United Pet Club
Lykoi — a Small, Affectionate Cat breed originating in United States

Lykoi

The Lykoi is a striking partially-hairless 'werewolf cat' that is affectionate, intelligent, and loyally devoted to its family.

Size
Small
Lifespan
12–15 years
Origin
United States
Temperament
Affectionate
Standard colors
Black, White and Blue and 13 more
Key Traits
AffectionateIntelligentPlayfulLoyalEnergetic

Characteristics

Energy Level4
Trainability4
Good With Kids3
Good With Pets4
Grooming Needs5

Coat and grooming

How the Lykoi coat is built, and what that means when you groom it.

Coat layers
Single coat
Coat length
Short
Shedding
Low shedding

Grooming guidance

  • Caution: A Lykoi needs protection from the sun.

    Bare skin burns quickly and offers no insulation against cold either. Time outdoors needs shade, a coat in cool weather, or a sunscreen a vet has approved for animals.

Lykoi colors and patterns

What each club's breed standard says about every Lykoi color and pattern. Point at a ruling to see the club's own wording.

Breed standards describe the Lykoi in Black, White, Blue, Lilac, Silver, Platinum, Brown, Chocolate, Seal, Sable, Cinnamon, Red, Gold, Cream, Fawn and Champagne. Standard patterns: Solid, Bicolour, Harlequin, Roan, Pointed, Tabby, Mackerel tabby, Classic tabby, Spotted tabby, Ticked tabby, Tortoiseshell, Calico, Torbie, Mink, Sepia, Van, Smoke, Shaded, Chinchilla and Caliby.

Coat: rulings by club
Color or patternTICACFAFIFEGCCF
BlackStandard (“Black roan”)StandardStandard (“black”)Standard
WhiteNo rulingStandardStandard (“white”)Not recognised (“white self”)
BlueNo rulingStandardStandard (“blue”)Standard
LilacNo rulingStandardStandard (“lilac”)Standard
SilverNo rulingNo rulingStandard (“silver”)No ruling
PlatinumNo rulingNo rulingStandard (“lilac”)No ruling
BrownNo rulingNo rulingStandard (“black tabby”)No ruling
ChocolateNo rulingStandardStandard (“chocolate”)Standard
SealNo rulingNo rulingStandard (“seal”)No ruling
SableNo rulingNo rulingStandard (“brown”)No ruling
CinnamonNo rulingStandardStandard (“cinnamon”)Standard
RedNo rulingStandardStandard (“red”)Standard
GoldNo rulingNo rulingStandard (“golden”)No ruling
CreamNo rulingStandardStandard (“cream”)Standard
FawnNo rulingStandardStandard (“fawn”)Standard
ChampagneNo rulingNo rulingStandard (“chocolate”)No ruling
Patterns
SolidStandard (“Solid”)Standard (“solid-colored”)Standard (“solid”)No ruling
BicolourNo rulingStandard (“bicolor”)Standard (“bicolour”)Not recognised (“bicolours”)
HarlequinNo rulingNo rulingStandard (“harlequin”)No ruling
RoanStandard (“roan”)Standard (“Roaning”)Standard (“roan”)Standard (“roaning”)
PointedNo rulingNo rulingStandard (“Siamese pointed”)No ruling
TabbyNo rulingNo rulingStandard (“tabby”)No ruling
Mackerel tabbyNo rulingNo rulingStandard (“mackerel”)No ruling
Classic tabbyNo rulingNo rulingStandard (“blotched”)No ruling
Spotted tabbyNo rulingNo rulingStandard (“spotted”)No ruling
Ticked tabbyNo rulingNo rulingStandard (“ticked”)No ruling
TortoiseshellNo rulingNo rulingStandard (“tortie”)No ruling
CalicoNo rulingNo rulingStandard (“tortie with white”)No ruling
TorbieNo rulingNo rulingStandard (“tortie tabby”)No ruling
MinkNo rulingNo rulingStandard (“Tonkinese pointed”)No ruling
SepiaNo rulingNo rulingStandard (“Burmese pointed”)No ruling
VanNo rulingNo rulingStandard (“van”)No ruling
SmokeNo rulingNo rulingStandard (“smoke”)No ruling
ShadedNo rulingNo rulingStandard (“shaded”)No ruling
ChinchillaNo rulingNo rulingStandard (“shell”)No ruling
CalibyNo rulingNo rulingStandard (“tortie with white”)No ruling
Eyes: rulings by club
Color or patternTICAFIFEGCCF
BlueNo rulingStandard (“deep blue”)No ruling
OrangeNo rulingStandard (“copper or deep orange”)No ruling
CopperNo rulingStandard (“copper or deep orange”)No ruling
AmberNo rulingNo rulingStandard (“amber”)
YellowNo rulingStandard (“golden yellow”)No ruling
GoldStandard (“Gold”)Standard (“golden yellow”)Standard (“Gold”)
GreenNo rulingStandard (“green”)No ruling
AquaNo rulingStandard (“aquamarine”)No ruling
Patterns
Odd-eyedNo rulingStandard (“odd eyed”)No ruling

What the rulings mean

Standard
Described by the club's breed standard.
Not recognised
The club does not accept this colour or pattern for the breed.

Color changes

How a Lykoi's colors can change over its life.

  • Brownchanges toCopal

    Coat · With age · from 0 to 52 weeks

  • Blackchanges toRusset

    Coat · Progressive

  • Tabbychanges toSolid

    Coat · With age · from 0 to 39 weeks

  • Whitechanges toShaded

    Coat · With age

  • Whitechanges toChinchilla

    Coat · With age

  • Tabbychanges toShaded

    Coat · With age · from 0 to 6 weeks

  • Tabbychanges toChinchilla

    Coat · With age · from 0 to 6 weeks

  • Bluechanges toTortoiseshell

    Coat · With age

  • Blackchanges toBrown

    Coat · With body condition · can change back

  • Blackchanges toBrown

    Coat · In the sun · can change back

  • Blackchanges toBrown

    Coat · Progressive

  • Whitechanges toPointed

    Coat · With age · from 1 to 52 weeks

  • Solidchanges toSmoke

    Coat · With age · from 3 to 104 weeks

  • Bluechanges toGreen

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toYellow

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toGold

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toCopper

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toOrange

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toHazel

    Eyes · With age · from 4 to 17 weeks

  • Bluechanges toAmber

    Eyes · With age · from 4 to 17 weeks

About the Lykoi cat breed

The Lykoi is a small, partly hairless cat nicknamed the werewolf cat for its roan coat. Affectionate, clever and devoted to its household.

Ask most people what a werewolf cat looks like and they will describe the Lykoi without ever having met one. This is a small domestic cat that came out of natural mutations turning up in feral and moggy shorthair populations across the United States. The bare patches around the eyes, muzzle, chin and feet, set against a roan coat of mixed black and white hairs, are what earned it that folklore nickname. The word Lykoi itself traces back to a Greek term for wolf.

Looks aside, there is nothing eerie about the temperament. A Lykoi is a grand companion, warm with the people it knows, playful long past kittenhood and forever nosing into whatever you happen to be doing. Bonds form hard and fast, and the cat will trail after its household from the kitchen to the sitting room and back again.

The coat is a law unto itself. Patches go bare entirely, and the overall covering thickens or thins with the seasons. One month a Lykoi may moult in fistfuls, the next it grows back, which leaves the breed with that shifting, weathered, half-wild look.

Lykoi quick facts
AttributeDetail
OriginUnited States
SizeSmall
Lifespan12 to 15 years
Group/roleCompanion cat
Good withFamilies, attentive owners, other pets when introduced gradually

Who the Lykoi suits

Households that want a busy, people-minded cat and are not put off by an unusual face will get on well here. The breed's devotion and go suit a home where someone is about most of the day and happy to play. The half coat asks for a bit of skin care, so an owner who can keep a light grooming habit going is the right match.

History of the Lykoi cat breed

The Lykoi came from natural coat mutations in domestic shorthair cats, with deliberate breeding starting in Tennessee in the early 2010s.

As breeds go, the Lykoi is very much a newcomer. Cats carrying its partial-hairlessness mutation had cropped up here and there in feral and shorthair populations for years, but nobody set out to breed them on purpose until the 2010s.

The story runs through breeders in Tennessee who looked closely at two unrelated litters showing the same roan, half-bare coat. Vets ruled out disease and skin disorders as the cause, and DNA work confirmed these were ordinary domestic shorthairs, not cousins of the Sphynx or any other hairless breed.

To prove the trait was a recessive natural mutation and not a fluke, breeders paired unrelated cats that carried it. The kittens came out with the same coat, which settled that the look could be reproduced reliably. Outcrossing to black domestic shorthairs has stayed part of the programme ever since, keeping the gene pool in good order.

Cat registries brought the Lykoi into competition in stages across the years that followed. It is still an uncommon breed, and the number of breeding programmes remains small next to the long-established cats.

Appearance of the Lykoi cat breed

The Lykoi is a small to medium cat with a partial roan coat, bare patches on the face and feet, and large eyes that give it a wolfish look.

Everything about the Lykoi's appearance comes back to the coat, or rather the want of it. The body underneath is lean and athletic, small to medium in build. Hair grows sparse or vanishes altogether around the eyes, nose, muzzle, chin and the backs of the feet, while the rest of the cat carries a thin roan covering. Pigmented and colourless hairs mingle to throw up that silvery, grizzled cast the werewolf name plays on.

The head is a modified wedge, topped by large upright ears, with wide expressive eyes set into it. The legs run slender and the tail falls shorter than the body. Because the coat is never fixed, the very same cat can read as fuller or barer from one season and moult cycle to the next.

Breed standard summary
TraitStandard
HeightRoughly 20 to 25 cm at the shoulder
WeightAbout 1.8 to 3.6 kg (4 to 8 lb)
CoatPartial roan; hairless on face and feet
ColoursBlack roan (black and white hairs mixed)
EyesLarge, rounded, often yellow to gold

Coat and colours

The recognised coat is a black roan, black hairs threaded through with white or colourless ones over the whole body. The face mask and feet are usually bare. Density is anything but settled: a Lykoi can moult a fair share of its coat and grow it back later, so thickness swings through the year. Where the skin shows, it carries the pigment beneath and runs anywhere from pink to a dark grey.

Temperament of the Lykoi cat breed

The Lykoi is affectionate, playful and clever, fiercely loyal to its family and alert but measured around strangers and other pets.

For all the wild look, the Lykoi is a soft touch with its own people. It ties itself closely to the household, seeks out company and tends to pad along after its owners and settle wherever they land. Once trust is earned, affection comes easily and often.

Strangers get a different reception, at least to start. The breed turns alert and a touch reserved, a watchfulness owners often liken to a dog sizing up a caller at the door. That reserve softens after a short while. Underneath it sits a clever, curious cat that takes to puzzle toys and interactive play with real appetite.

With children and other animals a Lykoi generally does grand, provided introductions are made slowly. The hunting drive runs strong, a leftover from the feral cats at the root of the breed, so wand toys and chase games earn their keep. Energy stays high right through adulthood, and a bored Lykoi can turn bold and restless without an outlet.

Trait ratings (1 = low, 5 = high)
TraitRating
Affection4
Energy4
Trainability4
Vocalness2
Shedding3

Caring for the Lykoi cat breed

The Lykoi needs regular skin care because of its partial coat, plus daily play and a warm indoor home to stay comfortable and well.

Grooming a Lykoi is a different job to grooming a fully coated cat, and it comes down to the skin. Bare areas gather oils over time, so the breed does better with routine cleaning than with heavy brushing.

Grooming

  • Wipe or bathe the skin now and again to lift oil buildup off the bare patches
  • Clean the ears gently, as the exposed ear skin traps debris
  • Keep an eye on the eye and muzzle areas, which are often hairless
  • Trim the claws every few weeks
  • Brush the coated areas lightly through a moult to clear loose hair

Exercise

  • Set aside daily interactive play with wand or chase toys to feed the hunting drive
  • Give it height to climb, a cat tree or a run of shelves
  • Rotate puzzle feeders and toys so the mind stays busy
  • Split active play across two or more short sessions a day

Environment

An indoor life suits the Lykoi best. The sparse coat gives little insulation, so the cat loses heat in a cold room and its bare skin burns easily in the sun. Keep the house comfortably warm, lay on warm spots to rest, and mind the direct sun coming through windows.

Feeding the Lykoi cat breed

The Lykoi needs a balanced, protein-forward cat diet sized to its small frame and busy habits, with fresh water always to hand.

Like every cat, the Lykoi is an obligate carnivore, and it does best on a complete, balanced diet built around animal protein. The catch is size against energy: this is a small cat with plenty of go, so portions matter, enough fuel for the activity without tipping into overfeeding. Some owners find a slightly higher calorie intake helps the bare-skinned body through a cold snap, though the weight still wants watching.

General feeding guide
Life stageAmount per dayMeals
Kitten (to 12 months)Free-fed or measured per package, growth formula3 to 4
Adult (1 to 7 years)About 45 to 70 g dry or equivalent wet, to body condition2
Senior (7+ years)Adjusted to activity and body condition2

Treats and supplements

Treats want to stay under roughly ten percent of the day's calories. A scrap of plain cooked meat makes a grand reward. A food labelled complete and balanced already carries the nutrients a cat needs, so supplements are rarely called for. Run any addition, such as a skin or coat product, past a vet before you start it.

Health of the Lykoi cat breed

The Lykoi is generally healthy with a lifespan of 12 to 15 years, though the bare skin needs minding and the breed is young enough that long-term data is thin.

By and large the Lykoi is reckoned a healthy breed, with a lifespan that usually falls between 12 and 15 years. The founding cats came from outbred domestic shorthair stock, and continued outcrossing keeps the genetic diversity up. Being a recent breed, its long-term health record is still being written, and no breed-defining hereditary disease has been pinned down. The everyday worries almost all trace back to the exposed skin.

Conditions to watch
ConditionSignsNote
Skin oil buildupGreasy or dirty bare areas, odourManage with routine skin cleaning
SunburnReddened or sore exposed skinLimit direct sun on bare areas
Cold sensitivitySeeking heat, shiveringKeep the home warm; provide warm beds
Dental diseaseBad breath, drooling, gum rednessCommon in cats generally; brush teeth and have checkups

Preventive care

  • Book an annual vet exam, more often once a cat is a senior
  • Keep core vaccinations and parasite prevention up to date
  • Hold to a dental care routine
  • Check the skin regularly for irritation, parasites or sores
  • Watch the body condition to head off weight gain

Training the Lykoi cat breed

The Lykoi is clever and responsive, which makes it well suited to play-based training, trick work and harness walking using rewards.

Among cats, the Lykoi sits near the top for trainability. Its wits and its attachment to people mean it actually pays heed to its owners and picks things up fast, so long as sessions stay short and worth its while. Clicker work and food rewards land well, and plenty of individuals take real pleasure in learning tricks, fetch or harness walks. Better still, that strong prey drive can be poured into trained games rather than left to find its own mischief.

Basics

  1. Start with litter habits, which most kittens take to readily, and keep the trays clean
  2. Bring in a marker such as a clicker, pairing it with a small treat
  3. Teach plain cues like come and sit with lure-and-reward
  4. Build up to tricks or harness training across short daily sessions
  5. Steer rough play or hunting on people onto toys, never onto hands

Breeding the Lykoi cat breed

The Lykoi coat comes from a recessive gene, so planned pairings and outcrossing to black domestic shorthairs produce kittens and keep the line healthy.

Genetics sit at the heart of any Lykoi litter, because the coat rides on a recessive mutation. A kitten shows the look only when it inherits the gene from both parents. Breeders pair two Lykoi to get fully coated Lykoi kittens, and they also outcross to black domestic shorthairs to broaden the gene pool. A cat from an outcross carries the gene without wearing it and can be bred back into the programme later.

Females come into sexual maturity inside their first year, though a responsible breeder holds off until a cat is grown and health-checked before any mating. Gestation runs to about 63 to 67 days, much the same as other cats. Litters tend to be small. Kittens arrive with more coat than they will keep, then grow into the telltale half-bare pattern as they mature.

Queens rear their kittens over several weeks, with weaning around four to six weeks and rehoming usually held until after twelve weeks, once the kittens are socialised and vaccinated. The breed being uncommon, waiting lists for kittens from established breeders are the norm rather than the exception.

Breeding facts
MetricValue
Sexual maturityWithin the first year
GestationAbout 63 to 67 days
Typical litter size2 to 5 kittens
Weaning age4 to 6 weeks
Earliest rehomingAbout 12 weeks
InheritanceRecessive coat gene; outcross to black domestic shorthair

Your Lykoi registered and chipped, sorted for good

No law covers cat chips in Ireland, which makes a free United Pet Club record the only thing standing behind your Lykoi's number.

Registering a Lykoi in Ireland

The whole of cat registration is a form: her name, her colouring, a photo, your phone number, save. Free for life with United Pet Club, chip or no chip, indoors or out.

A chip under her skin with no record behind it is a riddle nobody can solve. Lodge the number with United Pet Club instead: free for life, any brand at all, updates that never cost a cent, and a record that answers scans at home or abroad. Register the microchip, then the free account finishes the profile.

How do I register my Lykoi in Ireland?

Open a free United Pet Club account, put in her name, colouring, and a photo, and save the profile. It stays live for the whole of her life at no cost, and a chip is not needed to begin.

How do I register my Lykoi's microchip?

Lodge the fifteen digit number from the vet's paperwork in your free account with your current contact details. The lifetime plan never asks for a penny, not for the record and not for updates.

Do cats have to be chipped in Ireland?

No, the 2015 chipping law covers dogs only. That is exactly why a registered chip matters for a Lykoi: without your record, there is nothing at all connecting her number to your phone.

What does it cost to register a Lykoi?

Nothing whatsoever. United Pet Club's lifetime plan takes care of the profile, the chip record, and every amendment, free for the whole of her life.

Lykoi cat breed frequently asked questions

Common questions about the Lykoi cover its size, temperament, care needs, lifespan, suitability and how hard it is to track down.

How big does a Lykoi get?

The Lykoi is a small to medium cat, usually weighing about 1.8 to 3.6 kg (4 to 8 lb) on a lean, athletic frame.

What is the Lykoi's temperament like?

It is affectionate, playful and clever, with fierce loyalty to its family. It can be reserved with strangers at first but warms up quickly, and it keeps a high prey drive into adulthood.

Is the Lykoi hard to care for?

Care is moderate. The partial coat needs routine skin cleaning, the cat should be kept warm indoors, and it wants daily play. None of that is difficult, but it is ongoing.

How long do Lykoi cats live?

A Lykoi typically lives 12 to 15 years with good veterinary care, sound nutrition and an indoor home.

Is the Lykoi a good family pet?

Yes. It bonds closely with its household and generally does grand with children and other pets when introductions are gradual. It suits a home where someone is about often to give it attention and play.

Is the Lykoi hypoallergenic?

No. The partial coat still throws off dander and the allergen found in cat saliva, so the breed is not hypoallergenic. Anyone with allergies should spend time around the breed before committing.

Are Lykoi cats easy to find?

No. The Lykoi is a recent, uncommon breed with only a handful of breeding programmes, so kittens are scarce and waiting lists are common.