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・ Lesser celandine
・ Lesser chameleon
・ Lesser Chinese softshell turtle
・ Lesser Congo shrew
・ Lesser coucal
・ Lesser crested tern
・ Lesser Cuban nesophontes
・ Lesser cuckoo
・ Lesser cuckooshrike
・ Lesser Cyclades
・ Lesser devil ray
・ Lesser dog-like bat
・ Lesser dwarf shrew
・ Lesser Egyptian jerboa
・ Lesser elaenia
Lesser electric ray
・ Lesser false fritillary
・ Lesser false vampire bat
・ Lesser fat-tailed jerboa
・ Lesser Festival (Anglicanism)
・ Lesser fish eagle
・ Lesser flamingo
・ Lesser florican
・ Lesser flying fox
・ Lesser forest shrew
・ Lesser Franciscans
・ Lesser frigatebird
・ Lesser gerbil
・ Lesser ghost bat
・ Lesser golden plover


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Lesser electric ray : ウィキペディア英語版
Lesser electric ray

The lesser electric ray (''Narcine bancroftii''), also known as the Brazilian electric ray, small electric ray, spotted torpedo ray, torpedofish or trembler, is a species of numbfish in the family Narcinidae.〔
==Description==
This species of ray has a near-circular body and a short tail. It grows to approximately long, and wide,〔 with colouration ranging from dark brown to reddish orange. It has irregular rings, sometimes oval in shape. The ventral surface ranges from white to greenish. It has tooth rows that vary in number from 17 to 34 in each jaw. This depends on the size of the specimen.〔
It has two electric organs, elongate in shape, that run from the front of the eyes, down to the rear end of the disc. These organs can generate a peak voltage of about 14 to 37 volts, which they use to stun prey and to defend themselves.〔

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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