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Marbled Newt

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Scientific name: Triturus marmoratus

The basics:
The Marbled Newt is native to southern France and northern Spain and Portugal. Like most newts, they prefer moist forest floor close to moving water. They can be found under rocks, leaf litter and wood on the forest floor.

The Marbled Newt is a large newt, and can reach 7 inches (17 cm) in length. They are a colorful species and have green and black blotches on their bodies. While they are locally endangered in some locations, according to the International Union for Conservation of Nature and Natural Resources (ICUN), "Triturus marmoratus is listed as Least Concern in view of its wide distribution, tolerance of a broad range of habitats, presumed large population, and because it is unlikely to be declining fast enough to qualify for listing in a more threatened category."

Appearance / health:
Adults can reach up to 7 inches, but most salamanders have been noted more average at around 5 or 6 inches. They have dark brown or black bodies with green patterns from the tip of the nose to the tip of the tail. The green patterns give it it’s common name, as it makes the newt look like it is marbled with green colors. Along with the green color patterns, there is also a red to orange color line running from the base of the skull along the spine to the tip of the tail. Breeding males have a large wavy crest that runs from the neck to the tip of the tail. This crest is usually black with yellow to white striping.

Behavior / temperament:
Marbled Newts are usually pretty docile, but handling should not be done often. The oils and chemicals of our skin can harm their delicate sensitive skin. Only handle when necessary, such as for tank maintenance. If threatened, they may secrete a distasteful toxic liquid from their skin. This usually has no effect on humans. People with sensitive skin and allergies may have a reaction, so wear latex gloves if uncertain.

Housing:
A pair of Marbled Newts can live in a 10 gallon tank. If housing more than that, provide a larger tank that will give the newts more floor space. Younger and single newts may be kept in smaller containers such as Kritter Keepers.

Temperatures inside the enclosure should not reach over 70F. The ideal gradient should be between 60-65F. Newts need humidity to keep their skin moist, so the tank should have substrate that will hold moisture. This usually is potting soil or coco fiber. Spray the substrates a few times a week to keep it damp, but not muddy. A shallow water dish may be provided, as they may like to soak in it. Tank décor should be items that will allow the newts to hide. Provide different hiding spots by using bark, logs, rocks, leaves, and other naturalistic items.

Diet:
Blackworms, earthworms, crickets, wax worms, and other soft bodied insects should make up the adults diet. Babies can be fed fruit flies, pin head crickets and chopped worms. Larvae should be fed brine shrimp, and finely chopped blood or black worms.

Breeding:
Before breeding the male and female Marbled Newts should go through a hibernation period. After awaking, they should be moved to a more aquatic set up to stimulate breeding. If the female is receptive to mating, the pair will begin courtship. The male will position himself in front of the female, will deposit his spermatophores, and will encourage her to follow him by releasing pheromones. He will then lead her over the deposits and she will gather them with her ventral area. When the female is ready to lay, she will lay each egg singly on a water plant and will bend the tip of the leaf over the egg for form a cover. Once she lays her eggs, move the plants into a separate aquarium. If the eggs are left, the adults aquarium, they may be eaten. Hatching occurs within two to three weeks and they will metamorphose about two the three months later into baby newts. Once they begin to lose their gills, make sure there is a land area that is easy accessible by the baby newts as they will begin to come on land. Once they are babies, and on land, care should resume for them the same as for the adults.

Behavior Tip

Marbled Newt

From Jan 30 2015 8:34PM

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