出典:Wiktionary
出典:Wikipedia
出典:『Wikipedia』 (2010/07/16 15:54 UTC 版)
The unken reflex is a passive defense posture adopted by toads, frogs and salamanders. When threatened by predators, they twist their bodies, or arch their backs and limbs to expose brightly-colored aposematic skin. The normally-concealed red, yellow, white and black patterns on the underbelly, inner surfaces of the limbs or underside of the tail serve as a visual warning to predators. To reinforce the warning, unken reflex is sometimes accompanied by toxic and malodorous secretions from glands in the skin. This is the case with the Rough-skinned Newt, who releases the toxin tetrodotoxin while engaging in the unkenreflex.
| ・unkenreflex | |
| ・Hiericus | |
| ・Chlorothen | |
| ・YLR116W | |
| ・CE31510 | |
| ・new Word | |
| ・begorry | |
| ・fingertipping | |
| ・NCQR | |
| ・Mpmv19 |