Get the Facts: How Big Can Your Freshwater Angelfish Grow?

Last Updated on 2023-12-18

Freshwater Angelfish is a gorgeous fish and are known for their elegant triangular shape and striking colors that make your tank pop. But knowing just how big they can get is essential before you add them to your collection. In this article, we will dive into freshwater Angelfish’s size and growth patterns, so you can give them the proper care and space they need to flourish. So, let’s get started!

What Are The Different Freshwater Angelfish? 

You’ve probably heard of freshwater Angelfish. These guys are super cool and come in many different types, each with unique looks and personalities. Here are a few of the most well-known ones:

1. Altum Angelfish

These guys are the biggest in the group and are usually caught in the wild. They’re also called Orinoco angelfish or blue Angelfish. They need more TLC than the others since they come from the original habitat.

  • Mature Size: 7-10 inches
  • Color: Silver, gold, and black
  • Characteristics: Largest Angelfish

2. Albino Angelfish

These fish are unique since they have no pigment and pink eyes. But if you catch them in the right light, you can see some pale gold stripes along the sides, which is pretty cool. They’re a natural genetic aberration, which is wild.

  • Mature Size: 6 inches long
  • Color: Pink/white
  • Characteristics: No pigment and pink/red eyes

3. Black Lace Angelfish

It’s another type that’s interesting. Black Lace Angelfish came from a careful selection of silver and zebra angelfish with extra dark genes. They’re not very active swimmers and can get scared quickly, so keep them somewhere quiet.

  • Mature size: up to 10 inches
  • Color: predominantly black-colored body
  • Characteristics: not an active swimmer

4. Gold Angelfish

Gold Angelfish, on the other hand, is pretty flashy. They feature a split pattern of silver and gold and have long, trailing fins that you need to watch out for. They take a while to develop their rich golden hue, but they’re worth the wait.

  • Mature Size: 6 inches long
  • Color: Golden
  • Characteristics: Stripeless

5. Koi Angelfish

Koi Angelfish are pretty cute. They have a red patch beneath their eyes when they’re young, which fades as they grow up. Some have patches of black, but they lack stripes. And get this; their orange tone gets darker when they’re stressed!

  • Mature Size: 6 inches long, 8 inches deep
  • Color: White, yellow/orange, black
  • Characteristics: Tricolor with unique markings

6. Leopard Angelfish

Leopard Angelfish trace their roots to common Angelfish. They have spots on their sides instead of stripes, and you need to keep the lighting as close to natural as possible to maintain those spots’ clarity.

  • Mature Size: 6 inches long
  • Color: Black and golden yellow
  • Characteristics: Variable markings

7. Marble Angelfish

Marble Angelfish combines the best features of other types with swirling patterns in black, white, orange, and silver. They’re sturdy and not susceptible to diseases.

  • Mature Size: 6 inches
  • Color: predominantly black-colored body
  • Characteristics: one of the most resilient Angelfish you should consider

8. Silver Angelfish

Silver Angelfish are the original genetic material for most of the other types of Angelfish out there. They have silver bodies with three distinct dark stripes and are easy to care for.

  • Mature Size: 6 inches
  • Color: Silver
  • Characteristics: Adults are generally hardy, while juveniles can be pretty fragile.

9. Veil Angelfish

Veil Angelfish are the most popular, with over-the-top fins in every color and pattern. They’re pretty slow swimmers and are more prone to fin and tail rot. And those flowing fins are stiff for nippy tank mates to resist.

  • Mature Size: 6 inches long
  • Color: Variable
  • Characteristics: Long, flowing fins

10. Zebra Angelfish

The Zebra Angelfish has four to six stripes across the body, including the one through the eye. They’re smaller than the others but are faster and more active swimmers. And some develop red eyes when they’re fully mature!

  • Mature Size: 6-7 ½ inches
  • Color: looks like a zebra
  • Characteristics: vertical stripes on its body

Each type of Angelfish has its unique look and personality, so you can pick the one that speaks to you the most.

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What Size Tank Do Two Angelfish Need? 

If you want to keep some angelfish, ensure you have at least 20 gallons of space for one or 40 gallons for a couple. Suppose you want to make a nice little community tank with a small school of Angelfish and some other fish buddies. In that case, you’ll need at least 55 gallons, but bigger is always better!

Do Angelfish Grow To The Size Of Their Tank? 

The size of an angelfish doesn’t depend on its tank size. But here’s a tip: Angelfish like to grow up more than out, so if you want to make them happy, give them a tall tank instead of a wide one!

Can Angelfish Live In A Small Tank?

Keeping an angelfish in a tiny tank won’t grow right; they’ll be all stressed out, and they could get sick. So if you’re gonna keep an angelfish, go for a tank that’s at least 20 gallons for one fish, or 40 gallons if you want a couple.

Get the Facts_ How Big Can Your Freshwater Angelfish Grow


Angelfish are pretty cool, but if you’re considering keeping them in your aquarium, you must know how big they can get. There are common types of Angelfish you’ll find at the pet store, and they usually grow to be around 6 inches tall. That’s a decent size for a fish, right? With some care and attention, these fish can become a beautiful centerpiece of your tank. Just remember to provide them with a spacious and healthy environment, and you’ll be rewarded with happy and healthy fish.

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