How many cichlids can I fit in a 40 gallon tank?

So, How Many Cichlids In A 40-Gallon Tank? You can raise 5-6 mid-sized cichlids or 10-12 dwarf cichlids quite easily in a 40-gallon tank, given that there’s a reliable filtration mechanism in place. The rule of thumb is 2 gallons of water for every inch of fully grown fish.

How many Keyhole cichlids can I put in a 40 gallon tank?

How many Keyhole Cichlid should be kept together? At a minimum, two keyhole cichlids should be kept together. They are monogamous and mate for life, so only keeping one wouldn’t allow you to get the full benefit of having a keyhole cichlid in your tank.

How many fish can you have a 40 gallon tank?

In a 40 gallon aquarium, you can keep up to 20 peacefully. Just like Guppies they are very social fish that do well within a community tank.

How many Gouramis Can I put in a 40 gallon tank?

A fish that masterfully combines an unusual shape with its original appearance, the gourami is a fish that every owner of a 40-gallon tank should definitely consider. You should be able to keep up to 10 of them in this volume.

Can a Jack Dempsey live in a 40 gallon tank?

It depends on the dimmensions of the tank. You will need at the very minimum of a 4ft tank for the fish that is atleast 12″ wide. Standard 55G tanks are a good size, however you could also work with a 40G long which is just a shorter 55G.

How many cichlids can I put in a 35 gallon tank?

Mbuna Cichlid: In theory, up to 4 Mbuna cichlid will fit in a 30-gallon tank (depending on the species) comfortably. But the recommended minimum for maintaining this cichlid is 8 individuals, anything under would result in aggressive behavior. Therefore, go for a bigger tank, maybe 55-gallons or more.

How big do rainbow cichlids get?


Synonyms Heros multispinosus, Herotilapia multispinosa
Maximum Size 17cm (6.7″) but usually much smaller at around 12.5cm (5″).
Water Parameters Neutral to hard and alkaline. pH: 7.0-8.0, dH: up to 25 degrees.
Temperature 22-28 deg C (72-82 deg F)
Compatibility Specialist community

Are keyhole cichlids aggressive?

The keyhole fish is neither large nor aggressive. It is quite undemanding and has very interesting behavior. It can be recommended even for the beginners, but still you have to keep in mind that this is a cichlid species and it is hardly suitable for community tanks with small sized fishes.

What cichlids are peaceful?

Keyhole Cichlid (Cleithracara maronii) – A very peaceful species, the keyhole cichlid grows only 4 to 5 inches in length. These fish are very shy and need to have plenty of hiding places in the tank. They are very nonaggressive with other tankmates and will always back down from a fight.

What pets can live in a 40 gallon tank?

Some of the best options for a 40-gallon tank include the Blue-Tongued Skink, Corn Snake, Spiny Tailed Lizard, Gargoyle Gecko, Kenyan Sand Boa, and Veiled Chameleon.

How long does a 40 gallon tank take to cycle?

The cycling process usually takes six to eight weeks.

After about eight weeks, your ammonia and Nitrite levels should be acceptable (about trace levels), and you can add more fish. Do not add more fish until the ammonia and Nitrite levels have both dropped.

How many guppies can you put in a 40 gallon tank?

Guppies are so small you can put a lot of them in that size tank. Many years ago I started out with a 10 gallon tank that at one time had almost 100 guppies in it! That was very extreme, but I’m sure you could easily keep 40 guppies in a 40 gallon tank with no over-crowding. That’s great!

How many Cory catfish in a 40-gallon tank?

Six or more cory catfish should be kept together. Cory catfish are small fish and feel safer and happier living in a school of at least six. Cory catfish will only form a school with other corys of the same species, so you should keep just one cory species in a tank.

How many tiger barbs can you put in a 40-gallon tank?

Minimum Tank Size for Tiger Barbs

If budget allows, we would recommend getting a 40-gallon tank to house 8 to 10 Tigers Barbs. This will provide them with more space, a much happier environment to thrive in, and allow you to house a slightly larger school.

How many fish can I have in a 45 gallon tank?

One Inch Per Gallon

The most widely known rule for stocking a tank is the one inch of fish per one or two gallons of water rule.

How fast do Jack Dempseys grow?

A: In common, they can live for up to 10 – 15 years. Q: How fast is the jack dempsey cichlid’s growth rate? A: We have done a couple of researches in different online forums, most respondents say that Jack dempseys grow relatively slow. A three-year-old spans 9 inches, and 21 month old spans about 7 inches.

How big does a Jack Dempsey grow?

Big. Really big. In the wild, males usually top out at 12 inches (30 centimeters) and females get up to about 10 inches (25 centimeters). If they’re given enough space in an aquarium, you can expect that males will get up to about 10 inches long and females will top out at 8 inches (20 centimeters).

What should I feed my Jack Dempsey?

Diet and Feeding

In the wild, Jack Dempsey fish eat a carnivorous diet of insects, worms, small fish, and crustaceans. Make sure your fish receive plenty of protein in captivity from a combination of dried fish flakes and live or frozen foods.

How many African cichlids can I put in a 50 gallon tank?

Aquarium and stand

A 55 gallon tank can house up to 15 African cichlids depending on species, maximum size and temperament.

How many peacocks are in a 55 gallon?

Peacocks grow anywhere between 4-7 inches long. But they are pretty notorious for their aggression. So, you can only add about 8-9 peacocks in a 55-gallon tank.

What is the minimum tank size for African cichlids?

Since African cichlids are an active and aggressive species, they should have plenty of space. Fish that are at least six inches long should be considered larger, and require a minimum of 30 gallons of aquarium space. Smaller fish need at least a 20-gallon tank.

Can I keep one Rainbow Cichlid?

These fish should be kept in a tank of at least 30 gallons or more depending on how many fish are inhabiting the tank. Rainbow Cichlids exhibit schooling behavior, so they should be kept in groups of six or more, meaning they should have a larger tank for adequate amounts of swimming room.

Can cichlids and angelfish live together?

African cichlids and angelfish can get along, but it is not without careful research and consideration. Make sure to choose species of African cichlid that are not very aggressive, as they can and will harass your angelfish, which are a semi-aggressive species.

How big do red terror cichlids get?

This colorful, eye-catching fish is a red terror cichlid (Cichlasoma festae). It can grow to lengths of 12 – 20 inches and live somewhere between 12 – 20 years.

Should cichlids be kept in groups?

When provided with clean water and food, in theory most cichlids are able to survive alone. However it is best to keep at least a breeding pair or more to allow them to thrive. The only cichlid that is often kept alone is the Oscar. While possible to keep alone, I would recommend to not keep cichlids solitary.

How big do Bolivian Rams get?

These cichlids grow to around 8 to 10 cm (3 to 4 inches) in length, but you should use at least a 50-liter (15-gallon) tank for one adult pair. With regard to the aquarium decor, we should not forget fine sand in which these dwarf cichlids will dig zealously.

How big do electric blue Acaras get?

Size. The average size of Electric Blue Acara is somewhere between 6 and 7 inches in length. This is a very manageable size and allows them to be comfortable in a fairly average tank.

What is the easiest cichlid to keep?

If there is one universally agreed upon beginner cichlid, it’s probably the convict cichlid. These fish are incredibly hardy, breed readily, and are extremely prolific. If someone wants to experience all a cichlid has to offer, then these are the perfect fish.

Can you put 2 cichlids together?

Types of cichlids that can live together are cichlids from the same region. For example, African cichlids go well with other African cichlids, South American cichlids go well with other South American cichlids, and so on. In addition, some types like Dwarf cichlid can live with other cichlids.

How many African cichlids can be together?

These cichlids are shy, peaceful, and can be kept in groups of eight or more. They can also be housed with a number of tankmates, including barbs, tetras, dwarf gourami, and more.