Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other predators and prey, ...

Gender-bending fish share their secrets

When David Booth spotted his first seadragon he thought the colourful 40 centimetre-long fish looked like an intergalactic hybrid: half alien, half animated seaweed. "They are amazing things," the marine ecologist says.

Razor clam research has a sharp edge

(Phys.org) —A barefoot encounter with a Razor Clam is not a pleasant experience, just ask anyone who has had their feet sliced open in the shallows of picturesque Lake Macquarie, north of Sydney.

US tiger shrimp sightings worry scientists

(AP) -- A big increase in reports of Asian tiger shrimp along the U.S. Southeast coast and in the Gulf of Mexico has federal biologists worried the species is encroaching on native species' territory.

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