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A newt is a salamander in the subfamily Pleurodelinae. The terrestrial juvenile phase is called an eft. Unlike other members of the family Salamandridae, ...
A rough-skinned newt underwater A rough-skinned newt at Brice Creek in Oregon. Throughout much of the newt's range, the common garter snake (Thamnophis sirtalis) has been observed to exhibit resistance to the tetrodotoxin produced in the newt's skin. While in principle the toxin binds to a tube-shaped protein that acts as a sodium channel in ...
[1] [2] Their common name is Pacific newts, sometimes also western newts [3] or roughskin newts. The four species within this genus are the California newt , the rough-skinned newt , the red-bellied newt , and the sierra newt , all of which are found on the Pacific coastal region from southern Alaska to southern California, with one species ...
The California newt has warty, slate-gray skin on its back and bright orange-yellow skin underneath. It is very similar in appearance to the rough-skinned newt and they are often indistinguishable without dissection, but in general, the California newt has orange skin around the bottom of its eye while the Rough-skinned has gray skin at the bottom of its eye.
Four species are categorized as endangered by the International Union for Conservation of Nature: the Barton Springs salamander, the Texas blind salamander, the black-spotted newt, and the Houston toad. Furthermore, Texas law protects several native amphibians, designating eleven species as threatened within the state and four others as endangered.
The eastern newt (Notophthalmus viridescens) is a common newt of eastern North America.It frequents small lakes, ponds, and streams or nearby wet forests. The eastern newt produces tetrodotoxin, which makes the species unpalatable to predatory fish and crayfish. [3]
Salamanders and newts Fire salamander (Salamandra salamandra) — has bred at least once [citation needed] Alpine newt (Ichthyosaura alpestris) (naturalised) [1] Italian crested newt (Triturus carnifex) [2] Toads Midwife toad (Alytes obstetricans) (naturalised) [3] Yellow-bellied toad (Bombina variegata) — was naturalised but current status ...
The northern crested newt, great crested newt or warty newt (Triturus cristatus) is a newt species native to Great Britain, northern and central continental Europe and parts of Western Siberia. It is a large newt, with females growing up to 16 cm (6.3 in) long. Its back and sides are dark brown, while the belly is yellow to orange with dark ...