Water flea can smell fish and dive into the dark for protection

Water fleas, or Daphnia, ensure their survival by reacting to a signal substance of their predators (fish) with flight. The zoologist Meike Anika Hahn from Professor Dr. Eric von Elert's research group at the University of ...

Daily up and down of the plankton animals in the sea

A unique series of measurements taken over several years in the Antarctic Ocean provide new findings about the daily vertical migration of zooplankton communities: scientists of the Thünen Institute of Sea Fisheries in Hamburg ...

Lunar cycle determines hunting behavior of nocturnal gulls

(Phys.org) —Zooplankton, small fish and squid spend hardly any time at the surface when there's a full moon. To protect themselves from their natural enemies, they hide deeper down in the water on bright nights, coming ...

Effect of CO2 on the integrity of well cement examined

Geologic carbon storage is the separation and capture of carbon dioxide (CO2) from large stationary sources, such as power plants, followed by injection into deep geologic formations. Long-term storage of CO2 pre-supposes ...

Fish larvae find the reef by orienting: The earlier the better

For the first time, a numerical study conducted by the University of Miami incorporates horizontal larval fish navigation skills into realistic 3D flow fields, creating a powerful tool that spells out how larvae use environmental ...

Prey-tell: Why right whales linger in the Gulf of Maine

(PhysOrg.com) -- As they might with most endangered animals, scientists consider the whereabouts and activities of right whales extremely important. "It is helpful to know where they go, why they go there and what they do ...

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