Vermont health officials have found radioactive strontium-90 in a smallmouth bass taken from the Connecticut River.

Grey seals and cod used to be found in great abundance throughout the Baltic Sea, but today the seals are chiefly present in the northern parts of the sea while the cod is found in the south.

Last week, 1.3 billion fish were released into the Yangtze River by the Chinese Ministry of Agriculture (MOA). The release took place in the provinces of Jiangxi, Hubei, Hunan, Anhui and Jiangsu in the middle and lower reaches of the river.

The U.S. Army Corps of Engineers have constructed an electric barrier in the Chicago Sanitary and Ship Canal, a waterway linking the Mississippi River with the Great Lakes watershed. The idea is to prevent Asian carps from entering the Great Lakes where it could wreck havoc with the ecosystem.

A team of researchers headed by Taylor Chapple, a UC Davis doctoral student, has made the first rigorous scientific estimate of White shark (Carcharodon carcharias) numbers in the northeast Pacific Ocean.

For those who wish to boldly go where just a handful of researchers has gone before, the Algalita Marine Research Foundation is now offering tickets to visit the Great Pacific Garbage Gyre.

An international consortium has been formed to study the potential effects of adding iron to the ocean to promote the growth of phytoplankton.

This is not really fish related but cool enough to warrant a post here anyway. Scientists have discovered a new species of Wolf in Egypt.

Scientists researching the Gulf of Mexico have found an underwater mass of dead biological material that appears to be growing as microscopic algae and bacteria get trapped and die.

Scientists from NOAA and its state and nonprofit partners have applied at-sea chemical sedation to successfully free a young North Atlantic Right Whale off the coast of Cape Canaveral in Florida, USA.

A large amount of New Zealand’s seagrass have been killed by sediments released from land development. The seagrass bed at Whangarei Harbour has for instance been reduced from 14 sq km in the 1960s to virtually non-existant today.

When salmon is farmed in large-scale monocultures, the fish tend to become susceptible to disease and parasites.

The government, no doubt panicking over the effects of recent shark attacks on tourism, is destroying the delicate ecological balance in the coastal regions of South Sinai, as well as hurting tourism, Sharm experts and divers have charged.

A researcher has commented that this past Wednesday his team has discovered that a local freshwater salmon species classified as extinct by the government about seven decades ago, still lives on in Lake Saiko.

Foreign Minister McCully has raised the alarm to anti-whaling protesters that ships of Japanese origin will be armed to the teeth, and cautions activists to keep an eye out.