The new species of Irukandji jellyfish sparks particular scientific interest because it has no tentacles.

Last year’s record numbers expected to be repeated

Fish fluoresce more in deep water, converting blue-green light into red.

Four million acres in southern Argentina declared Biosphere Reserve by UNESCO.

Findings highlight the uniqueness and high biodiversity value of the Pitcairn Islands as one of the least impacted in the Pacific, and suggest the need for immediate protection.

Picks from the archives...

X-Ray Mag #19 - Oct 2007
X-Ray Mag #22 - Mar 2008
Naked Beauties - nudibranchs
X-Ray Mag #43 - July 2011
X-Ray Mag #56 - Sep 2013

Muck diving is a term used quite frequently these days that can be applied to either a dive site, a type of diving or even an entire region like Lembeh Strait in Indonesia or Anilao in the...

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Great White Shark Bitten
Boulder brain coral

We see them all the time, the stony corals — beautiful and kind of mysterious. They differ slightly from each other, with winding patterns that often resemble our brains. Want to learn more about...

Reproduction occurring a mere 17 days after hatching

Conservation International's Mark Erdmann captures some amazing footage of a new species of shark, which seems to be walking on its fins.

Scuba divers have discovered a primeval underwater forest off the coast of Alabama.

PSA released in conjunction with Florida's waiving of the requirement for license to harvest lionfish

When jellyfish die and sink to the bottom of the ocean, organic carbon is sequestered in deep water layers or in sediments.

Study highlights risks of genetically modified fish breeding with wild stock

Existence of second Arapaima species established in rare monograph

Scientists have decoded the DNA of a celebrated "living fossil" fish, gaining new insights into how today's mammals, amphibians, reptiles and birds evolved from a fish ancestor.

French Marine biologist Laurent Ballesta embarks on a 40-day expedition to study the enigmatic coelacanth.

Protecting mangroves to lock carbon away may be an economic way to curb climate change

Horned ghost crabs change their appearance from day to night for camouflage,

Scientists first suspected the crabs' unusual day to night colour change after noticing differences in images of them taken at different times.

Glowing bacteria inside squids use light and chemical signals to control circadian-like rhythms in the animals

Sea hares uses a sticky secretion to fool hungry predators

Stingrays living in Stingray City in the Cayman Islands — have profoundly changed their ways, reports a new study published in the journal PLOS One.

Fluorescent light produced by corals correlate with coral stress prior to bleaching

For years marine biologists have puzzled over what the mysterious vampire squid eats.

How do how salmon navigate across thousands of miles of open ocean? A new study may offer a clue to the fishes' homing strategy

As clownfish move around at night, they boost water flow over the anemone and increase its oxygen consumption.

Ship noise affects crab metabolism, with largest crabs faring worst

Two new species of the gorgonian inhabiting barnacles occur exclusively in a symbiotic relationship with a black coral host.

A Japanese research team discovered the nudibranch Chromodoris reticulata loses its appendage after mating and can regrow it in a relatively quick time period to do it again

European perch exposed to oxazepam, a drug commonly used to treat anxiety disorders in humans, is likely to behave in an antisocial manner


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