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Latest Freshwater fish Stories

2012-04-04 21:14:45

Reuse of key genes is a common theme Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the genetic changes that drive evolution. Now, researchers have sequenced the stickleback genome for the first time, and they have discovered that as fish in different parts of the world adapted to live in fresh water, the same sites in the genome were changed time and...

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2008-09-11 09:56:06

A recent study reports that nearly 40 percent of freshwater fish species in North America are in trouble, doubling since 1989. According to experts, humans have caused the "silent extinctions" through polluting and damming freshwater habitats. In the first large study of freshwater fish in North America in 19 years, a team of researchers from the US, Canada, and Mexico looked at a species restricted to certain geographic areas.  The decline among these "subspecies" groups is even more...

2008-09-11 09:00:20

By SETH BORENSTEIN By Seth Borenstein The Associated Press WASHINGTON About four out of 10 species of freshwater fish in North America are in peril, according to a major study by U.S., Canadian and Mexican scientists. The number of subspecies in trouble has nearly doubled since 1989, the report says. One biologist called it "silent extinctions" because few people notice the dramatic dwindling of certain populations deep in American lakes, rivers and streams. While they are...

2007-12-10 06:00:14

By Dan Howley, Albany Times Union, N.Y. Dec. 10--They don't have little mittens for their fins and they don't have scarves or gill muffs, but we don't have to feel sorry for the millions of freshwater fish that live out the winter in frigid water under a canopy of ice. Adapting to the radical changes our severe Northeast winters impose on their habitat comes as naturally to fish as jumping from a weed bed to snatch an unsuspecting insect from the glassy surface of a pond on an August...


Latest Freshwater fish Reference Libraries

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2007-06-24 20:15:53

The Three-Spined Stickleback, Gasterosteus aculeatus, is a fish native to much of northern Europe, northern Asia and North America. It has been introduced into parts of southern and central Europe. Three subspecies that are currently recognized by the IUCN are Gasterosteus aculeatus aculeatus, which is found in most of the species range, and is the subspecies most strictly termed the Three-Spined Stickleback; its common name in England is the Tiddler, although "tittlebat" is also sometimes...

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Word of the Day
mallemaroking
  • Nautical, the visiting and carousing of sailors in the Greenland ships.
This word is apparently from a confusion of two similar Dutch words: 'mallemerok,' a foolish woman, and 'mallemok,' a name for some persons among the crew of a whaling vessel.