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The main breeding season for newts (in the Northern Hemisphere) is in June and July. A single newt female can produce hundreds of eggs. For instance, the warty newt can produce 200–300 eggs (Bradford 2017).
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]
The smooth newt, European newt, northern smooth newt or common newt (Lissotriton vulgaris) is a species of newt. ... Females lay their eggs on water plants, and ...
Predation on newts by T. sirtalis also shows evidence that tetrodotoxin may serve as protection of eggs by the mother. While TTX is mainly located in the glands of the skin, the rough-skinned newt, as well as some other amphibians also possesses TTX in the ovaries and eggs.
The California newt or orange-bellied newt (Taricha torosa), is a species of newt endemic to California, in the Western United States. Its adult length can range from 5 to 8 in (13 to 20 cm). [ 2 ] Its skin produces the potent toxin tetrodotoxin .
One to three weeks later, the females join them and the newts mate. [2] Red-bellied newts lay their eggs in fast-flowing streams or rocky rivers. The females lay their eggs in about 12 streamlined clusters with six to 16 eggs each, [10] and the eggs are typically attached to the bottoms of rocks, or on branches and roots leaning into the stream ...
Crested newt females usually lay around 200 eggs per season, while the marbled newt (T. marmoratus) can lay up to 400. Triturus embryos are usually light-coloured, 1.8–2 mm in diameter with a 6 mm jelly capsule, which distinguishes them from eggs of other co-existing newt species that are smaller and darker-coloured.
The Iberian ribbed newt (Pleurodeles waltl), also known commonly as the Spanish ribbed newt and el gallipato in Spanish, is a species of salamander in the subfamily Pleurodelinae of the family Salamandridae. The species is native to the central and southern Iberian Peninsula and Morocco. [2] It is the largest European newt species.