How Many Angelfish in a 20-Gallon Tank: Proper Care Tips

There are typically six to eight angelfish in a 20-gallon tank. A single 20-gallon tank is large enough to handle multiple setups – one full of angelfish and the others with a few plants, snails, hermit crabs, etc. In addition, two or three other fish species (usually cardinal tetras, neon gobies, and livebearers) are desired.

What to Consider in a 20-Gallon Tank?

An important consideration is the size and shape of your tank. Angelfish are delicate fish that need expensive, specialized aquarium equipment to thrive, so don’t buy a 20-gallon tank just because it’s half-price! A standard 55-gallon or larger tank will work perfectly for an angelfish household. However, if you’re particularly interested in these colorful fishes – or plan on buying more than one – be sure to check out some of our larger aquariums.

How Many Angelfish in a Tank?

When it comes to how many angelfish can live in a tank with other fish, the answer is “it depends.” For example, some angelfish – like silver dollars and damsels – are peaceful enough to coexist peacefully with other predators. In contrast, others (like anemonefish) may become aggressive if they’re not given enough room. So if you’re keeping more than one type of fish in your aquarium, research each species ‘ individual needs before adding them to your tank.

Why Do You Need a Big Aquarium for Angelfish?

Consider an angelfish if you’re looking for a big, bold fish to add some flair to your tank. These active and colorful fish are sure to impress – whether they’re cleaning their tank screen or cruising the depths of the water. Just be aware that they can get quite territorial if they feel threatened, so keep plenty of hiding places in your aquarium.

In addition, an angelfish’s natural diet includes live and raw seafood, so make sure to give them a varied assortment of food items.

How to Take Care of Angelfish in a 20-Gallon Tank

Angelfish are one of the easier fish to keep in an aquarium. They like a lot of different types of water but aren’t as picky about their diet as some other fish species. So if you feed them flakes or food pellets daily, they’ll be happy and contented. In addition, most angelfish don’t mind living in pairs or groups. So you can keep your bettas and clownfish together as long as there’s plenty of room to swim around.

Healthy Diet

A good diet for angelfish can be made up of algae, pellet food, and frozen or fresh fish pieces. To help your angel grow fast, you will want to feed them small prey items (such as daphnia) frequently. Angelfish will eat a wide variety of food, but some foods that are great for them include algae, pellets, and frozen or fresh fish pieces. In addition, they will not eat flake food, but they can take freeze-dried foods. Lastly, you should be careful with the type of food you use as some are made from carnivore byproducts or destroyed marine animals, which could harm your angelfish if eaten unnecessarily.

Feeding

Feed your angelfish once a day, but feed them small prey items (such as daphnia) frequently to help them make fast growth. Additionally, don’t mix different types of food in with one another or pour the foods from a bag onto their tank. This can get your angelfish sick and messy.

Proper Tankmates

Angelfish are peaceful and compatible fish that can handle many tank mates. However, some fish species are better suited to living with angelfish than others. While certain types of catfish may exhibit aggression towards other animals in the tank, angelfish will peacefully coexist with these predators as long as they’re properly introduced and have plenty of room to swim. Other good choices for angelfish companions include neon gobies, cardinal tetras, dwarf gouramis, and livebearers.

Dwarf Red Gourami

When choosing the right fish for your angelfish tank, don’t forget about dwarf red gouramis! These small but aggressive fish are great additions to any aquarium because they are peaceful and tireless feeders. They will diligently clean all the algae from your angelfish’s food, keeping their tank screen clean and their water sparkling.

Platy Fish

While angelfish are the clear stars of your aquarium, a few platyfish (like zebra danios and kuhli loaches) can add some much-needed color. Platies also make great tank mates because they’re peaceful and often easy to feed – drop them a bit of flaked food or crushed flakes in their substrate daily.

Catfish

These gentle fish are easy to feed and will scavenge any food that falls off your angelfish diet or from the bottom of the tank. Additionally, catfish provide a little added security regarding breeding angels – they are “predator-proof” because female catfish need their eggs incubated by the male fish. Baby angelfishes are typically not attacked at all. Barring accidents with accidentally dropped egg rolls or smaller fry, they should live in peace within your tank without being harmed by your angelfish buddies.

Tetras

Tetras are an excellent choice for an angelfish tank because they’re large enough to survive in the small tank but not so big that they become territorial. They also like to school and are very voracious feeders – if you can provide them with plenty of food and hiding places, your angelfish will also be happy.

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