Coastline Pets Rattery

Coastline Pets Rattery Coastline Pets is a Massachusetts rattery focused on producing healthy, well-tempered rats. Follow us for updates, tips, and cute faces!

As proud AFRMA members, we’re committed to top-tier care, ethical breeding, and helping every rat find a loving home.

We thought this would be the perfect post to kick off our throwbacks here at the rattery. These two girls will always h...
10/23/2025


We thought this would be the perfect post to kick off our throwbacks here at the rattery. These two girls will always hold such a special place in our hearts, along with their siblings. They were an integral part of our early breeding program, and with Halloween right around the corner, we couldn’t think of a better pair to highlight.

Meet Phantom and her sister Trick (who was an identical twin to her sister, Treat). They may not have had any special coat type or flashy markings, but they made up for it with their sweet, adventurous personalities. Their spirits live on through their descendants. 🧡🎃 🖤

Since so many of you loved our little agouti girl Pecan from one of our last posts, I wanted to share some updated photo...
10/23/2025

Since so many of you loved our little agouti girl Pecan from one of our last posts, I wanted to share some updated photos now that she’s getting bigger! She’s still just as sweet as ever, just in a slightly larger package. We can’t wait until she’s old enough to join the big girl colony!

No matter how many litters we have, it never stops being amazing to see just how much growth and change happens in only ...
10/22/2025

No matter how many litters we have, it never stops being amazing to see just how much growth and change happens in only a few days.

We’re so excited to welcome 7 healthy babies from Basil x Remy, born 10/15/25!

Time to vote! We’re turning some of our doodles into stamps for our packaging and birth certificates, and we need your h...
10/20/2025

Time to vote! We’re turning some of our doodles into stamps for our packaging and birth certificates, and we need your help choosing which ones. Comment your favorites below before we place our order this week!

Since we already gave a sneak peek of one of our beautiful holdback girls (Papaya) in our recent video, we figured we sh...
10/12/2025

Since we already gave a sneak peek of one of our beautiful holdback girls (Papaya) in our recent video, we figured we should introduce the rest of the bunch!

These are our newest holdbacks out of our boy Honey Mustard and mom Sunflower. None of these rats are available, as they’re all being kept to help expand the color variety in our rattery.

Which one is your favorite? We can’t wait to hear what everyone thinks!

10/12/2025

Sweet rats start with good genetics!

This little girl in the video was being handled for the very first time today. No prior handling, no training, no conditioning. And yet she was calm, trusting, and gentle through it all. That kind of behavior doesn’t come from learned experience, it comes from good genetics. This is why we’re so passionate about breeding for true temperament rather than masking it through over socialization. When babies are handled too much too early, it can hide their real personalities and make it hard for breeders to tell which temperaments should (and shouldn’t) be passed on.

This little one went into a bright light box for her first official breeder photo and didn’t flinch once. She let me position her however I needed and even started to drift off to sleep while being pet. That’s the kind of confidence and sweetness we strive to build our lines around.

It’s another exciting day of introductions here at Coastline! We’ve been having so much fun sharing our newest additions...
10/11/2025

It’s another exciting day of introductions here at Coastline! We’ve been having so much fun sharing our newest additions with you all, and today we have four more incredible rats joining the spotlight. Each one brings something unique to our growing lines, and we couldn’t be happier to welcome them.

🐀 Chip – a Russian dove dumbo dwarf male who never seems to run out of energy. He’s always darting, hopping, and bouncing around like a little energizer bunny, keeping everyone entertained.

🐀 Marshmallow – a black velveteen roan dwarf female. Can you believe she used to be black? The roan gene is such a fascinating one, and we’re beyond excited about the potential this adds to our rattery. She’s an absolute gem and has already completely stolen our hearts.

🐀 Mocha – a black tortie dumbo dwarf female who officially rounds out our trio of perfect little torties. She’s curious, confident, and fits right in with the group.

🐀 Noir – a sleek black dumbo female we just couldn’t resist. We promised ourselves we’d branch out from black rats, but Noir was simply too special to pass up. She’ll be part of a particularly exciting project line that we can’t wait to share more about soon.

Stay tuned because there are still more faces to meet! 💙

Strudel says, “Mom, look what I made!”Welcome to the world, you five little dwarf beans. 💕 Now it’s time for Shortcake t...
10/10/2025

Strudel says, “Mom, look what I made!”
Welcome to the world, you five little dwarf beans. 💕 Now it’s time for Shortcake to hand over her beans as well.

Strudel wasn’t the most attentive new mom, so her babies have been fostered by sweet Sunflower, who’s doing a wonderful job caring for them. Strudel, on the other hand, is much happier snuggled up with her sister Shortcake instead of tending to five peeping babies—and that’s okay. Everyone’s safe, loved, and doing great!

Pairing was Strudel x Cider (Born 10/10/25)

The introductions aren’t over yet, we still have a few more posts to make! Each of these rats has their own personality ...
10/10/2025

The introductions aren’t over yet, we still have a few more posts to make! Each of these rats has their own personality and purpose in our breeding program. Here’s a look at the newest members of the family!

🐀 Brandy – an agouti top-eared female who, much like her sister Caviar, carries some super exciting recessive genes. With our only other agouti female being Jiff, Brandy will help broaden the range of coat colors we’re able to work with and offer in future generations.

🐀 Hazelnut – a pearl merle dumbo female and sister to Ginger. While she doesn’t share her sister’s bold confidence, she has a very warm and gentle demeanor. Once she’s fully settled in, we can’t wait to see how well she blends into our girl colony.

🐀 Malt – a black Satin¹ top-eared male we simply couldn’t pass up. We didn’t necessarily need more black males in our lines, but his coat is so strikingly dark and glossy—reminiscent of our boy Bleu—that he absolutely earned his place here.

🐀 Taffy – a sweet and curious Russian blue dwarf dumbo girl with endless energy. She’s currently in her baby zoomie phase and loves spending playtime with the others in quarantine. She and her sister S’more are already two little peas in a pod.

That wraps up this round of introductions, but there are still a few more faces to come! Stay tuned as we continue showcasing the incredible new additions to our breeding program this week. 💙

We’re continuing our introductions of the newest members of our breeder lineup! Each of these girls brings something spe...
10/09/2025

We’re continuing our introductions of the newest members of our breeder lineup! Each of these girls brings something special to the table, and we can’t wait for you to meet them.

🐀S’more – our little black Satin2 dwarf dumbo female who climbs around like a spider monkey. She’s full of energy and curiosity, and we have no doubt she’ll fit right in with our other dwarf girls once quarantine is over.

🐀 Caviar – a black variberk top-eared girl who’s already showing her attention-seeking side. She’s quick to warm up and clearly loves being the center of attention. On top of that, she carries some super exciting recessive genes we can’t wait to work with.

🐀 Milk – a young ivory top-eared baby girl who will be growing up alongside our next generation of fawn breeders. She brings the potential for more black-eyed c-locus variants, which we absolutely love seeing in our lines.

🐀 Honey – a stunning tonkinese dumbo girl with a soft gradient coat and beautiful points. Photos hardly do her justice! We already have some perfect pairing options in mind for her that we’ll be introducing later this week, and we’re thrilled to be adding this new gene into the rattery.

We’re just getting started—more introductions are coming soon, and we can’t wait to share the rest of our new additions with you all!

We’re so excited to start officially introducing some of our newly acquired breeders! Over the next week, we’ll be shari...
10/08/2025

We’re so excited to start officially introducing some of our newly acquired breeders! Over the next week, we’ll be sharing photos and names of each one so you can get to know them right along with us.

First up, meet a few of our newest faces:

🐀 Ginger – a stunning pearl merle dumbo female with the softest silvery tones and most curious personality.

🐀 Nacho – our tiny siamese dwarf dumbo male whose strong personality and gentle eyes make him impossible not to fall in love with. His points will only continue to darken beautifully over the coming weeks, giving him even more contrast and character.

🐀 Whiskey – a striking agouti top-eared boy with a perfectly crisp wedge blaze. He’s bold, confident, and already proving to be quite the little charmer.

🐀 Macchiato – our chunky black torti dwarf dumbo male. He’s laid-back and snuggly, with a personality that’s just as endearing as his looks.

We can’t wait to introduce the rest of the crew in the coming days. There are so many incredible new faces joining the Coastline family. Stay tuned! 💙

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New Bedford, MA
02745

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