CHF 20.90
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Ready for dispatch in 1-3 days, delivery time 10 working days
Ruto Krill Fine Flat Pack
Food suitable for:
- Freshwater fish
- Saltwater fish
- Turtles
- (especially for large cichlids)
Info:
Krill is the name given to a whole group of small creatures that are caught in the cold, nutrient-rich areas of the oceans. The largest proportion are crustaceans of various sizes.
Krill is a Norwegian word meaning whale food. In a narrower sense, krill refers to euphausids, which are small crustaceans that are part of the plankton (zooplankton) and belong to the shrimp-like crustaceans of the order Euphausiacea.
The best known species is the Antarctic krill (Euphausia superba), as well as Euphausia pacifica. Krill form huge swarms. The biomass is estimated at 100 - 800 million tonnes, making E. superba probably the most successful animal species in the world (world fishery yield approx. 100 million tonnes per year for comparison). It forms the basis of the Antarctic ecosystem and is the main food of many whales, seals, ice fish, squid, penguins, albatrosses and other birds. Krill grow up to six centimetres long, weigh two grams and probably live for up to six years. The "stomach" shimmers green through the transparent skin, indicating that E. superba feeds mainly on phytoplankton, especially diatoms, which it filters out of the water with its catch basket. It converts the primary production directly into a relatively large animal. Krill can also harvest algae from the underside of the pack ice. The total catch of E. superba is around 90,000 tonnes per year. Krill are also known as luminous shrimps or luminous crabs, as they have luminous organs on their blue eyes and body that emit a yellow-green light (bioluminescence).
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