Questions tagged [biology]

For questions about the biology of a pet. It's physical attributes.

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Is there a way to know definitively if a dog is hypoallergenic?

My partner and I have been looking at getting a new dog; our son has allergies, so we have been focusing on hypoallergenic puppies. We instantly fell in love with the Bernedoodle breed. The problem ...
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1 answer
204 views

Does eating garlic repel fleas?

Would (a human) eating garlic repel dog/cat fleas? (I couldn't find any reliable information on this, but I found that studies failed to show the same effect with mosquitos, despite popular belief ...
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Help me sex this Endler's livebearer

It looks like a female (no colors and round belly), but it seems to have a gonopodium organ, a dot on the tail-fin that other females lack and the gravid spots near its vent are fainter and higher up ...
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4 votes
1 answer
167 views

Can eggs surgically removed from a pregnant platy fish still hatch?

My mom had a pregnant Mickey Mouse platy fish, but she just died today. We performed a little fishy c-section and got about 15 eggs out of her. Is there anything I can do to ensure they still hatch ...
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1 answer
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Do cats shiver when they have a fever?

Just like us humans, do cats shiver or seek warmth when they have a fever? My 6-yo domestic short-haired cat likes to sit in our hot tropical sun for a long time and I’m worried she may get dehydrated ...
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1 answer
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I really want a guinea pig, but I think I am allergic to rabbits

I always wanted a Guinea Pig as a pet. One time I cared for a friend's rabbit while she was vacationing. I had a mild allergic reaction to it. So would I be allergic to Guinea Pig? From what I found ...
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2 votes
1 answer
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Hairloss in cat, which appears to be anomalous

I have a one-year-old, male, white Scottish Straight cat which is in good health, but has been losing hair for the past 6 months and still is. In my experience with other cats, in this case the amount ...
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2 votes
1 answer
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Has anyone touched a male lion? Is the lion's mane just like stringy human hair? [closed]

If anyone has ever gotten the chance to touch a male lion, does his mane feel more or less just like human hair?
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17 votes
1 answer
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Does picking up an adult cat by neck cause them to be paralyzed like kittens?

When kittens are picked up by the neck by their mothers the kittens become temporarily paralyzed. Is this also true for adult cats if a human was to pick them up the same way?
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10 votes
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Is whisker layout in a dog a constant?

Is the layout of whiskers in a dog constant over time, or do whiskers fall out and regrow in different spots? This is a lost dog situation, and there is a foundling that looks very similar but whisker ...
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What are the effects of an all meat diet in cats? [duplicate]

Is there any harm in this or do I need to add nutrition to the diet? Also, how long would the health effects of a harmful diet take to appear and what are these, if any?
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1 vote
1 answer
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How to increase goldfish color?

I was fooled a bit when buying this one fish, when the fish arrived it looks not so appealing to me... is there something I could do to brighten it's color or should I just ask for a bit refund? I ...
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Why my aquascape shrimps died

Yesterday on around 5 pm I put my two of 10 g aquascape outdoor, my intention is so I don't have to use LED light during the day. Right at the next morning on one tank, many of my shrimps died, but ...
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3 votes
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How can I tell if my goldfishes' popeye is due to stunting or an infection?

I have three goldfish in a twenty-gallon tank. I know it's not the best set up and I would like to move them to a bigger tank when I get the opportunity, but they seem happy and healthy enough. I have ...
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1 answer
118 views

Will every goldfish never stop growing?

I'm confused whether goldfish will never stop growing or not, how much will its genetics affect its size? I want to buy a high quality goldfish, not a bad one.
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1 answer
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Why my goldfish red cap lost its head color?

Is it normal that the color fading away..? The water seems fine. Food : Tetra Goldfish Growth and other pellet. It's been 2 months with me.
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1 answer
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What fluids are in effusions caused by anticoagulant (constituent of rodenticide) poisoning?

(moved from medical exchange) ACR rat poisons use anticoagulants to cause internal bleeding and thus death in rodents. If used improperly, poisoned rodents may pass the poison on to predators, ...
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Are the mouths of cats more sensitive to temperature than that of dogs?

I have had many cats and dogs. I have noticed that when I can share some food with my furry friends, my dogs will gobble it up without worrying about the temperature, but my cats will sit there and ...
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3 votes
1 answer
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Puppy Pee Schedule: If not relieved post mealtime, will it lead to a UTI?

My partner has cautioned me that if we don't take our 6 month old puppy outside to pee within 30 minutes after mealtime, he's at risk for developing an urinary tract infection! I've searched all ...
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1 answer
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Is my cat a calico?

My cat is mainly white with black spots, but he does have a light brown 'goatee' going on, along with light brown spots next to the black spots and a large one at the base of his tail and inside of ...
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3 votes
1 answer
293 views

Can a cat cut its tongue on an open food can's edge?

It would be really convenient and save money, to let my cat "Mucca" clean her wet cat food cans with her tongue - but I'm afraid she might [at least eventually] cut her tongue on the edge of ...
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2 votes
2 answers
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Can a regular German Shepherd give birth to German Shepherd puppies with coat colors identical to hers, but give birth to one single white puppy

Just curious to know (I also need this piece of info for writing my novel). So, can a German Shepherd (classic-looking fur coat) give birth to four identical German Shepherd puppies that look just ...
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1 vote
1 answer
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Are cats used to a food for a lifetime?

As we all know, cats have very sensitive stomachs. That makes me wonder. Once a cat gets used to a specific food, are they used to it for a lifetime? To make an example: I feed my cat Food A for a ...
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2 votes
1 answer
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Do all koi have the potential to grow to 3 feet long?

I have seen many videos with koi that are 3 feet (around 90 cm) long. However, I also know that some koi from desired varieties are really expensive. If I am buying koi from Petco and Petsmart, does ...
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46 votes
4 answers
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Does purring tire cats?

Hope it doesn't sound like a silly question. Context: My cat is not the most affectionate cat in the world. But sometimes she comes to search for love and to play. When I pet her, obviously, she ...
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3 votes
1 answer
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Can a cat know you came thanks to his sense of smell?

As I mentioned in other questions in Pets.SE, I have a cat since 2011 who, sadly, can only live outside my dad's house. Since mid-August I had to move out to another quite small apartment, which is ...
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15 votes
4 answers
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Why do groomers tell you not to shear a long-haired dog in warm weather?

Specifically, I have a Great Pyrenees. I've had groomers tell me that a dog's fur keeps them cool in hot weather as well as keeping them warm in cold. This argument holds as long as the environment is ...
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2 votes
2 answers
8k views

Inhaling or ingesting cat's hairs

I discussed with somebody about the fact that I would like to buy a cat. The answer was that it can be dangerous, but in a different way than I expected. Their argument was that inhaling or ingesting ...
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1 vote
1 answer
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Do cats recognize cats from different litters but same parents? [duplicate]

I adopted a kitten who is now 6 months old. His cat parents just had another litter and I want to adopt another kitten to be his buddy. Will he recognize that the kitten is related to him? I’m worried ...
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2 votes
1 answer
77 views

Difference between small hamsters and larger hamsters?

After having several hamsters over the years, I've noticed that larger hamsters tend to be calmer while the smaller ones seem to be far more energetic and oftentimes more afraid of people. Why are ...
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7 votes
1 answer
359 views

Can big cats retract their claws?

Some people do have exotic pets like tigers. I was watching a video where a man got his tigers to lean on his shoulders standing up. It got me thinking, would he get scratched? I couldn't see their ...
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7 votes
1 answer
115 views

Do cats benefit from human probiotics?

My cat is going through a 4-week antibiotics prescription, and due to it he’s having a bad diarrhea. I have a probiotic supplement containing: Bifidobacterium bifidum Bifidobacterium longum ...
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1 answer
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Iris of my cat's left eye is discoloring on the edge

A few weeks back, I noticed my cat's left eye's iris is discoloring from the corner (brownish red, iris is gold color). She is 8 years old, female. She has no other complaint whatsoever. I know I ...
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1 vote
1 answer
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Do rabbits see well at night?

I am curious how good the senses of rabbits are. They are not predators, so I am not sure about seeing in the dark. What could rabbits see in the (nearly) dark? Do they have ability to see in the (...
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4 votes
1 answer
646 views

Inbred kitten -- What are the risks?

I have a 6 week old male kitten; his mother had a litter before his, and the person who owns her kept one of them, so the son and mother bred. She only had three kittens. One passed away unfortunately,...
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7 votes
1 answer
220 views

Hens and no rooster: what happens to hens and their unfertilized eggs?

I looked for the answer, but didn't manage to get clear information. If I have a bunch of hens, but no rooster, hens will lay unfertilized eggs (as far as I know). From what I read, hens will brood ...
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1 vote
2 answers
538 views

Why did my Oscar change color?

Both pictures are the same Oscar. I was hoping someone can tell me if it normal for him to change colors like that.
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1 vote
2 answers
873 views

What is my male apple mystery snail doing?

After a day, when I turn on the fish light, I see him rush to the glass. He goes up... and does what is in the picture! He keeps getting farther and farther off of the glass! If he falls he goes back ...
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2 votes
1 answer
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Why are some black dogs called blue?

I've noticed that in some cases when a dog is black, at least to my eyesight, they are described as being blue. Here is, I think, an example of this, in a Doberman: This photo on Wikipedia is ...
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-1 votes
1 answer
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Which sex of rabbit defines the size of the kits and which one defines the quantity?

I need to know is it the doe or buck that define the size and quantity of rabbit kits.
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2 votes
1 answer
304 views

Can a pug be trained for extended hiking?

We are thinking of going on a long hike. About 15 km per day for a week. Weather will be mild. We have a five month old healthy pug. At the moment she appears weary after 2 hours walking with us. I ...
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3 votes
1 answer
2k views

My cat was cross-eyed, now she’s not. Why?

I got my cat half a year ago at a rescue centre, she was very cross-eyed, the longer she has been in my home the more her cross-eyed-ness has gone. Is this normal? And what has caused this?
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2 votes
1 answer
113 views

Can dogs shed back to their original coats?

We have a schnoodle and his coat changed from black to silver by his first birthday, just like other pups I’ve read in some previous threads. Now he’s aged to 14 years now and he’s starting to spot ...
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3 votes
1 answer
218 views

Does frightened cat drink a lot of water?

Today, one of our tenants was on the rooftop. She had her huge teddy bear in hand. At the same time, I went to roof to have a walk with Bhutu (my cat). By seeing the teddy, Bhutu was frightened to ...
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3 votes
1 answer
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Why has my platy fish - which is a livebearer - laid eggs?

My platy was showing all the signs of being pregnant, so we had it checked and she was. But when it came to the day, she had eggs in a sack and it took two days for them to come out completely. ...
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4 votes
1 answer
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At what age do ginger cats start having black whiskers?

I have an adopted ginger tabby male cat who was found somewhere and his age was estimated by the shelter to be about 4 years old. You may notice that when your cat was young, their whiskers were ...
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6 votes
1 answer
510 views

Do non neutered cats shed more hair?

I recently had a discussion with a pet owner and he claimed that non neutered male cats shed more hair due to anxiety. Is it true? I have been feeding him high quality food but within a few days his ...
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8 votes
1 answer
1k views

Does a pet boa/python measure the owner by lying straight?

I read it somewhere, maybe as a Facebook photo of some Tumblr or yahoo a long time back (hence not a reliable source) that the user found it's pet snake (which was not eating food for quite some time) ...
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4 votes
1 answer
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Are dogs much less sensitive to high noise than humans?

I must admit (a bit shamefully) that I was not aware of the fact that volume is on a logarithmic scale and thus following sentence (source) surprised me: The back seats are closer to 87 dBA, which is ...
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5 votes
1 answer
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What problems does inbreeding in chickens cause?

I have a big farm (without animals so far) and want to get chickens. They can run freely in the farmyard and the garden, having approx. 1500 m² with grassland, sand, a dunghill and copse. I'd like to ...
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