Picture kindly supplied by Dr Ralf Britz. A new species of transparent miniature cyprinid in the genus Danionella has been described from the Brahmaputra River drainage in northeastern India by ichthyologist Ralf Britz.

Picture by Heok Hee Ng. A new bagrid catfish has been described from central Vietnam.

Picture by D Gordon E Robertson, Creative Commons Starfish are capable of regulating their body temperature by pumping itself up with cold seawater, according to research published in a recent issue of the journal American Naturalist.

Picture by Etrusko25, Creative Commons. Belgian scientists have discovered the hormonal mechanism by which the velvet belly lantern shark (Etmopterus spinax) controls its luminescence, making it the first instance of hormonal control of bioluminescence in fishes.

Belgian ichthyologists Emmanuel Vreven and Jos Snoeks have described a new species of spiny eel from northern Lake Tanganyika in a recent issue of the Journal of Fish Biology.

Visitors to the an aquarium in New Zealand had a bit of a shock after witnessing an impromptu caesarean section performed on a pregnant mother shark by... another shark.

Picture by Nick Hobgood, Creative Commons Attribution. Scientists from the University of Queensland have found that ocean acidification, in addition to its adverse effects on the reef-building capabilities of corals, may also cause them to starve.

American ichthyologists Richard Vari and Carl Ferraris have described a new whale catfish from the Takutu River drainage of southwestern Guyana in a recent issue of the journal Neotropical Ichthyology.

Picture by Bruno Degiusti, Creative Commons Coral reefs threatened by rising sea temperatures are set to be frozen in a "last ditch effort" to preserve them for the future.

Picture by Slingshot, Creative Commons. A diver at the Deep Sea World aquarium in Scotland has been bitten by an Angel shark.

Woods Hole Oceanographic Institution) The annual rate of increase in carbon dioxide emissions from fossil fuels has more than tripled in this decade, compared to the 1990s, reports an international consortium of scientists, who paint a bleak picture of the

Yale University) The world's oceans are absorbing less carbon dioxide (CO2), a Yale geophysicist has found after pooling data taken over the past 50 years. With the oceans currently absorbing over 40 percent of the CO2 emitted by human activity,