Society for Science & the Public, which publishes Science News, uses cookies to personalize your experience and improve our services. For more information on how we use cookies on our websites, visit our Cookie Policy.
News Animals

Loss of vision meant energy savings for cavefish

In dark, sight can be costly, novel measurement finds

Mexican cavefish

VISUAL ECONOMY  An unusual measurement shows how much Mexican cavefish — with no eyes — save on metabolic costs since the cave population lost its vision.

D. Moran

By Susan Milius

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Animals

  1. penguins
    Science & Society

    ‘A Polar Affair’ delves into a centurylong cover-up of penguin sex

    By Carolyn Gramling
  2. Origolestes lii
    Life

    An ancient critter may shed light on when mammals’ middle ear evolved

    By Carolyn Gramling
  3. devil worm
    Animals

    Devil worm genes hold clues for how some animals survive extreme heat

    By Sofie Bates
  4. Caribou herd
    Life

    Caribou migrate farther than any other known land animal

    By Sofie Bates
  5. Humpback whale
    Animals

    Humpback whales in the South Atlantic have recovered from near-extinction

    By Pablo Hernández-Mares
  6. jaw bone
    Animals

    A tooth fossil shows Gigantopithecus’ close ties to modern orangutans

    By Bruce Bower
  7. filefish
    Earth

    Plastics outnumber baby fish 7-to-1 in some coastal nurseries

    By Jonathan Lambert
  8. Florida carpenter ants
    Animals

    Flipping a molecular switch can turn warrior ants into foragers

    By Jake Buehler

From the Nature Index

Paid Content