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What is the smallest fish on earth?

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The world's smallest fish is the Paedocypris fish, which was discovered in the swamps of Sumatra in 2006. The male Paedocypris measures only about 7.9 millimeters (0.31 inches) in length, making it the smallest known fish species in the world. The female is slightly larger, measuring up to 10.3 millimeters (0.41 inches) in length. The Paedocypris fish is part of the carp family and has a transparent body, which makes it difficult to spot in its natural habitat.
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The smallest fish in the world is the Paedocypris fish, which is native to the Indonesian island of Sumatra. Adult Paedocypris fish typically measure less than 8 millimeters (0.31 inches) in length, which is smaller than the diameter of a pencil eraser.

Despite their small size, Paedocypris fish are complex creatures, with well-developed internal organs, a complex reproductive system, and a unique set of adaptations that allow them to thrive in the extreme environments of the peat swamps where they live. They are also known for their sharp teeth and aggressive behavior, and are considered important members of their local ecosystems.

Paedocypris fish were first discovered in 2006 by a team of scientists from Singapore and the United States. Since then, they have attracted a great deal of attention from researchers and the public alike, due to their unusual size and characteristics. They are an important area of study for scientists interested in understanding the diversity of life on earth and the ways in which organisms can adapt to extreme environments.
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The smallest fish on earth is a type of angler fish that lives deep beneath the ocean. This fish is called a male photocorynus spiniceps. They can measure around 0.24-0.29 inches. This fish is also the smallest known vertebrate.
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In the blackwaters the Peat swamp forest of South East Asia lives the world smallest fish , the dwarft minnow of the genus paedocypris. This extreme environment characterized by low oxygen and high acidity had been home to several miniaturized fish species. 

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The smallest fish in the world is dwarf minnow of the genus paedocypris which is 7.9 mm  at maturity lives in the murky blackwaters of the swamp forests of southeast Asia. 
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Photocorynus spiniceps is a species of anglerfish in the family Linophrynidae. The smallest marine fish in the world. The known mature male individuals are 6.2-7.3 millimeters (0.24-0.28 inches), smaller than any other mature fish and vertebrate; the females, however, reach a significantly larger size of up to 50.5 millimeters (2 inches).

Schindleria brevipinguis is a species of marine fish in the family Gobiidae of Perciformes. Known as the stout infantfish, it is native to Australia's Great Barrier Reef and to Osprey Reef in the Coral Sea. Schindleria brevipinguis is ranked second smallest marine fish in the world. Males have an average standard length of 7.7 mm (0.30 in), a gravid female was 8.4 mm (0.33 in).
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The world's smallest fish is the Paedocypris fish, which is found in the swamps of Indonesia. It measures only 7.9 mm (0.3 inches) long.
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In the murky blackwater's of the peat swamp Forests of southeast Asia lives the world's smallest fish,the dwarf minnow of the genus paedocypris which measures about 7.9mm
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dwarf minnow

In the murky blackwaters of the peat swamp forests of Southeast Asia lives the world's smallest fish, the dwarf minnow of the genus Paedocypris. This extreme environment, characterized by low oxygen and high acidity, is home to several miniaturized fish species.
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The world's smallest fish is the Paedocypris fish, which is native to the swamps of Indonesia. The adult female Paedocypris typically grows to only about 7.9mm
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In the murky blackwaters of the peat swamp forests of Southeast Asia lives the world's smallest fish, the dwarf minnow of the genus Paedocypris. This extreme environment, characterized by low oxygen and high acidity, is home to several miniaturized fish species
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The smallest fish in the world is the Paedocypris progenetica, a species of carp-like fish found in the swamps of Indonesia. It measures only about 7.9-10.3 millimeters (0.31-0.41 inches) in length when fully grown.

REGARDS TOM.
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The Paedocyprus is the smallest fish on Earth , measuring only 7.9 millimetres in length. It is found in the swamps and streams of Indonesia.
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The world's smallest fish is the Paedocypris progenetica, which is found in Southeast Asia. These fish measure in at just 7.9 millimeters in length, making them the smallest known vertebrate animals on Earth. They live in acidic peat swamps, and feed on small crustaceans and larvae.
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The world's smallest fish is the Paedocypris fish, which was discovered in the swamps of Sumatra in 2006. The male Paedocypris measures only about 7.9 millimeters (0.31 inches) in length, making it the smallest ku
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The world's smallest fish is the Paedocypris fish, which is found in the swamps of Southeast Asia. The Paedocypris is a tiny freshwater fish that typically measures around 7.9 mm (0.3 inches) in length. It was discovered in 2006 by a team of researchers from the National University of Singapore, who described it as "the smallest vertebrate ever discovered". 
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The smallest fish on earth is Photocorynus Spiniceps. These are 0.24 to 0.29 inches long. It is not only the smallest fish in the world, but it’s also the world’s smallest known vertebrate.
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The world's smallest fish is the Paedocypris progenetica, a species of cyprinid fish found in the swamps of Sumatra, Indonesia. It measures an average of 7.9 millimeters (0.31 inches) in length, making it incredibly tiny. The females of this species are generally larger than the males. Interestingly, the breeding behavior and specialized structures of Paedocypris progenetica make it an intriguing subject for researchers studying evolution and adaptation to extreme environments. 
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The world's smallest fish is the stout floater (Schindleria brevipinguis), which is found in the waters of the Indian and Pacific Oceans. It typically measures around 7-8 millimeters (0.27-0.31 inches) in length, making it the smallest known fish species by length.
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