Tag: "sightings" at biology news
Whales, seals or men? Who stole all the fish?
... boats spend their time. Kaschner scoured reported sightings
of 115 species of marine mammals. For each sighting, she noted ocean depth, water temperature, and distance from the ice edge. This gave her a crude picture of where each species prefers to live with respect to these three variables. Then she divide...
Releasing pet fish into the wrong ocean proves a diaster
...eting with local fish. The move follows increasing sightings
of exotic species not native to the area, includin...m imports of tropical marine fish into the US with sightings
of exotic fish in the wild recorded by REEF, a non-governmental organisation, between 1993 and 2002....