Related topics: fish

Amazon fish has super-shield against piranhas

An "armoured" fish living in the Amazon has evolved a remarkable multi-layer defence against the voracious piranha, materials scientists reported Tuesday.

How pufferfish meditate magnesium to survive

Scientists at Tokyo Institute of Technology collaborate colleagues at Japan's Shimonoseki Academy of Marine Science and Mayo Clinic College of Medicine, Minnasota, USA, to uncovered the molecular mechanisms behind Mg2+ secretion ...

As dams loom, Mekong fishermen fear for their future

The waters of the mighty Mekong have sustained generations of families but nowadays its fishermen often find their nets empty and fear hydropower mega-dams will destroy their livelihoods.

Recirculation technology improves smolt welfare

New knowledge is making land-based smolt production more efficient and improving fish welfare in the process. Recirculation technology is solving the problem of access to an adequate supply of fresh water for additional fry ...

Researchers name new fish species

(Phys.org) —Researchers from Murdoch University's Freshwater Fish Group & Fish Health Unit and South Australian Museum have officially named Australia's newest freshwater fish: the Little Pygmy Perch (Nannoperca pygmaea ...

Archerfish get an eye test (w/ video)

(Phys.org) —A modified version of an eye test used to assess visual acuity in the military has been given to archerfish by scientists to help explain how these remarkable fish are able to accurately spit down tiny insects ...

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