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  200-year-old sunken ship found off coast of Texas

Hooked! Male Fish Lure Females With Genital Claws

When male guppies fail to win over females with their good looks and dance moves, they turn to another, more aggressive set of tools: claws on the tips of their genitalia. Full story

How Much is a Fish Worth?

  Marine biologists are using fishing to show policymakers the value of preserving habitat, rather than developing it, with CNBC's Steve Liesman.

Reeling in the Economics of Fish

  CNBC's Steve Liesman explains how some biologists are using economics to save the environment.

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Articles

Small Fish's Predator Perception Makes a Splash

Male Guppies Father Offspring After Death

Neck-cams capture Alaska's bears foraging through city

Gooey Suits Help Teensy Critters Survive Space Conditions

Public Displays of Affection May Have Evolutionary Benefits

Most Whale Deaths Since 1970 Were Human-Caused

New Research Tech Makes Individual Cells Glow

200-year-old 'monster larva' mystery solved

Locate 25,000 species on new interactive map

Why (Some) Scientists Avoid the Public

Video

  Falcon chicks tagged atop NYC bridge

Four Peregrine falcons were banded by a wildlife biologist who visited their nest atop New York's George Washington Bridge. TODAY.com's Dara Brown reports.

  Thawed bats released for Ukraine spring

A biologist in the Ukraine saves 200 bats from a freezing winter by letting them "chill" in her refridgerator. TODAY.com's Dara Brown has the story.

  Cleaner water attracking more Blue Whales in Calif.

Biologists say krill is thriving in cleaner waters off the coast of California attracting more blue whales. KNBC’s Michelle Valles reports.

  'They could seriously get injured or killed'

Monica Degangelis a marine biologist with NOAA, and Kera Mathes, Aquarium of the Pacific, and Captain Roger Laferriere, Coast Guard warn people not to get too close to whales.

  Check out amazing Pacific Northwest animals!

Maureen O’Keefe, senior staff biologist at Point Defiance Zoo & Aquarium, shows various animals native to the Pacific Northwest.

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Related Photos

Virginia Department of Game and Inland Fisheries biologist John Odenkirk puts his boat in the water in Virginia
Virginia Department of Game and Inland Fisheries biologist John Odenkirk puts his boat in the water in Virginia

Virginia Department of Game and Inland Fisheries biologist John Odenkirk starts his day in pursuit of northern snakehead fish, putting his workboat into the water at Pohick Bay, Virginia May 23, 2013. REUTERS/Gary Cameron

Virginia Department of Game and Inland Fisheries assistant biologist Isel operates a stunboat in Virginia
Virginia Department of Game and Inland Fisheries assistant biologist Isel operates a stunboat in Virginia

Virginia Department of Game and Inland Fisheries assistant biologist Mike Isel operates a stunboat in Little Hunting Creek off the Potomac River, Virginia May 23, 2013. They're freakishly strong, hungry air-breathers that can survive for short periods on land. But northern snakehead fish, once view

Virginia Department of Game and Inland Fisheries Biologist John Odenkirk handles a large northern snakehead fish aboard his stunboat in Virginia
Virginia Department of Game and Inland Fisheries Biologist John Odenkirk handles a large northern snakehead fish aboard his stunboat in Virginia

Virginia Department of Game and Inland Fisheries Biologist John Odenkirk handles a large northern snakehead fish aboard his stunboat in waters off the Potomac River, Virginia May 23, 2013. REUTERS/Gary Cameron

Wildlife biologist Chris Nadareski, of the New York City Department of Environmental Protection, examines one of four peregrine falcons he banded, at a nest at the east tower of the George Washington Bridge, over the Hudson River, in New York, Tuesday, May 21, 2013. The chicks hatched three weeks ag