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image: Mysterious Oil Gland Discovered in Swordfish

Mysterious Oil Gland Discovered in Swordfish

By | July 6, 2016

When heated experimentally, the secretory organ releases oil through pores on the animal’s head, producing a slick coating thought to reduce drag in swimming fish. 

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image: Evolution of Fish Bioluminescence

Evolution of Fish Bioluminescence

By | June 9, 2016

Fish evolved to make their own light at least 27 times, according to a study.

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image: Genome Digest

Genome Digest

By | May 17, 2016

What researchers are learning as they sequence, map, and decode species’ genomes  

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image: Study: Small Fish Comforted By Big Predators

Study: Small Fish Comforted By Big Predators

By | April 28, 2016

Baby fish show fewer signs of stress in the presence of large fish that scare off midsize predators. 

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image: Fish Size, Vision Skills Explained

Fish Size, Vision Skills Explained

By | November 5, 2015

Scientists describe molecular underpinnings of salmon size and of fishes’ ability to navigate murky environments in separate studies.

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image: Enamel’s Origins

Enamel’s Origins

By | September 25, 2015

Fossil and genetic evidence indicates tooth enamel originated in the scales of ancient fish.

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image: Genome Digest

Genome Digest

By | May 21, 2015

What researchers are learning as they sequence, map, and decode species’ genomes

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image: Celebrating New Species

Celebrating New Species

By | May 21, 2015

An international panel of scientists selects the 10 most interesting organisms discovered last year.

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image: Warm-Blooded Fish

Warm-Blooded Fish

By | May 15, 2015

The opah, or moonfish, is a deep-sea fish that regulates its body temperature more like a mammal than any of its finned kin, researchers have determined.

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image: Behavior Brief

Behavior Brief

By | April 8, 2015

A round-up of recent discoveries in behavior research

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