The Mesmerizing Beauty of Keeping Jellyfish in Aquariums

Jul 23, 2023


Aquarium enthusiasts are constantly on the lookout for unique and captivating underwater species to keep in their tanks. While fish and corals are undoubtedly beautiful, have you ever considered keeping jellyfish in your aquarium? These delicate and hypnotic creatures are incredibly alluring, providing an awe-inspiring visual spectacle within the confines of your own home. In this blog, we will explore the world of jellyfish keeping, diving into the reasons why they make fascinating additions to any aquarium setup.

Marvel at Their Ethereal Beauty

Jellyfish possess an otherworldly charm, with their translucent bodies and elegant movements. Watching their tentacles gracefully swim through the water can be an incredibly mesmerizing experience. The unique colors and intricate patterns displayed by different jellyfish species only add to their visual allure. Owning a jellyfish aquarium allows you to appreciate their ethereal beauty whenever you desire.

Simple Maintenance Requirements

Contrary to common misconceptions, keeping jellyfish can be relatively simple compared to traditional fish tanks. Due to their limited physical structure, jellyfish can adapt to a wide range of environment and therefore require less intensive filtration systems. With the advancement of modern aquarium technology, specially designed jellyfish tanks called “jellyfish aquariums” are available in the market, further simplifying the setup process. These tanks provide the ideal environment for jellyfish, ensuring their health and longevity.

Create a Soothing and Relaxing Atmosphere

The soft undulating movements of jellyfish can have a profoundly calming effect on individuals, turning your aquarium into a serene oasis within your living space. Observing these graceful creatures float effortlessly through the water can help alleviate stress and promote a sense of tranquillity. Jellyfish aquarium owners often report feeling a sense of peace while watching the intriguing dance of these aquatic marvels.

Educational and Entertaining

Keeping jellyfish in your aquarium can be a great way to spark curiosity and inspire a love for the marine world in both children and adults. By observing jellyfish up close, you can learn more about their unique anatomy, life cycle, and behaviour. Their constant movements, tentacle patterns, and feeding habits are not only educational but also provide captivating entertainment as you explore their mysterious world.

Species Variety

Jellyfish come in an astonishing array of shapes, sizes, and colours. Moon jellies, sea nettles, or blue-blubber jellies are just a few examples of the diverse species available to jellyfish enthusiasts. Each species has its own distinct characteristics, making them a fascinating addition to any aquarium collection. Careful research and consideration of specific species requirements will ensure a healthy and visually diverse display.


Keeping jellyfish in aquariums is becoming increasingly popular among hobbyists, and for good reason. The ethereal beauty, simple maintenance requirements, and potential therapeutic benefits make jellyfish a unique and captivating choice for aquarium enthusiasts. The enigmatic nature of these creatures brings an unparalleled sense of awe and tranquillity to any living space. With proper research and setup, a jellyfish aquarium can become a mesmerizing centrepiece, allowing you to witness the enchanting world of jellyfish up close.

All the jellyfish-related words

There is a a lot of jellyfish-related terminology that gets thrown around often when it comes to keeping and breeding jellyfish and it can get very confusing very quickly. The purpose of this post is to provide a simple and quick explanation of all the different words we use, and to give you a reference point you can come back to if you forget


this refers to the final stage of the life cycle of a jellyfish. This is what we would traditionally imagine when we think of a jellyfish, with its familiar round shape and tentacles. The plural of a Medusa is Medusae.

A Marble jelly in medusa form

A moon jelly Ephyra


An Ephyra is the stage of a jellyfish life cycle that occurs right after a jelly pops off a  polyp. They are essentially baby Medusae. The primary difference between a Medusa and Ephyra is that generally they are not rounded, but more star shaped. They also don’t have visible tentacles or Oral arms. The plural of Ephyra is Ephyrae


A polyp is a stalk-like structure that attaches itself to substrate. A polyp can duplicate itself to create a genetically identical clone. This can eventually create a colony of polyps. Polyps can also strobilate and create new Ephyrae.

A Marble jelly in medusa form