![](http://fizzyenergy.com/wp-content/uploads/2009/06/aequorea-macrodact.jpg)
A jellyfish, Aequorea macrodactyla
![](http://fizzyenergy.com/wp-content/uploads/2009/06/lobate-ctenophore.jpg)
A lobate ctenophore (Bathycyroe fosteri) which is very common and abundant near the mid-Atlantic ridge. (5 cm tall)
![](http://fizzyenergy.com/wp-content/uploads/2009/06/megaleledone-seteb.jpg)
The Census for Marine Life, a global network of researchers in more than 80 nations, estimates that about 230,000 species of marine animals have been described, and that there could be a total of between 500,000 and 10 million species in the sea
Megaleledone setebos, a shallow-water circum-Antarctic species endemic to the Southern Ocean
![](http://fizzyenergy.com/wp-content/uploads/2009/06/diacria-trispinosa.jpg)
Diacria trispinosa (pteropod)
![](http://fizzyenergy.com/wp-content/uploads/2009/06/eaugaptilis-hyperb.jpg)
A deepwater copepod, Eaugaptilis hyperboreus, bearing its eggs
![](http://fizzyenergy.com/wp-content/uploads/2009/06/file-clam.jpg)
File clam, Lima sp.
![](http://fizzyenergy.com/wp-content/uploads/2009/06/hippopodius-hippop.jpg)
Hippopodius hippopus. One of the swimming bells in this colonial siphonophore has broken way from the colony and resembles a human mask
![](http://fizzyenergy.com/wp-content/uploads/2009/06/limacina-helicinia_1401611i.jpg)
A swimming snail (Limacina helicinia) that lives in both Arctic and Antarctic waters
![](http://fizzyenergy.com/wp-content/uploads/2009/06/nemertean-pelagone.jpg)
A nemertean pelagonemertes rollestoni hunting for zooplankton prey that it will harpoon with a dart attached to the tongue coiled within it. Its yellow stomach reaches out to feed all parts of the body
![](http://fizzyenergy.com/wp-content/uploads/2009/06/pohls-sea-urchins.jpg)
Pohls sea urchins found off Lizard Island
![](http://fizzyenergy.com/wp-content/uploads/2009/06/oxygyrus-keraudren.jpg)
Oxygyrus keraudreni. Unlike its relative the pteropods that ¡§fly¡¨ through the water like a bird, this heteropod uses its flattened foot like a paddle to push it through the water. Unlike most other pelagic snails the shell is made of cartilage
![](http://fizzyenergy.com/wp-content/uploads/2009/06/pram-phronima.jpg)
Phronima sedentaria (female) caught between 50 and 200m. Amphipod known as a pram bug
![](http://fizzyenergy.com/wp-content/uploads/2009/06/pyrosomella-vertic.jpg)
Pyrosomella verticilliata - a type of colonial tunicate (sea-squirt)
![](http://fizzyenergy.com/wp-content/uploads/2009/06/sabellids-or-fan-w.jpg)
Sabellids or fan worms
![](http://fizzyenergy.com/wp-content/uploads/2009/06/thalassocalyce.jpg)
Thalassocalyce (ctenophone - comb jelly)