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Lone upside-down jellyfish found surrounded by over 200 babies

By Shane Graber - Posted Oct 17, 2011 08:00 AM
A lone upside-down jellyfish (Cassiopea sp.) that had been placed in a dedicated tank at Reef HQ (north Queensland) was one day found to have over 200 babies swimming in its tank in an act that looked like "immaculate conception." How was this possible?
Lone upside-down jellyfish found surrounded by over 200 babies

Cassiopeia sp. upside-down jellyfish. Photo by Chris Hind in the Florida Keys

The staff is still at a loss for how this happened. Some staff members at Reef HQ speculate that the babies could be clones from an injured jelly that had been housed and died in the tank months before:

"Jellyfish clone very easily. When some jellyfish are cut in half, you get two jellyfish," said Reef HQ aquarist Krystal Huff to . "Since the parent jellyfish was injured, it had damaged tissue cells which could have grown into other jellyfish."

Others speculate that it could be from an unobserved mating.

In any event, the new babies will be a welcome addition to Reef HQ, one of the world's largest living coral reef aquariums.

(via Adelaide Now)

Author: Shane Graber
Location: Indiana

Shane has kept saltwater tanks for the last 12 years, is a research scientist, lives in northern Indiana, and is a proud Advanced Aquarist staffer.

Website: http://www.advancedaquarist.com/.

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