David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

Alex Mustard / Female Lumpsuckers (Cyclopterus lumpus), already striped of their valuable eggs, which is sometimes known as Danish caviar, packed in ice at a fish processing plant. Husavik, Iceland.

Alex Mustard / A female Lumpsucker (Cyclopterus lumpus) caught in a net. There is an active fishery for lumpsuckers in Iceland, as the eggs of the female are sold as caviar. Female lumpsuckers only visit shallow wat...

Alex Mustard / 2020VISION / Lumpsucker (Cyclopterus lumpus) male in shallow water guarding eggs beneath Swanage Pier, Dorset, England, UK, English Channel, May

Alex Mustard / 2020VISION / Lumpsucker (Cyclopterus lumpus) colourful male guarding a clutch of eggs, St Abbs reserve, Berwickshire, Scotland, UK, North Sea, April

Alex Mustard / 2020VISION / Male Lumpsucker (Cyclopterus lumpus) covered in fluorescent pink copepod parasites, this male was guarding eggs, Babbacombe Bay, Devon, UK, March

Alex Mustard / 2020VISION / Juvenile Lumpsucker (Cyclopterus lumpus) attached to a kelp frond with its pelvic fins, which are modified into a sucker. Shetland Islands, Scotland, UK, June

David Tipling / Female Otter (Lutra lutra) with large lumpsucker, Shetland, Scotland, April

David Tipling / Female Otter (Lutra lutra) feeding on a large Lumpsucker, Shetland, Scotland, April

Wild Wonders of Europe / Lundgren / Lumpsucker (Cyclopterus lumpus) amongst seaweed, Saltstraumen, Bodö, Norway, October 2008

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe

David Shale / Lumpsucker {Cyclopterus lumpus} deepsea, 2392m, Barents sea, Northern Europe