December 21, 2018
Ocean circulation change suffocating Gulf of St. Lawrence
Estuaries are among the most nutrient-rich and biologically productive areas of the ocean, and the Gulf of St. Lawrence, where freshwater from …
The EARTH archive
Fish
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13 articles · Page 1 of 1
February 23, 2018
Spawning salmon engineer landscapes
All animals depend on their ecosystems for habitat. And, in turn, many animals impact their ecosystems by engineering the landscape to suit their …
June 19, 2017
Evolution of eyes, not limbs, led fish onto land
In the Middle Devonian, roughly 385 million years ago, the first vertebrates began making their way out of water. For these pioneering fish, the …
May 17, 2017
The mackerel year: Tambora changed how New England fished
The 1815 eruption of Indonesia’s Tambora Volcano led to a 1- to 1.5-degree-Celsius drop in the average global temperature, prompting 1816 to be …
February 16, 2017
Tiny fish illuminates tooth fairy mystery
When kids lose their milk teeth, the roots shrivel up and just the outer enamel falls out — a process known as basal resorption. Now, the …
November 15, 2016
Coral Reef Roundup: December 2016
With multiple threats facing our coral reefs — from climate change to overfishing — and scientists continually studying the coral reefs beneath …
July 14, 2016
Tully monster mystery solved
In 1958, an amateur fossil collector named Francis Tully found a strange fossil in a quarry near Morris, Ill., southwest of Chicago. Thousands …
July 14, 2016
Jawless fish more like jawed fish than thought
Vertebrates come in all shapes and sizes, but the one thing almost all have in common are jaws, which developed early in vertebrate evolution. …
April 21, 2016
Fish evolved quickly after earthquake
Evolution is often thought of as occurring over very long timescales, but as a tiny Alaskan fish demonstrates, significant changes can take place …
May 29, 2015
Counting 'tree' rings in fish skulls provides climate clues
Most fish have little structures in their skulls that record growth patterns — periods of feast and famine — just like tree rings. Now, …
March 9, 2015
Ice (Re) Cap: April 2015
From Antarctica to the Arctic; from polar caps, permafrost and glaciers to ocean-rafted sea ice; and from burly bears to cold-loving microbes, …
December 15, 2014
Down to Earth With: David Montgomery
From the length and breadth of his body of work, you might assume that David Montgomery, a geomorphologist at the University of Washington in …
August 19, 2014
Ancient shark jaws resemble those of modern fish
Sharks are thought to have one of the most consistent body plans in the animal kingdom; the formidable predators seem to have remained roughly …