Tailless (Manx)

Rat · 0 live listings

Tailless, or Manx, rats are born without a tail, a trait linked to spine and pelvic malformations. Rats shed body heat through their tails and use them for balance, so a tailless rat overheats more easily and needs a cool home and low, safe climbing.

At a glance

Origin
Domestic Norway rat, 1800s England
Adult size
9–11 in plus tail; 250–700 g
Lifespan
2–3 years
Housing
Multi-level wire cage, 1/2 in bars
Diet
Lab blocks plus fresh vegetables
Best fit
Families, first-time pet owners
Species
Rat
Category
Small animals
Registries
Breeder litter record, AFRMA (American Fancy Rat and Mouse Association)
Papers
5 categories
HandlingHandle with hind-end care
Social needsNeeds same-sex friends
Care loadCooling and mobility checks
Beginner fitNot for a first rat

Scales follow breed-club and veterinary consensus; individual animals vary. Listings show what each seller has on file.

The tradeoffs, honestly

The gene behind taillessness is linked to spinal problems, hind-leg weakness and incontinence, and many fanciers discourage breeding it. Heat is a real danger in summer.

Common questions

Why is taillessness controversial?

The trait is associated with spinal and pelvic defects, which can cause hind-leg weakness, incontinence and pain. Rats also rely on their tails to cool down and balance, so many fanciers and clubs discourage breeding it.

What health checks should I ask about?

Ask for a vet exam that checks the spine, gait and continence, plus the line's record of respiratory disease (mycoplasma) and tumours. Ask for vet-confirmed sex and a litter record, and whether the babies were born tailless or had tails removed, which is cruel.

How do I keep a tailless rat safe?

Keep the room below about 75°F, avoid tall cage drops, use ramps and low shelves, and watch for any change in how it walks.

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Health tests to ask for
Vet exam on fileFecal exam clearSex confirmed by a vetPhoto ID on fileAFRMA pedigree on file

Ask the seller for these. Documents on Everybarn are on file for your own checks; we don't check them with the issuer.

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Tailless (Manx) · Everybarn