Saltwater Aquarium Fish for Marine Aquariums: Upside Down Jellyfish
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Upside Down Jellyfish
Due to variations within species, your item may not look identical to the image provided.
Upside Down Jellyfish (Cassiopea sp.)
Additional locales and sizes may be available!

Quick Stats

Care Level Expert Only
Temperament Peaceful
Color Form Green
Diet Carnivore, Filter Feeder
Reef Compatible No
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 8"
Venomous Yes
Origin Caribbean, Indo-Pacific
Family Cassiopeidae
Lighting Moderate to High
Waterflow Medium
Minimum Tank Size 30 gallons
What do these Quick Stats mean? Click here for more information

Overview

The Upside Down Jellyfish, also called the Cassiopeia Jellyfish, is so named because its flattened bell (head) rests on the bottom. It extends its frilly tentacles up into the water column where they capture planktonic food and absorb light that is used by photosynthetic algae that are housed in its body.

It also prefers a wide sandy bottom to the aquarium and requires high intensity light for photosynthesis to occur. It will not tolerate copper or high nitrates in the water, and since its body is composed of 95 to 98% water, sudden changes in salinity or pH can have radical consequences.

Its sting is mildly toxic; humans very rarely notice the sting. Care should still be taken though when handling it or while doing maintenance on the aquarium.

It will require daily supplemental feeding with zooplankton substitutes.

Approximate Purchase Size: 1-1/2" to 3"

Please note: We guarantee that ALL aquaria species we offer will arrive alive and in good condition. However, because of the increased level of care required for this particular species, it has been designated as "Expert Only." This species is recommended only for the expert aquarist, zoo, or research institution please.

Customer Testimonials

Holden Gehrung Menomonee Falls , WI
This is a great animal! So beautiful, so exotic, and it adds that little extra touch of "cool" to the aquarium!
1-1 of 1 testimonials

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