Furry Diary

Satin Rat

Rattus norvegicus domestica

Also called Satin fancy rat, Silky rat

Recognised breedShort profile

From United States: the first satins, two Pearl babies, were born on 2 February 1990 in breeder Karen Hauser's (later Robbins) line of pure English rats.12

At a glance the quick version

Weight, male0.45 to 0.65 kg3
Weight, female0.35 to 0.45 kg3
Length20 to 25 cm4
Lifespan1.5 to 3 years53
Sizesmall

General figures for the domestic rat species from the MSD Veterinary Manual; club standards set no separate weight for this coat type, which shares the standard fancy rat body.

Glossy, shimmering coat that deepens its colour
Soft, fine fur that is lovely to stroke
Friendly and curious like all fancy rats
126

Coat and looks how to spot one

Satin (fine, lustrous coat)

The satin gene makes each hair narrower with a clearer outer shell, so the coat looks thinner and slightly longer and gives off a bright, glossy sheen that can almost sparkle on some colours. Colours look deeper than on a standard rat, white areas take on a creamy tint, and the whiskers are wavy and curl back towards the head.1276

Coloursany recognised colour or markingMinkPearlSiamese12

Personality what they are like

The satin coat changes the look of the fur, not the character: satins are as sociable, inquisitive and trainable as other fancy rats when handled from a young age.65

Daily activity how busy a day looks

As lively as any fancy rat. Most active around dusk and through the night, it needs daily supervised time out of the cage, things to climb and forage for, and short play or training sessions.58

Grooming and care the hands-on bits

Rats keep their own coats clean, so the fine satin coat needs no brushing or bathing. A clean cage and dust-free bedding help keep the sheen at its best.58

Home where they are happiest

The largest multi-level rat cage you can fit, with shelves, ropes, ladders, hammocks and hideouts, dust-free bedding such as shredded paper, placed in a quiet room around 19-23 C away from direct sun and draughts.83

Food basics what goes in the bowl

A complete rat nugget or pellet as the daily staple, with small portions of vegetables, a little fruit, grains and cooked egg counted into the ration. Keep sugary or fatty bits for training rewards, scatter some food to encourage foraging, and provide fresh water from a bottle at all times.9

Company who they like around

A very sociable animal that should share its home with at least one other rat, in a same-sex pair or small group or a neutered mixed pair, and enjoys daily time with its people.56

The story where it all began

Satin rats appeared as a spontaneous recessive mutation in Karen Hauser's (later Robbins) English line in 1990, with two Pearl satins the first to be noticed. She went on to breed satins in Mink, Pearl, Siamese and more, and AFRMA standardised the variety in 1995.12

Fun facts for the dinner table

  1. 1

    You can often spot a satin baby at birth because its whiskers are wavy and curl back against the head.2

  2. 2

    Satin hairs are thinner and more transparent, which makes coat colours look darker than on a standard rat.2

  3. 3

    The very first satin rats were two Pearl babies born on 2 February 1990.1

  4. 4

    On a satin, white areas of the coat show a yellowish tint.1

Recognised by the official bits

American Fancy Rat and Mouse Association (AFRMA)
Standardised on 15 October 1995 as one of AFRMA's seven varieties; can be shown in any recognised colour or marking, with a lustrous sheen and a fine, thinner, longer-looking coat.1

The care rhythm Furry Diary remembers it for you

A typical home-care rhythm for a Satin Rat. It is our own starting plan, not a vet's advice, and you can change every line in the app.

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Where this comes from

Every breed page shows where each fact comes from. If we got something wrong, sorry, we are pet people, not a science magazine. Tell us at support@furrydiary.app and we will fix it.

  1. AFRMA Fancy Rats - Varieties afrma.orgused for recognition, standard date, origin date, coat description, colours
  2. AFRMA - Satin Rats afrma.orgused for origin, genetics, hair structure, whiskers, colours
  3. MSD Veterinary Manual - Description and Physical Characteristics of Rats msdvetmanual.comused for weight, lifespan
  4. AFRMA Rat Standards afrma.orgused for recognition, body type, body length
  5. RSPCA - Rats rspca.org.ukused for lifespan, temperament, social needs
  6. Fancy rat - Wikipedia en.wikipedia.orgused for silky coat description
  7. AFRMA - Rat whiskers comparison afrma.orgused for whiskers
  8. RSPCA - Rat environment rspca.org.ukused for housing, temperature, enrichment
  9. RSPCA - Rat diet rspca.org.ukused for diet basics

Checked 2026-09-30. Text is written in our own words from these sources.