This is only small part of his underwater work at the White Sea Biological Station. When he went underwater for the first time he was absolutely shocked. White Sea showed him another world with it's own aliens, and some of them were really amazing creatures. And... here they are:
Lion's mane jellyfish Cyanea capillata
Moon jellyfish Aurelia aurita
Cyanea capillata. It's maximum size is 2m bell diameter with 35m tentacles.
Jellyfish parasite Hyperia galba
Hyperia galba inside Cyanea capillata
Hyperia galba inside Aurelia aurita
Comb jelly Bolinopsis infundibuliformis
Comb jelly Beroe cucumis
1cm hydromedusae Aglantha digitale
Sea butterflies Limacina helicina. Theyare food for Sea angels.
Pteropod mollusk Sea angel or Clione limacina hunting