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Ecology
Barrel sponge (Xestospongia muta)
Giant barrel sponges that can live for thousands of years have proliferated in the waters around the Florida Keys, the apparent winner in a recent battle for dominance among corals, seaweed and sponges.
The news out of the Gulf of Mexico doesn't look too bleak, according to preliminary reports here today at the semiannual meeting of the American Chemical Society.
Snappers at Sipadan Island
Fish can count, according to scientists, who have found that North American mosquito fish have the ability to count up to four.
Scientists have discovered a more ancient reef than the Great Barrier Reef - just 600 metres away from it. This reef is 169,000 years old.
Research led by the University of Bath is using the latest technology to find out how these fish are able to sniff out their prey.
X-Ray Mag #24 - Jul 2008
Is it mimicry, mimesis or camouflage?
X-Ray Mag #17 - Jun 2007
X-Ray Mag #03 - Feb 2005
X-Ray Mag #12 - Aug 2006
Cninaria
Lawson Wood
Scapa Flow has more shipwrecks and wreckage than any other location in Europe and is regarded as one of the top five wreck diving locations in the World.
Andrea Ferrari and Antonella Ferrari
Creative Techniques and Camera Systems for Digital and Film

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From X-Ray Mag

X-Ray Mag #19 - Oct 2007
Fish |  
Fish stocks are depleted world-wide. Over fishing, pollution and coastal development is putting the aquatic resources under strain. Eco-friendly tourism battles against the need for food. Scuba divers rage against dynamite fishing. The oceans struggle to sustain human activities. Many see fish...
X-Ray Mag #17 - Jun 2007
Ecosystems |  
Across the globe, coral reefs are in peril—this is already old news. Man-made stresses—overfishing, pollution and climate change—has sent even pristine coral reefs around the world into a drastic decline causing major changes in ecosystem structure. The resilience and regenerative capacity of reef...
X-Ray Mag #12 - Aug 2006
Corals |  
How the corals get their algae. In the previous issue of X-ray Mag the problem of coral bleaching was discussed. Mechanisms were described which might provide resistance and protection to increased temperature and light intensities. It was stated that, due to rising sea-temperatures, the symbiotic...
X-Ray Mag #12 - Aug 2006
Cninaria
Jellyfish |  
What? Animals in the sea armed with missiles? And thousands of them? Yes, you’ve read correctly. No, sea lions or dolphins have not been stealing Tomahawk missiles from any of the American navy bases. But did you know that jellyfishes, sea anemones and corals contain thousands of “miniature...
X-Ray Mag #11 - Jun 2006
Corals |  
Can tropical stony corals adapt to bleaching?
X-Ray Mag #07 - Oct 2005
Ecosystems |  
Ecofieldtrips Pte Ltd is a Singapore based company which employs specialist biologists to cover the biology of rainforests, mangroves, seashores and coral reefs in the unspoilt ecosystems
X-Ray Mag #06 - Aug 2005
Fish |  
Coral reef fishes have a life cycle that is divided in two. They begin their life after hatching with a pelagic larval phase, lasting from a week up to two months depending on the species, and ends with a benthic phase, when the fish larvae settles to the coral reef one night. For decades the...
X-Ray Mag #06 - Aug 2005
Jellyfish |  
Probably about 90 percent of deep-sea animals are bioluminescent. Some jellies use bioluminescence as a defense, i.e. they glow when disturbed in order to light up their predators, making their attackers vulnerable to even larger animals. A few deep-sea fishes and squids have glowing organs that...

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