020, doi:10.11646/zootaxa.4834.1.5 * '' Canthigaster bennetti'' ( Bleeker, 1854) (Bennett's sharpnose puffer) * '' Canthigaster callisterna'' ( J. D. Ogilby, 1889) (Clown toado) * '' Canthigaster capistrata'' ( R. T. Lowe, 1839) (Macaronesian sharpnose-puffer) * '' Canthigaster compressa'' ( Marion de Procé, 1 ...
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Auriglobus
'' Auriglobus'' is a genus of freshwater tetraodontidae, pufferfishes native to Southeast Asia. They generally resemble ''Chonerhinos'', but are considerably smaller, only reaching up to in length, and are more strongly associated with freshwater. The different ''Auriglobus'' species are very similar in appearance — greenish-golden or yellowish-golden above and pale below — but can be separated by morphometrics and meristics. Until 1999, the ''Auriglobus'' species were included in ''Chonerhinos''. Species There are five recognized species in this genus: * ''Auriglobus amabilis'' (Tyson R. Roberts, T. R. Roberts, 1982) * ''Auriglobus modestus'' (Pieter Bleeker, Bleeker, 1850) (bronze puffer or golden puffer) * ''Auriglobus nefastus'' (Tyson R. Roberts, T. R. Roberts, 1982) (greenbottle pufferfish) * ''Auriglobus remotus'' (Tyson R. Roberts, T. R. Roberts, 1982) * ''Auriglobus silus'' (Tyson R. Roberts, T. R. Roberts, 1982) References

Tetraodontidae Freshwater fish ...
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Arothron
''Arothron'' is a genus in the pufferfish family Tetraodontidae found in warm parts of the Atlantic, Indian and Pacific Ocean. These species are sometimes kept in aquaria. The largest species is ''A. stellatus'', which can reach in length. Species There are currently 14 recognized species in this genus: * '' Arothron caeruleopunctatus'' Matsuura, 1994 (Blue-spotted puffer) * '' Arothron carduus'' (Cantor, 1849) * '' Arothron diadematus'' ( Rüppell, 1829) (Masked puffer) * '' Arothron firmamentum'' ( Temminck & Schlegel, 1850) (Starry puffer) * '' Arothron hispidus'' (Linnaeus, 1758) (White-spotted puffer) * '' Arothron immaculatus'' (Bloch & J. G. Schneider, 1801) (Immaculate puffer) * '' Arothron inconditus'' J. L. B. Smith, 1958 (Belly-striped puffer) * '' Arothron manilensis'' ( Marion de Procé, 1822) (Narrow-lined puffer) * '' Arothron mappa'' ( Lesson, 1831) (Map puffer) * '' Arothron meleagris'' (Anonymous, referred to Lacépède, 1798) (Guineafowl puffer) * '' Aro ...
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Amblyrhynchotes
'' Amblyrhynchotes'' is a genus of pufferfishes native to the Indian and Pacific Oceans. Species There are at least two recognized species in this genus: * '' Amblyrhynchotes honckenii'' (Bloch Bloch is a surname of German origin. Notable people with this surname include: A *Adele Bloch-Bauer (1881–1925), Austrian entrepreneur *Albert Bloch (1882–1961), American painter *Alexandre Bloch (1857–1919), French painter *Alfred Bloch ( ..., 1785) (evileye blaasop) * '' Amblyrhynchotes rufopunctatus'' S. C. Li, 1962 References Tetraodontidae Marine fish genera Taxa named by Franz Hermann Troschel {{tetraodontiformes-stub ...
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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 moved to the genera '' Dichotomyctere'', '' Leiodon'' and '' Pao'' in 2013. Kottelat, M. (2013). The Fishes of the Inland Waters of Southeast Asia: A Catalogue and Core Bibliography of the Fishes Known to Occur in Freshwaters, Mangroves and Estuaries. ''The Raffles Bulletin of Zoology, 2013, Supplement No. 27: 1–663.''Eschmeyer, W. N., R. Fricke, and R. van der Laan (18 February 2017). Catalog of Fishes.' Retrieved 18 February 2017. Species There are 6 recognized species in this genus: * '' Tetraodon duboisi'' Poll, 1959 * ''Tetraodon lineatus'' Linnaeus, 1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of ''Systema Naturae'', the ...
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Pufferfish Mating Ritual
The white-spotted pufferfish (''Torquigener albomaculosus'') is known for its unique and complex courtship display. Males create large geometric circles in the sand to attract females for copulation (zoology), copulation. To construct the ornate circular structure, a male works for more than a week straight. He flaps his fins along the seafloor to build ridges which he then decorates with shells and coral and sculpts a unique maze pattern in the center where a female might lay her eggs if, after evaluating his construction skills, she chooses him. He guards the eggs until they hatch and does not reuse the circles. The geometric circles were first noticed by divers in 1995, but it was not known that they were created by white-spotted pufferfish until 2013, when the species was discovered in the Ryukyu Islands. It is thought that white-spotted pufferfish are the only species of their kind to engage in this type of mating ritual. Discovery The Torquigener albomaculosus, white-spot ...
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David Attenborough
Sir David Frederick Attenborough (; born 8 May 1926) is an English broadcaster, biologist, natural historian and writer. He is best known for writing and presenting, in conjunction with the BBC Studios Natural History Unit, the nine nature documentary series forming the ''Life'' Collection, a comprehensive survey of animal and plant life on Earth. Attenborough was a senior manager at the BBC, having served as controller of BBC Two and director of programming for BBC Television in the 1960s and 1970s. First becoming prominent as host of '' Zoo Quest'' in 1954, his filmography as writer, presenter and narrator has spanned eight decades; it includes ''Natural World'', '' Wildlife on One'', the ''Planet Earth'' franchise, '' The Blue Planet'' and its sequel. He is the only person to have won BAFTA Awards in black and white, colour, high-definition, 3D and 4K resolution. Over his life he has collected dozens of honorary degrees and awards, including three Emmy Awards ...
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Torquigener Albomaculosus
''Torquigener albomaculosus'', or the white-spotted pufferfish, is the 20th discovered species of the genus ''Torquigener''. The species was discovered in the ocean waters around the Ryukyu Islands in Japan off the south coast of Amami Ōshima Island. Observed depths of the species range between . The fish's head and body are colored brown with white spots at the back. Its abdomen is silvery-white with white spots. The males are known for creating circular nests as part of their mating ritual in the sand, measuring in diameter. Such nest designs were noticed since 1995, but their creation remained a mystery until the species' discovery. The nests are created to attract mates through the nest's impressive design and ability to gather fine sand particles, both of which influence a female's mate choice. Males never reuse a nest. The white-spotted pufferfish was originally thought to be unique among pufferfish in creating these elaborate nests, however in 2018 similar nests were ob ...
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Chesapeake Bay
The Chesapeake Bay ( ) is the largest estuary in the United States. The bay is located in the Mid-Atlantic (United States), Mid-Atlantic region and is primarily separated from the Atlantic Ocean by the Delmarva Peninsula, including parts of the Eastern Shore of Maryland, the Eastern Shore of Virginia, and the state of Delaware. The mouth of the bay at its southern point is located between Cape Henry and Cape Charles (headland), Cape Charles. With its northern portion in Maryland and the southern part in Virginia, the Chesapeake Bay is a very important feature for the ecology and economy of those two states, as well as others surrounding within its watershed. More than 150 major rivers and streams flow into the bay's drainage basin, which covers parts of six states (New York (state), New York, Pennsylvania, Delaware, Maryland, Virginia, and West Virginia) and all of Washington, D.C. The bay is approximately long from its northern headwaters in the Susquehanna River to its outlet i ...
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