Yes. Most newts are poisonous to just about any animal, so do not let your cat eat one, and do not eat one yourself! :D
A bit
Newts have skin similar to that of other amphibians; it is suitable for living on land and in the water. Some newts have poisonous skin.
yup
Cats do attack and eat newts _ see http://george-online.blogspot.com . Froglife (www.froglife.org.uk) suggest making sure there are plenty of amphibian hiding places -- weed in the pond, log piles, long grass etc. The cats I know that catch newts get the newts when they are out of the pond but I expect some cats will fish them out of the pond too. Some cats clear ver small ponds of goldfish! More on www.celiahaddon.com
No the coleus leaves are not poisonous to cats.
As they are amphibians, newts have soft, moist skin as a body covering.
Beetroot leaves are not poisonous to cats. However, cherry leaves and peach leaves are poisonous and harmful for a cat to ingest.
Yes, Maiden Grass (Miscanthus sinensis) is poisonous to cats but, it is only the roots of the plant that are poisonous to them.
California poppies are poisonous to cats. Additional plants poisonous to cats include rhubarb, poison oak, foxtail, and the fruit salad plant.
Polyethylene glycol is not poisonous to dogs and is often found in dog foods. However, it is poisonous to cats.
Anchovies are not poisonous to cats. Most cats can eat any type of seafood, except for starfish and oysters, which can be harmful.
The Tropicana plant is not poisonous to cats. However, the Stinging Nettle, Tobacco, Jimson Weed, and Lily of the Valley is poisonous.