Kasumi salamander - Kasumi salamander

Japanese: カスミサンショウウオ - かすみさんしょううお
Kasumi salamander - Kasumi salamander

A salamander of the order Caudata, class Amphibians, family Hynobiidae. It inhabits the hilly areas and lowlands along the mountains of Honshu west of Shiga and Mie prefectures, as well as Kagawa, Tokushima, Fukuoka, Saga, Nagasaki, and Kumamoto prefectures. Its back is dark brown to yellowish brown with scattered tiny black spots, and its ventral side is light colored. There are prominent yellow stripes on the upper and lower edges of its tail. Its total length is 7 to 11 centimeters. It lays eggs in still water from January to March. When the female attaches one end of the egg sac to a branch or stone in the water and begins laying eggs, a nearby male clings to the egg sac and fertilizes it. The egg sacs are wound in a spiral in pairs, and there are around 200 eggs. Outside of the spawning season, it lives in forests and bamboo groves, feeding on small animals. A subspecies, the Tokyo salamander H. n. tokyoensis , is found in the Kanto and Tokai regions.

[Mitsuru Kuramoto]

Major species of salamanders and newts (specimen drawings)
©Yoshitaka Morikami ">

Major species of salamanders and newts [marks]


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

両生綱有尾目サンショウウオ科のサンショウウオ。滋賀県、三重県以西の本州、および香川、徳島、福岡、佐賀、長崎、熊本各県の丘陵地や山沿いの低地に生息する。背面は暗褐色から黄褐色で微小な黒斑(こくはん)が散在し、腹面は淡色をしている。尾の上下縁に顕著な黄条がある。全長7~11センチメートル。1~3月に止水中に産卵する。雌が水中の枝や石に卵嚢(らんのう)の一端を付着して産卵を始めると、周囲にいた雄が卵嚢に抱きつくようにして授精する。卵嚢は1対で螺旋(らせん)状に巻き、卵数は200個前後。産卵期以外は森林や竹やぶの中で小動物を食べて生活する。関東、東海地方には亜種トウキョウサンショウウオH. n. tokyoensisが分布する。

[倉本 満]

サンショウウオ、イモリのおもな種類〔標本画〕
©森上義孝">

サンショウウオ、イモリのおもな種類〔標…


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