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Blue poison dart frog
The blue poison dart frog or blue poison arrow frog or known by its native name, okopipi, (''Dendrobates tinctorius "azureus"'') is a poison dart frog found in the forests surrounded by the Sipaliwini savannah, which is located in southern Suriname and adjacent far northern Brazil. ''D. tinctorius "azureus"'' is also known by its Tirio Indian name, ''okopipi''. Its scientific name comes from its azure (blue) color. While frequently considered a valid species in the past, recent authorities treat it as a variant of ''D. tinctorius''.〔
==Description==
''Dendrobates tinctorius "azureus"'' is a medium-sized frog that weighs about 8 grams and grows to 3.0-4.5 cm in length. Females are larger and about half a centimeter longer than males, but males have larger toes. The frog has a typical lifespan of five to seven years in the wild. Its bright blue skin, usually darker around its limbs and stomach, serves as a warning to predators. The glands of poisonous alkaloids located in the skin serve as a defense mechanism to potential predators. These poisons paralyze and sometimes kill the predator. The black spots are unique to each frog, enabling individuals to be identified. This species of frog has a distinctive hunch-backed posture.
Each foot contains four toes, which each have a flattened tip with a suction cup pad used for gripping. The tips of the toes in females are round, while males have heart-shaped tips.
As with almost all frogs, tadpoles differ greatly in appearance from adults. They have a long tail, about 6 mm, with a total length of about 10 mm. They lack legs and have gills instead of lungs.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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