8,283 results
8,283 results for: Fish
- Earth
Contraceptive-Patch Worry: Disposal concern focuses on wildlife
Some scientists now worry that discarded contraceptive patches may leak synthetic estrogen into the environment, potentially harming wildlife.
- Paleontology
Mosasaurs were born at sea, not in safe harbors
Newly discovered fossils of prehistoric aquatic reptiles known as mosasaurs suggest that the creatures gave birth in midocean rather than in near-shore sanctuaries as previously suspected.
- Animals
Upside Way Down: Video turns fish story on its head
The first video of whipnose anglerfish reveals them swimming upside down and trolling for prey on the 5,000-meter deep ocean floor.
- Animals
Fish Fraud: Cleaners show off before biting clients
Some of the reef fish that make their living by nibbling parasites off other fish may be luring clients into scams by offering free massages.
- Health & Medicine
First Line of Defense: Hints of primitive antibodies
After looking in primitive marine invertebrates that are considered to be close relatives to vertebrates, immunologists find families of genes that might provide clues as to how early immune systems evolved.
- Materials Science
Worm’s teeth conceal odd mineral material
A worm's teeth contain a copper mineral that could serve as a model for new materials.
- Earth
Weed killer feminizes fish
The weed killer atrazine can turn normally hermaphroditic fish into females, a new study shows.
- Animals
Tadpoles kill by supersuction
A high-speed video shows tiny African tadpoles that catch their prey in a manner unlike that used by any other frog larvae: by shooting out a tubular mouth for superfast suction.
- Animals
Ear for Killers: Seals discern foes’ from neighbor-whales’ calls
Harbor seals eavesdrop on killer whales and can tell the harmless neighborhood fish eaters from roving gangs with a taste for fresh seal.
- Paleontology
Forged fossil is a fish-eating fowl
Detailed analyses of Archaeoraptor, a forged fossil once thought to be a missing link between dinosaurs and birds, reveal that the majority of that fake comes from an ancient, fish-eating bird.
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A fish’s solution to broken hearts
The zebrafish can regenerate missing heart muscle.
- Health & Medicine
Stroke protection: A little fish helps
As little as one serving of fish per month offers protection against the most common form of stroke.
