Can Different Fishes Live Together?

by | Last updated on January 24, 2024

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Many species of freshwater tropical fish can work well together in the same tank

. Popular choices often labeled as “community fish” or with “peaceful” attitudes include… Within these fish species, some breeds are better adapted to group living than others.

Can fish crossbreed?

Summary:

Female fish can breed a new species if they aren't choosy about who is Mr. Right

. Fish will mate with a species outside their own if the male's coloring is attractive enough or if the female can't see him properly, according to new research.

What fish are compatible together?

  • Platies.
  • Cory Cats.
  • Danios.
  • Guppies.
  • Mollies.
  • Plecos.
  • Swordtails.
  • Tetras.

Do fishes sleep?

While fish do not sleep in the same way that land mammals sleep,

most fish do rest

. Research shows that fish may reduce their activity and metabolism while remaining alert to danger. Some fish float in place, some wedge themselves into a secure spot in the mud or coral, and some even locate a suitable nest.

Do fish get lonely?

What is this? are just not the same as humans – they're not social animals in the same way that we are, and

they don't have the same capacity to get bored or long for companionship

. In fact, many of the longest living goldfish have been kept alone, with no obvious harm to their well being.

How many fish can I put in my aquarium?

The general rule of thumb is

1′′ of fish per 4 liters

, so you could have around five 3′′ fish, or four 4′′ fish.

Can goldfish live with other fish?

Keeping at least two goldfish in an aquarium is recommended to provide companionship and promote activity. Solitary fish can exhibit depression and lethargy. Goldfish are generally not aggressive so

they can be kept with most community fish provided the other fish are larger than the size of the goldfish's mouth

.

Can you inbreed fish?


Even when fish are raised for food, the inbreeding produced by small populations can cause problems

. If unwanted inbreeding occurs, it can reach levels that cause growth rate or other production phenotypes to decrease.

What is crossbreeding in fish?

Crossbreeding is

a breeding programme that tries to find mating combinations between different populations of fish which produce superior offspring for grow-out, offspring that are said to exhibit hybrid vigour

.

How many days is a fish pregnant?

As examples, the female swordtail and guppy will both give birth to anywhere from 20 to 100 live young after a gestation period of

four to six weeks

, and mollies will produce a brood of 20 to 60 live young after a gestation of six to 10 weeks.

Do fishes fart?

Biologists have linked a mysterious, underwater farting sound to bubbles coming out of a herring's anus. No fish had been known to emit sound from its anus nor to be capable of producing such a high-pitched noise.

Do fish play?


Biologists have documented fish playing with a bottom-weighted thermometer and other objects

. Play, like much of animals' psychology including emotions, motivations, perceptions and intellect, is part of their evolutionary history and not just random, meaningless behavior.

Do fish have dreams?

Do fishes feel love?

What they found was that both the female and the male she had chosen were slower to spawn and became a little more glum. This shows us that

fish do feel companionship

and that it's not just humans or mammals, so love really is in the water!

Do fish feel sad when other fish dies?


No, fish do not get “sad” if another fish dies

. Fish do have a brain that is capable of some type of “emotion” but not to the extent that humans feel. They don't feel anything like sadness, but may feel something to a smaller extent.

Do fish get bored?

Just like any other pet,

fish can become bored, too

. And while they won't chew up your shoes, keeping them occupied will ensure they live a healthier life.

Can I add all my fish at once?

Adding too many fish to an aquarium at once can destabilize the water chemistry and can cause the nitrogen cycle to stall. As a good rule of thumb

only add up to 3 fish at a time to your tank

. Once you've added the fish to your tank, wait until you've completed a nitrogen cycle and then you can add more fish.

How many fish can you put in a 12l tank?


3 maximum

and even then it's a very small tank. Guppies should live in a group of three because they are schooling fish however I would recommend at least a 5 gallon for 3 male guppies.

How many fish do you need to start a tank?

In most cases, only

two or three fish

should be introduced to a tank initially. Once the nitrogen cycle is established and the tank is stable, additional fish can slowly be added. However, the same rule applies when adding the next round of fish. Moderation: you must add only a few at a time.

What size tank do I need for 2 goldfish?

Based on the rules above, the goldfish tank size we recommend for two goldfish is:

42 gallons for two Common goldfish

. That's 30 gallons for the first fish and 12 additional gallons for the second fish. 30 gallons for two fancy goldfish.

Can 2 goldfish live together in a bowl?

If you happen to find two small goldfish breeds, a 29-gallon bowl, and a filter that will fit onto the bowl's edge, then

you can actually keep a goldfish in a bowl

! However, the average small goldfish bowl will simply kill your fish, and unfortunately, there is simply no way around that.

Can you put guppies with goldfish?

What is this?

It is possible to keep guppies and goldfish in the same tank water

. The temperature just needs to be around 72-74°F , which is on the high side for goldfish and on the cooler side for guppies. Of course, temperature isn't the only consideration when deciding whether fish can live together.

Can guppies and mollies breed?


Guppies and Mollies can easily create hybrids if they are kept in the right conditions

. There are two names for two types of hybrids. A hybrid fry from a male Guppy and a female Molly is called Golly, whereas a fry from a male Molly and a female Guppy is called Muppy.

Can fish breed with their siblings?


you can breed them together

but its suggested that after a while you introduce more from different sources for more genetic variation.

How do I stop my fish from inbreeding?
  1. Buy only one gender of fish, preferably males. If you don't have male and female fish together, there is less chance for baby fish to appear. …
  2. Choose egg-laying species rather than live bearers. …
  3. Adjust tanks conditions to make breeding less comfortable.

Diane Mitchell
Author
Diane Mitchell
Diane Mitchell is an animal lover and trainer with over 15 years of experience working with a variety of animals, including dogs, cats, birds, and horses. She has worked with leading animal welfare organizations. Diane is passionate about promoting responsible pet ownership and educating pet owners on the best practices for training and caring for their furry friends.