SCOTLAND: The Big Picture / Maiden's salp (Thetys vagina) , west coast of Scotland, UK, July.

SCOTLAND: The Big Picture / Jellyfish (Pelagia noctiluca) amongst plankton , Shetland Isles, Scotland.

Solvin Zankl / Flatfish (Bothidae sp) larva, Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Common fangtooth (Anoplogaster cornuta) deep sea species from Atlantic Ocean close to Cape Verde. Captive.

Alex Mustard / RF- School of Scalefin anthias (Pseudanthias squamipinnis) on reef in the current feeding on plankton, with soft corals (Dendronephthya spp.) and fire coral (Millepora dichotoma) Jackson Reef, Strait...

Alex Mustard / Vibrant Red Sea reef scene, with orange female Scalefin anthias (Pseudanthias squamipinnis) swarming in front of Fire coral (Millepora dichotoma) feeding on plankton brought to the reef by currents. R...

Magnus Lundgren / Jellynose fish (Ateleopus sp) juvenile, in a soup of plankton, off Anilao, Balayan Bay, Batangas, Philippines, Pacific Ocean.

Magnus Lundgren / Plankton reaching the surface during the vertical migration happening every night. Balayan Bay, off Anilao, Batangas, Philippines, Pacific Ocean

Alex Mustard / Scalefin anthias (Pseudanthias squamipinnis) shoal of orange female fish with a couple of purple males, swarming in front of a coral reef, feeding on plankton brought by currents. Ras Mohammed Marine...

SCOTLAND: The Big Picture / Amphipods (Amphipoda) living on a salp (Salpidae), Scotland, UK, July.

Solvin Zankl / Deep sea crab megalopa stage larva, Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Deep sea copepod, from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Sea butterfly or Thecosomata (Cavolinia uncinata) captive deep sea species from Atlantic Ocean off Cape Verde.

Solvin Zankl / Brachiolaria larva, late larval stage of starfish with sea star rudiment. Deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Blind lobster larvae (Stereomastis sp.) Deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Prawn larvae (Plesiopenaeus armatus) Deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Deep sea fish (Moridae sp.) from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Marine planktonic Copepod (Sapphirina sp.) brightly coloured copepods. Deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Arrow worm (Chaetognatha) eating a fish, deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Plankton sample with Pelagic snail, Ostracods and Foraminifera. Captive deep sea species from Atlantic Ocean off Cape Verde.

Solvin Zankl / Deep sea eel Leptocephalus larva (Elopomorpha) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Radiolaria, also called Radiozoa (Heliosphaera sp.) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Flatfish (Soleidae) larva with asymmetric body. When the larva develops to an adult asymmetric vertebrate, the right eye migrates from the right side of the body to the left where it 'joins' the left...

Solvin Zankl / Flatfish (Bothidae sp) larva with upright swimming and bilaterally symmetric bodies. When the larva develops to an adult asymmetric vertebrat, the right eye migrates from the right side of the body to...

Solvin Zankl / Calycophoran siphonophore (Chelophyes appendiculata) feeding on Copepod (Gaussia princeps) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Flatfish (Bothidae sp) larva with upright swimming and bilaterally symmetric bodies. When the larva develops the right eye migrates from the right side of the body to the left where it 'joins' the lef...

Solvin Zankl / Eye-flash squid (Abralia veranyi) from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Planktonic Foraminifera, deep sea species, Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Juvenile deep water pelagic octopus (Vitreledonella richardi) semi-translucent species, from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Larva of an Atlantic longarm octopus (Octopus defilippi) Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Siphonophore (Physophora hydrostatica) deep sea species from, Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Siphonophore (Physophora hydrostatica), Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Deep sea eel Leptocephalus larva (Elopomorpha) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Pram bug (Phronima) female with young in nest made from salp body, Atlantic Ocean off Cape Verde. Captive. Highly commended in the GDT European Wildlife Photographer of the Year 2017.

Solvin Zankl / Narcomedusa jellyfish (Solmundella bitentaculata), Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Blind lobster larvae (Stereomastis sp.) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Ostracod (Gigantocypris muelleri) Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Centric diatom (Centrales) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Squid (Cranchia scabra) deep sea species from Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Crab zoea larvae with strong and almost spherical carapace. With long and prominent rostrum pointing downwards. Atlantic Ocean off Cape Verde. Captive.

Solvin Zankl / Marine Planktonic copepod (Sapphirina sp.) from deepsea Atlantic Ocean off Cape Verde. Captive.

Pascal Kobeh / Plankton at night, Palau, Philippine Sea

Jordi Chias / Whale shark (Rhincodon typus) mouth open feeding at night, South Ari atoll, Maldives, Indian Ocean

Jordi Chias / Reef manta (Manta alfredi) mouth open feeding at night, South Ari atoll, Maldives, Indian Ocean

Willem Kolvoort / Mangrove red snappers (Lutjanus argentimaculatus) hiding behind some coral rocks feeding on plankton, Cosmoledo shallow reef, Seychelles, Indian Ocean

Brent Stephenson / Six Cape petrels (Daption capense) feeding on plankton along the edge of a large ground iceberg, Spert Island, Antarctic Peninsula, Antarctica, January.

Linda Pitkin / 2020VISION / Blue jellyfish (Cyanea lamarckii), feeding on small plankton, Lundy Island Marine Conservation Zone, Devon, England, UK, May.

Alex Mustard / 2020VISION / RF- Rear view of Basking shark (Cetorhinus maximus) feeding on plankton, visible as white dots on water surface near island of Coll, Inner Hebrides, Scotland, UK. June. (This image may be licensed eit...