Fish Species’ Y Chromosomes Diverged Even Without Recombination
Fish Species’ Y Chromosomes Diverged Even Without Recombination
Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.
Fish Species’ Y Chromosomes Diverged Even Without Recombination
Fish Species’ Y Chromosomes Diverged Even Without Recombination

Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.

Researchers discover surprisingly high levels of genetic diversity among the colorful male morphs of a freshwater fish.

fish
My Daughter’s First Pet—the Next Big Model Organism?
My Daughter’s First Pet—the Next Big Model Organism?
Christie Wilcox | Jul 15, 2021
Bettas were likely the first fish welcomed into human homes. Now, scientists are welcoming them into the lab to learn how genes dictate their appearance and behavior.
Trout Appear to Get Hooked on Meth
Trout Appear to Get Hooked on Meth
Christie Wilcox | Jul 6, 2021
After eight weeks of exposure to ecologically plausible levels of methamphetamines, the fish tended to prefer meth-laced water over water without the drug.
Tuna Story Exposes Challenges of Seafood Authentication
Tuna Story Exposes Challenges of Seafood Authentication
Christie Wilcox | Jul 1, 2021
A New York Times investigation’s failure to amplify tuna DNA from Subway’s tuna salad sandwiches likely says more about the complexities of identifying processed fish than about the ingredients.
African Coelacanths May Live to Be 100: Study
African Coelacanths May Live to Be 100: Study
Catherine Offord | Jun 18, 2021
This evolutionarily ancient fish species has a lifespan that’s around five times longer than previously thought, and a gestation time of more than five years.
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
US Pesticide Use Is Down, but Damage to Pollinators Is Rising
Amanda Heidt | Apr 5, 2021
The use of pesticides has decreased in the US by more than 40 percent since 1992, but the emergence of more-potent chemicals means that they are far more damaging to many species.
Book Club Discussion of Lulu Miller&#39;s <em>Why Fish Don&#39;t Exist</em>
Book Club Discussion of Lulu Miller's Why Fish Don't Exist
The Scientist Social Club | Mar 26, 2021
The Scientist Social Club talked to the author and her dad, Chris Miller. 
Oceanic Shark and Ray Numbers Down 71 Percent over Past 50 Years
Oceanic Shark and Ray Numbers Down 71 Percent over Past 50 Years
Lisa Winter | Jan 28, 2021
Overfishing is the biggest factor driving these species toward extinction, researchers conclude from a new study.
For Mates to Fuse Bodies, Some Anglerfish Have Lost Immune Genes
For Mates to Fuse Bodies, Some Anglerfish Have Lost Immune Genes
Katarina Zimmer | Jul 30, 2020
In most vertebrates, the absence of adaptive immunity would be catastrophic, but in some deep-sea angler fish species, it enables their “wild” and “wacky” mating habits.
Ichthyologist Jack Randall Dies
Ichthyologist Jack Randall Dies
Kerry Grens | May 7, 2020
The taxonomist described more than 800 species of fish.
Isotopic Bomb Traces Are a Boon to Biological Dating
Isotopic Bomb Traces Are a Boon to Biological Dating
Shawna Williams | Feb 21, 2020
The decades-old signature of nuclear testing can reveal the ages of organisms, or even individual cells.
Fish Steals Bioluminescence from Prey
Fish Steals Bioluminescence from Prey
Abby Olena | Jan 9, 2020
Rather than making its own light, a shallow-water marine fish gets all the tools that it needs for bioluminescence production from eating tiny, glowing crustaceans.
Image of the Day: Tiny Fish
Image of the Day: Tiny Fish
Jef Akst | Dec 2, 2019
This 1-centimenter-long frogfish is one of the many subjects of marine photographer Richard Smith.
Fish Biologist Victoria Braithwaite Dies
Fish Biologist Victoria Braithwaite Dies
Catherine Offord | Oct 30, 2019
The Penn State University scientist was known for her work on fish’s perception of pain.
Image of the Day: Tunabot
Image of the Day: Tunabot
Emily Makowski | Sep 25, 2019
This fish-inspired robot swims at greater speeds than previous ones.
Image of the Day: Fish that Eat Fish
Image of the Day: Fish that Eat Fish
Emily Makowski | Sep 13, 2019
Researchers categorize the different jaws of piscivorous fishes.
Newly Described Electric Eel Has Strongest Voltage Yet Measured
Newly Described Electric Eel Has Strongest Voltage Yet Measured
Kerry Grens | Sep 10, 2019
The same study also finds there are three species of Electrophorus, rather than one.
Image of the Day: Flashlight Fish
Image of the Day: Flashlight Fish
Nicoletta Lanese | Aug 21, 2019
The bioluminescent Anomalops katoptron can coordinate its schooling behavior after dark. 
Invasive Carp Could Spread Across Lake Michigan on Detritus Diet
Invasive Carp Could Spread Across Lake Michigan on Detritus Diet
Nicoletta Lanese | Aug 14, 2019
The fish’s undiscerning palate might make more of the lake habitable to the species than once thought, according to a new study.