United Pet Club
Nebelung — a Medium, Gentle Cat breed originating in United States

Nebelung

The Nebelung is a gentle, reserved blue longhaired cat that forms deeply devoted bonds while remaining shy around strangers.

Size
Medium
Lifespan
13–16 years
Origin
United States
Temperament
Gentle
Standard colors
Blue
Key Traits
GentleReservedDevotedIntelligentAloof with strangers

Characteristics

Energy Level5
Trainability3
Good With Kids3
Good With Pets5
Grooming Needs1

Coat and grooming

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

Coat layers
Double coat
Coat texture
Silky
Coat length
Long
Shedding
Seasonal shedding

Grooming guidance

  • Critical: A Nebelung should not be shaved.

    The undercoat keeps heat out as well as in, and the outer coat shields the skin from sun and insect bites. Clipping the whole coat off removes both. It often grows back patchy, soft or a different colour, and in some animals the guard hairs never return properly. Brush the undercoat out instead of cutting it off.

  • Caution: A Nebelung coat mats easily.

    Fine or long hair tangles at the base of the coat, out of sight, where the mats tighten and pull on the skin. Brushing has to reach right down to the roots in sections, not just skim the surface.

  • Information: A Nebelung drops its undercoat in heavy bursts.

    The undercoat comes out in heavy bursts over a few weeks. An undercoat rake, or a bath followed by a proper blow-dry, clears it far faster than daily brushing. Clipping the coat down is not a shortcut for this.

Nebelung colors and patterns

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

Breed standards describe the Nebelung in Blue. Standard patterns: Solid.

Coat: rulings by club
Color or patternTICAGCCFWCF
BlueStandard (“Blue”)Standard (“medium blue”)Standard (“blue”)
Patterns
SolidStandard (“Solid”)No rulingNo ruling
Eyes: rulings by club
Color or patternTICAGCCFWCF
YellowStandard (“yellow/green mixture”)No rulingNo ruling
GreenStandard (“Green”)Standard (“green”)Standard (“intense green”)
Nose: rulings by club
Color or patternGCCFWCF
BlueStandard (“blue”)Standard (“blue-grey”)
Paw pads: rulings by club
Color or patternGCCFWCF
BlueStandard (“blue”)No ruling
LilacNo rulingStandard (“lavender pink”)

What the rulings mean

Standard
Described by the club's breed standard.

Color changes

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

  • Bluechanges toTortoiseshell

    Coat · With age

  • Solidchanges toSmoke

    Coat · With age · from 3 to 104 weeks

Sources

Each ruling comes from the club's published breed standard or color list.

About the Nebelung

The Nebelung is a medium-sized blue longhaired cat from the United States, gentle and deeply loyal to its own household while staying wary of strangers.

The Nebelung is a medium-sized longhaired cat with a solid blue-grey coat and green eyes. The name comes from the German word for fog, a nod to the soft silver-tipped guard hairs that lend the coat a misty look. In build and character the breed sits close to the Russian Blue, and the one obvious difference between them is coat length.

This is a quiet, watchful cat. A Nebelung usually latches onto one or two people and trails after them about the house, keeping an eye on things from a short remove rather than looking for constant lap time. Around the family it is warm and playful. Around callers it tends to slip away until it has had a chance to weigh up the situation.

Because the breed feels upheaval keenly, it settles best in a calm, predictable home. Sudden shifts in routine, a noisy household, or a steady stream of strangers can leave a Nebelung stressed and withdrawn.

Nebelung quick facts
AttributeDetail
OriginUnited States
SizeMedium
Lifespan13 to 16 years
Group / roleLonghaired companion cat
Good withCalm adults, gentle older children, quiet single-pet homes

Who it suits

The Nebelung suits people who want a devoted companion and can offer a steady, low-traffic home. It rewards owners who let it come over on its own terms and who keep the daily routine consistent. It is less suited to busy households with a constant flow of guests, very young children, or homes where the cat would be left on its own for long stretches, since the breed bonds strongly and hates being left in isolation.

History and origin

The Nebelung was developed in the United States in the 1980s from two blue longhaired kittens, with the aim of recreating a longhaired version of the Russian Blue.

The Nebelung is a recent breed that began in the United States during the 1980s. The founding cats were two blue longhaired kittens born to short-haired parents. A breeder by the name of Cora Cobb is credited with starting the programme after she took in these kittens, a male and a female, and set out to establish a longhaired blue cat as a breed in its own right.

The breeding plan leaned on the Russian Blue standard. Because the longhaired kittens resembled Russian Blues in body type and colour, that breed's written standard served as the reference point, with a longer coat added. This kept the Nebelung close to its short-haired relative in conformation while giving it a look of its own.

The International Cat Association accepted the Nebelung for championship status, and the breed has since been recognised by further registries. To keep the small gene pool sound, outcrossing to Russian Blues has been allowed in many programmes.

The Nebelung is still uncommon. Numbers are limited, breeders are few, and the cat is not widely available across most regions, which leaves it a fairly rare choice next to longer-established longhaired breeds.

Appearance and breed standard

The Nebelung is a medium, long-bodied cat with a semi-long blue coat tipped in silver, a neck ruff and plumed tail, and wide-set green eyes.

The Nebelung has a long, graceful body on fine to medium boning, which gives it a lighter look than its coat would suggest. The head forms a modified wedge with large, wide-set ears and a soft expression. A signature feature is the fine semi-long double coat in solid blue, with every hair tipped in paler silver so the cat seems to shimmer as it moves. A ruff around the neck and a full, plumed tail round off the outline.

Breed standard at a glance
TraitStandard
HeightApproximately 23 to 28 cm at the shoulder
WeightRoughly 3 to 5 kg
CoatSemi-long, fine, dense double coat with silver-tipped guard hairs
ColoursSolid blue (blue-grey) only
EyesGreen, oval to slightly rounded, wide-set

Coat and colours

The only accepted colour is solid blue, a clear blue-grey right across the body with no tabby markings, white patches, or other colours. The silver tipping on the guard hairs is what creates the breed's signature misty sheen. Kittens are sometimes born with faint ghost tabby markings that fade as the coat matures, and the adult coat comes in fully over roughly two years. The fur is fine and stands slightly proud of the body rather than lying flat, and toms often carry a heavier neck ruff than queens.

Temperament and personality

The Nebelung is gentle and devoted with its own people, playful in private, and notably shy and aloof around strangers.

The Nebelung is a gentle, even-tempered cat that bonds closely with a small circle of people. Around its family it is affectionate, quietly playful, and happy to stay near at hand, often picking a perch from which it can keep an eye on the household. It speaks in a soft voice and is not usually demanding, though it does look for attention from its chosen person.

With strangers the breed is reserved and will often hide until callers leave or until it has had time to grow easy in their company. It can be slow to warm to new people. Around other pets a Nebelung is generally tolerant when introductions are gradual, but it favours calm companions over boisterous ones. With young children it may back away from rough handling, so it pairs better with gentle, older children.

This is a sensitive cat that sets great store by routine. It tends to dislike change, noise, and commotion, and a settled home helps it stay confident and sociable indoors.

Trait ratings (1 = low, 5 = high)
TraitRating
Affection (with family)4
Energy3
Trainability4
Vocalness2
Shedding3

Care and grooming

The Nebelung needs twice-weekly brushing for its double coat, moderate daily play, and a calm, settled home to stay content.

Grooming

  • Brush the semi-long double coat two to three times a week to keep mats away and cut down on loose hair
  • Step up brushing to most days during the seasonal moult in spring and autumn
  • Check behind the ears, the ruff, and the back of the legs, where tangles tend to start
  • Trim nails every two to three weeks and check the ears for wax or debris
  • Brush the teeth regularly to hold off dental disease

Exercise

  • Offer 15 to 20 minutes of interactive play once or twice a day
  • Use wand toys and puzzle feeders to occupy the breed's clever mind
  • Provide height such as cat trees and shelves for climbing and keeping watch
  • Rotate the toys to hold a curious cat's interest

Environment

The Nebelung does best as an indoor cat in a quiet, predictable home. It values feeding and play at consistent times and can grow withdrawn or stressed when the routine shifts or the household is loud. A perch by a window and a few safe boltholes help it feel secure, especially when guests call round.

Nutrition and feeding

The Nebelung needs a complete, protein-rich cat diet portioned to its body weight, with controlled feeding to head off excess gain in this lighter-boned breed.

The Nebelung does well on a complete and balanced diet made up for cats, with animal protein as the main ingredient. As an obligate carnivore it needs enough protein and fat to hold its muscle and a healthy coat. Working in some wet food supports hydration, which counts for urinary health. Portion to the individual cat's weight and activity level rather than leaving food down all day, since the breed's fine boning can hide weight gain under the longer coat.

General feeding guide (adjust to the individual cat and product label)
Life stageAmount per dayMeals
Kitten (up to 12 months)Per label, fed to appetite while growing3 to 4
Adult (1 to 7 years)Roughly 50 to 70 g dry, or equivalent wet2
Senior (7 years and older)Slightly reduced, keep an eye on weight2

Treats and supplements

Keep treats to no more than about 10 percent of daily calories. Fresh water should always be on hand, and many cats drink more from a wide bowl or a pet fountain. A diet that is already complete and balanced needs no extra supplements unless a vet recommends them, for instance for joint or coat support in older cats.

Health and lifespan

The Nebelung is generally healthy with a typical lifespan of 13 to 16 years, with attention warranted for dental disease, weight, and inherited conditions shared with the Russian Blue.

The Nebelung is reckoned a generally healthy breed and commonly lives 13 to 16 years with good care. It carries no long list of breed-specific defects, partly thanks to the limited gene pool and the outcrossing to Russian Blues. The most routine concerns are the same ones that affect most cats: dental disease, weight management, and the inherited conditions that can crop up in any pedigree line. Responsible breeders screen their breeding cats to lower the risk of passing on heritable trouble.

Conditions to watch
ConditionSignsNote
Dental diseaseBad breath, drooling, eating lessCommon in cats; regular dental care helps
ObesityWeight gain, less activityEasy to miss under the long coat; portion control matters
Urinary tract issuesStraining, frequent or bloody urinationEncourage water intake and keep an eye on litter habits
Inherited heart or kidney conditionsLethargy, changes in breathing, weight lossScreened for by responsible breeders; vet checks aid early detection

Preventive care

  • Yearly veterinary exams, moving to twice yearly for senior cats
  • Keep vaccinations and parasite prevention up to date
  • Regular dental care, including brushing and a professional clean when advised
  • Track weight and body condition at home
  • Keep the cat indoors to cut the risk of injury and disease

Training and enrichment

The Nebelung is intelligent and trainable, responding well to gentle, reward-based methods and games that stretch its problem-solving.

The Nebelung is an intelligent cat that picks things up quickly when training stays calm and consistent. It can be taught to use scratching posts, come when called, walk on a harness, and manage simple tricks. Because the breed is sensitive and reserved, it responds far better to patience and rewards than to pressure. Harsh corrections tend to send it into retreat. Short, regular sessions in a quiet setting work best, and the breed's natural curiosity makes puzzle feeders and interactive toys handy ways to keep its mind busy.

Basics

  1. Start in a quiet room with no distractions and keep sessions to a few minutes
  2. Reward the behaviour you want straight away with a small treat or praise
  3. Use the same words and cues each time so the cat can learn the pattern
  4. Redirect unwanted scratching to an approved post rather than punishing
  5. Finish each session on a success and let the cat rest

Breeding and kittens

Nebelung queens typically mature around 10 to 12 months, carry litters for about 63 to 67 days, and produce small litters that come into their full coat slowly.

Nebelungs reach sexual maturity at roughly 10 to 12 months, though responsible breeders usually hold off until a cat is physically and behaviourally mature before breeding. Gestation runs about 63 to 67 days, and litters are typically small. Because the gene pool is limited, many programmes outcross to Russian Blues to maintain genetic health, and queens and toms are screened before breeding.

Kittens are sometimes born with faint ghost tabby markings that clear as they grow, and the full silver-tipped adult coat can take up to two years to come in. Newborns depend wholly on the queen for the first weeks. Early, gentle handling and exposure to ordinary household sounds matter for this breed, since proper socialisation helps offset its natural shyness with strangers later in life. Kittens should stay with the mother and litter until about 12 to 14 weeks so they are fully weaned and well socialised before heading to new homes.

Breeding facts
MetricValue
Sexual maturityAbout 10 to 12 months
GestationApproximately 63 to 67 days
Litter sizeTypically small (around 2 to 4 kittens)
Coat maturityUp to 2 years for the full adult coat
Recommended rehoming age12 to 14 weeks

Your Nebelung 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 Nebelung's number.

Registering a Nebelung in Ireland

Cats sit outside the 2015 chipping law, so whatever record your Nebelung has is the one you make yourself. Make it a free one: the United Pet Club profile carries your details, her photo, and her chip number for the whole of her life. Registering your cat costs nothing, now or ever.

The fifteen digits on your Nebelung's vet paperwork want a registry. United Pet Club lodges them free, keeps them current through every move, and leaves the record findable whenever a scanner asks. Microchip registration plus a free account: both sorted in one cup of tea.

How do I register my Nebelung 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 Nebelung'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 Nebelung: without your record, there is nothing at all connecting her number to your phone.

What does it cost to register a Nebelung?

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.

Frequently asked questions

Common questions about the Nebelung's size, temperament, grooming needs, lifespan, suitability, and availability.

How big does a Nebelung get?

The Nebelung is a medium-sized cat, generally weighing about 3 to 5 kg. Its long body and full coat can make it look bigger than it is, but the breed is fine to medium boned and lighter than it appears.

What is the Nebelung's temperament like?

It is gentle, devoted, and intelligent, forming close bonds with one or two people. It is reserved and often aloof with strangers, inclined to hide from callers until it feels at ease.

Is the Nebelung hard to care for?

Care is moderate. The semi-long double coat needs brushing two to three times a week to keep mats away, and the cat needs daily play and a calm, settled home. It is otherwise a fairly low-maintenance companion.

How long does a Nebelung live?

With good care a Nebelung typically lives 13 to 16 years. Regular vet checkups, dental care, and weight management support a long, healthy life.

Is the Nebelung a good family pet?

It suits calm households and pairs well with gentle older children and quiet companion pets. It is less easy in noisy, busy homes or around very young children, since it is sensitive to upheaval and rough handling.

Are Nebelungs rare and hard to find?

Yes. The breed is uncommon, with relatively few breeders and small litters, so availability is limited across most regions and waiting lists are the norm.

What is the difference between a Nebelung and a Russian Blue?

The two breeds share body type, blue coat colour, and green eyes and are closely related. The main difference is coat length: the Nebelung has a semi-long coat, while the Russian Blue is short-haired.