Gelatinous Zooplankton
Few creatures of the sea can rival the magnificent splendor of the disparate group of creatures we call gelatinous zooplankton.  The most familiar are the relatives of corals and anemones known as jellyfish.  The gelatinous lifestyle has been taken up by representatives of a number of other phyla.   These include the ctenophores (also known as comb jellies), gelatinous molluscs (heteropods and pteropods) and pelagic tunicates (salps, doliolids and pyrosomes).   Although unrelated, representatives of these groups share the property that when removed from the supportive aqueous environment, they collapse into quivering blobs (it's hard to hold yourself together when you lack any hard, rigid skeletal parts!).

Siphonophore

Siphonophore - Praya GZ-03

Umbrella Jelly

Umbrella Jelly - Eutonina Hydromedusa GZ-02

Bell Jelly

Bell Jelly - Polyorchis Hydromedusa GZ-04

Crystal Jelly

Crystal Jelly - Aequorea Hydromedusa GZ-01

Cross Jelly

Cross Jelly - Mitrocoma Hydromedusa GZ-05

Moon Jelly

Moon Jelly - Aurelia Scyphomedusa GZ-06

Sea Nettle

Sea Nettle - Chrysaora Scyphomedusa GZ-09

Purple-stripe Jelly

Purple-stripe Jelly - Pelagia Scyphomedusa GZ-07

Egg-yolk Jelly

Egg-yolk Jelly - Phacellophora Scyphomedusa GZ-08

Comb Jelly

Comb Jelly - Beroe Ctenophore

Lobed Comb Jelly

Lobed Comb Jelly - Bolinopsis Ctenophore  

Leucothea

Lobate Comb Jelly - Leucothea Ctenophore

Sea Gooseberry

Sea Gooseberry - Pleurobrachia Ctenophore

Heteropod

Heteropod - Carinaria

Sea Angel

Sea Angel - Cliopsis Gymnosome Pteropod

Sea Butterfly

Sea Butterfly - Corolla Thecosome Pteropod

Salp

Salp - Cyclosalpa Pelagic Tunicate

Salp

Salp - Thetys Pelagic Tunicate

All photographs © David Wrobel / Pelagia Photography and may not be copied or reproduced without permission!

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