All About Angelfish

Angelfish (Pterophyllum scalare) are one of the most popular freshwater aquarium fish. These graceful, elegant fish are known for their striking appearance, intelligence, and social behavior. In this article, we'll explore everything you need to know to care for angelfish in your aquarium.

  1. Tank Size

Angelfish are relatively large fish that will require a 150L tank as a minimum. If you want to keep a group of angelfish, you'll need to ensure their is adequate visual blocks to prevent fighting. 

  1. Water Parameters

As with any fish, a well cycled aquarium is needed. This means that you must have adequate bacteria populations to support the waste of the fish. If you would like help on this topic, let me know. We are happy to help. For pH, neutral or slightly acidic (6.4-7.4pH) is ideal. Temperature wise, you will want to keep it between 24-28 Celsius. 

  1. Tank Setup

Angelfish are active fish that love to explore and hide, so providing plenty of hiding spots and territory is essential. It is important to remember that Angelfish are big, slow fish. Make sure you leave plenty of easily negotiable space for them to explore. 

Live plants are a great addition to an angelfish tank. Not only do they provide hiding spots and visual interest, but they also help to keep the water clean. Angelfish may nibble on some plants, but they are safe for them to eat.

  1. Diet

Angelfish are easy to feed, and will readily accept a variety of foods. Some options include flakes, pellets, gel, live and frozen food. A personal favourite for angelfish is the Sera Insect granule food. 

  1. Behavior

Angelfish can be aggressive, especially towards other angelfish. They are also known for eating other fish that can fit in their mouth. I recommend getting a group 1.5-2x the number of angels you want to keep in the end. Then thin them out and sell the aggressive ones as they grow. You will then be left with a group that gets along. In terms of tank mates, non-aggressive things that do not fit in their mouths are good options. Examples of these fish include lemon tetra, platies, corydora and rainbowfish.

In conclusion, angelfish are a beautiful and fascinating species that can make a great addition to any freshwater aquarium.  By providing a suitable tank environment, maintaining good water quality, feeding a balanced diet, and choosing peaceful tank mates, you can ensure your angelfish are happy and healthy. With a little knowledge and effort, you can enjoy the grace and beauty of these magnificent fish for many years to come.


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