How many Danios should be kept together?

How many Danios should be kept together?

Ideally you should have at least five or six danios, in a tank that holds at least 25 gallons (95 liters). A group of three fish in a smaller tank is acceptable, but can lead to stress or aggression. Never keep a zebra danio alone or in a tank smaller than 10 gallons (38L).

How do you tell if a Danio is male or female?

Males are a bit smaller and more slender than females. Male zebras appear more torpedo-shaped, while females tend to have a larger belly. Both sexes have two pairs of barbels and the same stripes, but females are usually larger. More full-bodied than the males, a female's belly balloons when it fills with eggs.

Do Danios eat their babies?

Since adult danios will always try to eat the eggs of their young, it is always a good idea to remove the adults from the tank with the eggs. The baby danios aren't really safe from the adults until they're all about the same size.

Do Danios breed easily?

A. You might be disappointed to find out that zebra danios can't become pregnant – they are not livebearers. But you'll be happy to hear that zebra danios are very easy to breed. … Zebra danios (Danio rerio, formerly Brachydanio rerio) scatter nonadhesive eggs amid plant leaves and substrate.

How do you know if a Danio fish is pregnant?

Ensure the fish you are looking at is actually female and not just a fat male. … Look closely at your female zebra danio. If it looks wider than usual, chances are she would be carrying roe. Since the zebra danios aren't livebearers and they don't carry the fertilized eggs, the pregnant fish aren't visibly too fat.

How can you tell if a Zebra Danio egg is fertilized?

Since you can't tell if the eggs are fertilized, the best thing to do is watch for eggs at the bottom of the tank. Once you see eggs, you know your danios have spawned and you can move the adults back to their regular tanks.

Can zebra Danios breed with guppies?

Guppies, live bearers themselves, and zebra danios get along well with many of the common types of live-bearing fish. … Be careful when adding sailfin mollies or other fish that have long fins or tails and are relatively slow swimmers, because the guppies and danios may nip at the fins.

How often should I feed my Danio fish?

How often do I need to feed Danios ? You can feed them as little as once a day or 4 or more times daily. In the wild fish eat as food is available. Multiple small feedings are much better for the fish than one large feeding.

How long do Danios carry their eggs?

They can carry their eggs for any amount of time really, and it all depends on when they are ready to lay eggs and if there is a male around to fertilize them. Technically speaking, if there are males around and they are developing eggs, they should not be carrying them for more than 4 days.

Can Danios and guppies live together?

Guppies, live bearers themselves, and zebra danios get along well with many of the common types of live-bearing fish. … Be careful when adding sailfin mollies or other fish that have long fins or tails and are relatively slow swimmers, because the guppies and danios may nip at the fins.

Why is my Danio bloated?

Definitely sounds like swim bladder disease. Swim bladder disease bloats the fish, and they struggle to retain the proper depth. By the time you've identified a disease like dropsy or swim bladder, it's usually too late for the fish.

How do I know when my Danio is ready to lay eggs?

It will take about 2 days for the eggs to hatch into zebra danio fry, at which point you should leave them in the tank until they are almost fully grown. You don't want to put these fry back into the community tank too soon, especially until they have gotten to a decent size.

What fish can Danios live with?

Danios are always on the go and should be kept with other active fish. Good tankmates include serpae, red eye and black skirt tetras, platies, mollies and swordtails, small barbs and other danios. Always consult an aquarium expert before buying any new fish for your aquarium.

Can you eat zebrafish?

Zebrafish are omnivorous, primarily eating zooplankton and insects, although they can eat a variety of other foods, such as worms, small crustaceans or algae. This is one of the reasons that make this freshwater fish an extremely robust animal model.

Why is my Zebra Danio aggressive?

Zebra danios sometimes behave fiercely when they're not in the company of many other fish. In an underpopulated tank, they'll often nip or chase after fish of lower ranking. … The presence of too many fish is also a problem for zebra danios, as it can cause them to feel extremely frustrated and anxious.

Are zebra Danios Hardy?

The Zebra Danio (Danio rerio) is a freshwater fish species of the Cyprinidae family. … This species is one of the most common aquarium fish due to a number of different reasons. They are peaceful, social and relatively easy to care for as they are very hardy.

How do you breed leopard Danios?

Researchers at Stanford University discovered that Zebra Danios sleep much the same way we do. … While most fish remain motionless when they're sleeping, certain species of sharks must keep moving, even while at rest, to ventilate their gills.

Can zebra and leopard Danios breed?

Being all danios, yes they will group together just fine. However, it is always best to have large enough groups of each species. If your tank is large enough, consider getting 5 or more leopard danios. If not, consider increasing the number of zebras.

Can zebra Danios live with bettas?

Danios. According to the website Healthy Betta, some aquarists have had luck housing male bettas with zebra danios. However, the California Betta Society notes that zebra danios notoriously nip the fins of other fish, and may pose a danger to your betta.

Where do Danios lay their eggs?

They are supposed to lay the eggs in plant mops, but mine always just seem to scatter the eggs. I have never had a successful batch, my fish are in a community tank and the eggs always get eaten. Zebra danios are egg scattering fish, and they need a separate spawning tank, preferably with substrate of marbles.

What do you feed Zebra Danio fry?

At the onset of the light cycle, zebrafish will generally initiate breeding behavior that results in the laying and fertilization of eggs. In a tank that has been marbled, the eggs collect between the marbles and escape predation. However, when no marbles are in the tank, the fish will rapidly consume the eggs.

How do Danio fish have babies?

Since danios are not livebearers and female danios never carry fertilized eggs, this is as close as danios get to being pregnant. If your female is carrying roe, your male danio will fertilize the eggs as they are dropped, during spawning.

How do you breed longfin zebra Danios?

Generally, male Zebra Longfin Danios spawn with and remain loyal to one female. A breeding pair should be placed in a breeding aquarium with fine-leaved plants for them to spawn over. Roughly 300-400 eggs are produced and hatch within two days. The fry should be fed small pieces of live foods, such as brine shrimp.