The discovery of tiny Upside-down Jellyfish, Cassiopea ndrosia, in West Lakes

April 22, 2018 | Posted in: Cnidaria, Marine invertebrates

As a result of my first discovery of Upside-down Jellyfish, Cassiopea ndrosia, in December 2016 (The Upside-down Jellyfish, Cassiopea ndrosia ), I was able to recognize the species occurring in the hundreds when I dived in West Lakes in March 2018.
I first saw a single tiny specimen: –

I moved in to take a closer look: –

A little later I saw another single specimen: –

Then I saw a couple more: –

Then I started seeing lots more, as shown in these few photos below: –

Then they seemed to be everywhere: –

As can be seen in the above photo, they were mostly quite tiny specimens, but some were larger than the others.
We had been diving in the area beyond those people in the background: –

Steve Reynolds is the current President of MLSSA and is a long-standing member of the Society. Steve is a keen diver, underwater explorer, photographer and is chief author of the Society's extensive back catalogue of newsletters and journals.

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