How big do salamanders get?

Answers:
Most are small but some reach up to 5 feet (1.5 m) in length
North America has the hellbender and the mudpuppy which can reach the length of a foot (30 cm) or more. In Japan and China the giant salamander is found, which reaches 5 feet (1.5 m)

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The largest salamander in the US is the hellbender (Cryptobranchus alleganiensis), which gets up to 29 inches. (That's the largest known.)

eNature's hellbender page - http://www.enature.com/fieldguides/detai...

The largest in the world is the Japanese Giant Salamander (Andrias japonicus), which is in the same family as the hellbender. It gets up to almost five feet.

University of Michigan's Japanese giant salamander page - http://animaldiversity.ummz.umich.edu/si...

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well hun what kind do you have? i have 3 fire belly newts(salamanders that are black with orange bellies)
they get about as long as your middle finger not including tail
they can get fat tho, so dont over feed them
i feed mine 4 floating turtle pellets for all of them every day
one died because she over ate she got really really fat but she was already getting fat when i bought her