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Eastern newts eat a variety of prey, such as insects, springtails, soil mites, small mollusks and crustaceans, young amphibians, worms, and frog eggs. [16] They also eat a lot of snails, beetles, ants, and mosquito larvae, with an annual ingestion of about 35,000 kcal.
The Pacific newts (Taricha) and the Eastern newts ... A single newt female can produce hundreds of eggs. For instance, the warty newt can produce 200–300 eggs ...
Taricha newts can be lethal to humans if ingested, and at least one human fatality occurred in Oregon from eating a rough-skinned newt. Eastern newts of the genus Notophthalmus (= Diemictylus of earlier authors) also secrete tetrodotoxin, but in lesser amounts.
Female hellbenders lay 150–200 eggs over a two- to three-day period; the eggs are 18–20 mm (0.71–0.79 in) in diameter, connected by five to ten cords. As the female lays eggs, the male positions himself alongside or slightly above them, spraying the eggs with sperm while swaying his tail and moving his hind limbs, which disperses the ...
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 coloration of the red salamander has been hypothesized to mimic that of the red eft stage of the eastern newt (Notophythalmus viridescens) which emits a powerful neurotoxin in their skin. [29] This phenomenon is known as the Mullerian Mimicry Complex. [30]
Before the eggs are deposited, male mudpuppies leave the nest. [6] Once ready, the female deposits the eggs in a safe location, usually on the underside of a rock or log. [7] They can lay from 20 to 200 eggs, [4] usually an average of 60. [6] The eggs are not pigmented and are about 5–6 mm (0.20–0.24 in) mm in diameter.
Eastern newt: Adults are 2.5 to 5.5 inches (6.4 to 14.0 cm) long and are colored olive green to greenish brown. Plethodon cinereus: Red-backed salamander: Adults are 2.3 to 5 inches (5.8 to 12.7 cm) long and are generally darkly colored, with a red stripe on their back early in their life cycle. Siren intermedia nettingi: Western lesser siren