Alex Mustard / Red eye medusa (Polyorchis penicillatus) with hitchhiking amphipods (Hyperia medusarum). Browning Pass, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

Alex Mustard,Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...

Norbert Wu / Jellyfish (Diplulmaris antarctica) with several Amphipods (Hyperiella dilatata) bell can reach 18 centimeters, Medusa provides amphipods with protection and mating platform, Antarctica

Juergen Freund / Jellyfish - Bell Jelly in Pacific Ocean (Polyorchis sp) off California, USA

Alex Mustard / Red eye medusa (Polyorchis penicillatus) with its feeding tentacles extended to catch planktonic prey. Note that the bell of the jelly has hitchhiking amphipods (Hyperia medusarum). Browning Pass, Van...

Hiroya Minakuchi / Lion's Mane (Cyanea capillata) jelly from overhead viewing the bell, Prince William Sound, Alaska

Juergen Freund / Bell jelly {Polyorchis sp} California, Pacific

Gary Bell/ Oceanwide / Blue Warehou (Seriolella brama) juvenile sheltering among Moon Jelly (Aurelia aurita), Tasmania, Australia

Shane Gross / Red eye medusa (Polyorchis penicillatus) jellyfish, notably with black "eyes" in this case. Vancouver Island, British Columbia, Canada.

David Hall / Red-eye medusa (Polyorchis penicillatus), Nigei Island, Queen Charlotte Strait, British Columbia, Canada. September.