How Much Does a Pet Jellyfish Cost?

Written by: Staff

A jellyfish, also known as “Sea Jellies” or “Jellies,” are commonly found in every ocean around the world.  While some species can be found in fresh water, most tend to hang around the surface of the ocean waters.  Jellyfish can grow up to 25mm in diameter.  Although they are often displayed in aquariums around the world, a jellyfish can also be kept as a pet.  The cost of a jellyfish will depend upon the species, the breeder selling it, age and quality.

Jellyfish by Kwintin, on Flickr
Jellyfish” (CC BY 2.0) by  Kwintin

How much does a pet jellyfish cost?

On average, a pet jellyfish can cost anywhere from $25 to as much as $150 depending on the type.

A common pet, such as the Small Moon Jellyfish, retails for $30 to $60, while a Large Moon Jellyfish can retail for $55 to $75.

A starter kit that includes food, as well as a pair of jellyfish, can cost anywhere from $150 to $400.

For example, the online retailer sells live jellyfish for $35 to $55.  Here, for instance, a beginner package equipped with frozen food, can be purchased for as little as $150.

SpeciesPrice Range
Amakusa$55 to $70
Atlantic Sea Nettle$75 to $90
Australian Spotted$55 to $70
Blue Blubber$50 to $75
Flame$50 to $65
Ghost$50 to $65
Purple Striped$65 to $80
Red Cross Blubber$50 to $70
Small/Medium/Large Moon$25 to $60
Spotted Lagoon$50 to $75

Pet jellyfish overview

The most common types of jellyfish you will see on the market will be the large, medium and small moon jellyfish.  As you go up in size, the jellyfish will get larger.  Most of the largest ones will be about three inches in diameter upon delivery.

Most jellyfish will have a wider, saucer-shaped body that resembles that of a moon.  The stomach will be shaped similar to a four-leaf clover, and due to the translucent body, they can glow under any light that is shined on them.

Most of the time, jellyfish can be purchased online or at some local specialized pet stores.  A quick search online can yield some decent results.

What are the extra costs?

The aquarium is going to be a complex set up compared to most other aquariums.  Jellyfish will require a rounded corner aquarium as well as a constant flow of water throughout the tank to aid the jellyfish with its balance.  The aquarium will also require a good filtration system.  Do not be surprised to see aquarium setups that cost as much as a few hundred dollars.  Most people who are new to raising jellyfish will often purchase a tank from the breeder that’s designed solely for the jellyfish.  For instance, the popular desktop tanks retail for $100+

Depending on the species, a proper lighting system, such as a jellyfish lamp, may be required.  Keep in mind that some species are sensitive to light, so it may not be required.  Other accessories to consider will include an air pump, filter plate, air tube and substrate.

The diet of a jellyfish will include brine shrimp, cyclopeeze, plankton, and other small crustaceans.  Plan on spending about $15 to $30 per month to feed each jellyfish.

Retailers are capable of shipping jellyfish across the country; however, overnight shipping will more than likely be the only option to ensure that the jellyfish survive.   These shipping fees will often be around $30 to $75, depending on the breeder and how far they have to ship.  Most shipments will come packed in a plastic bag inside a breathable cardboard box.

While optional, it may be ideal to purchase a snail or smaller hermit crab to clean up after the jellyfish.  They can eat algae as well as leftover food and other debris left behind.

Tips to know

A jellyfish is a very delicate creature that can have a short lifespan if not taken care of properly.  It is essential that the appropriate food as well as set up is purchased so that the jellyfish can live a long, healthy life.

Before purchasing, some companies may have restrictions in regards to where they can ship jellyfish.  For instance,, the website we mentioned earlier, can’t ship to Hawaii, Alaska or Puerto Rico.

Moon jellyfish, the most common species purchased as a pet, will not sting.

How long do jellyfish live?  The lifespan depends on the species, but according to, they will die sooner than you expect because they are seasonal animals and will die and bloom every year when in the wild.  However, even if taken care of properly, they won’t live longer than a few years when in captivity.

They will always do best in a darker environment, so try to avoid placing the tank near the direct sunlight.

How can I save money?

Consider magical jellyfish tanks that have the illusion of a jellyfish.  Although they are often considered a toy, these are great alternatives to the cost and work of owning a live jellyfish.  These magic aquariums can sell for $10 to $55 depending on what kind of set up is purchased.

Purchasing a bundle may bring the individual cost down.

Check out Craigslist to see if any owners are listing any of their older equipment.  Those who don’t want to raise the jellyfish anymore may get rid of everything at once for a steep discount.

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Average Reported Cost: $27.5

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How much did you spend?

Was it worth it?  

  1. Chrissy (San Francisco,  CA) paid $55 and said:

    It was well worth my money, especially because Jellyfish Art makes it really easy — they have instructional YouTube videos, and customer service is really great and always available either by phone or email if I have issues.

    As for extra costs, I bought a Desktop Tank from Jellyfish Art for $249. It included everything I needed to get started. I just had to plug in the tank, add water / live rock, and acclimate my jellyfish (which I learned how to do from their Youtube videos).

  2. bob (hollywood,  america ) paid $0 and said:

    it was not worth the price 😮

    Was it worth it? No

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