Search Results for: Fish

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8,057 results

  1. Readers ask about Saturn’s icy rings, transparent fish and more

    By Science News Staff
  2. a composite of photos of a lion, a resplendent quetzal, golden poison frog and blue shark (left to right)
    Science & Society

    Humans exploit about one-third of wild vertebrate species

    An analysis of nearly 47,000 vertebrate animal species reveals that using them for food, medicine or the pet trade is helping push some toward extinction.

    By Sid Perkins
  3. A shiver of scalloped hammerhead sharks swim near the surface, in this underwater photograph. These endotherms may thermoregulate by closing their gills as they go deeper.
    Animals

    Why some hammerhead sharks seem to ‘hold their breath’ during dives

    Scalloped hammerhead sharks in Hawaii seem to limit the use of their gills during deep dives to prevent losing heat to their surroundings.

    By Freda Kreier
  4. A close up photo of several ghost catfish swimming on a black background while a light is shining on some of their scales which appear iridescent.
    Animals

    These transparent fish turn rainbow with white light. Now, we know why

    Repeated structures in the ghost catfish’s muscles separate white light that passes through their bodies into different wavelengths.

    By McKenzie Prillaman

  5. Readers discuss swimming sperm, a fishing fox and more

    By Science News Staff
  6. A photo of a diver swimming in a murky green body of water.
    Climate

    Nature’s changing colors makes climate change visible

    The world’s color palette is shifting in response to climate change. Seeing these changes in nature firsthand is a powerful communication tool.

    By Sujata Gupta
  7. Two scuba divers investigating a coral reef
    Life

    Coral reefs host millions of bacteria, revealing Earth’s hidden biodiversity

    A new estimate of microbial life living in Pacific reefs is similar to global counts, suggesting many more microbes call Earth home than thought.

    By Erin Garcia de Jesús
  8. In this underwater photo, Marine biologist Jessica Pate swims beside a large oceanic manta ray.
    Animals

    This marine biologist is on a mission to save endangered rays

    Jessica Pate and the Florida Manta Project confirm that endangered mantas are mating and sicklefin devils are migrating along the East Coast.

    By Brianna Randall
  9. A photo of a bluestreak cleaner wrasse.
    Animals

    Fish can recognize themselves in photos, further evidence they may be self-aware

    Cleaner fish recognize themselves in mirrors and photos, suggesting that far more animals may be self-aware than previously thought.

    By Betsy Mason
  10. An image of a rainbow tie dye background with two frogs, ants, fish and coral overlays.
    Animals

    The Sonoran Desert toad can alter your mind — it’s not the only animal

    Their psychedelic and other potentially mind-bending compounds didn't evolve to give people a trip.

    By Deborah Balthazar
  11. A close up photo of a clear liquid forming a bubble on what appears to be a black and gold circuit board.
    Health & Medicine

    A gel cocktail uses the body’s sugars to ‘grow’ electrodes in living fish

    A chemical reaction with the body’s own sugars turned a gel cocktail into a conducting material inside zebrafish brains, hearts and tail fins.

    By Simon Makin
  12. A sea turtle swims past clumps of elkhorn coral that have been bleached to a bright white color by environmental stress.
    Climate

    Extreme ocean heat off Florida has ebbed. But for marine life, the danger remains

    After the recent heat wave, corals have received too much heat too early in the summer, and other sea life could see lingering effects too.

    By Carolyn Gramling