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Ecology

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.

Picks from the archives...

X-Ray Mag #03 - Feb 2005
X-Ray Mag #24 - Jul 2008
X-Ray Mag #06 - Aug 2005
X-Ray Mag #50 - Sep 2012

The rather dark reputation of Humboldt squid has been readily reinforced by various wildlife television programs and other media which present these creatures as giant animals hungry for blood or...

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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

The large dispersal potential of coral larvae in open water and the proximity of different species on the ocean floor pose a mystery for researchers

Light stress a major contributor to coral bleaching

Tagged eels help scientists understand migration

Silvery 3-metre cephalopod snapped in July 2012 near Ogasawara Islands.

Colony may world’s largest

The health of the Chesapeake Bay in the US East coast improved slightly last year with underwater grasses the only area suffering a setback.

No robust evidence for a global increase in jellyfish over the past two centuries.

Rapid administration of zinc could be life saving in human sting victims.

Sea slugs go to sleep based on internal clocks

New fossil named Pauline avibella

Female fish are attracted to males that "flirt" with other males, a study has found.

Siamese fighting fish gulp air to prolong bouts.

Identical sea snakes are 2 completely different species

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