Scientists have discovered a rare species of fish in ... in the upper reaches of rivers in freshwater. Juveniles move downriver and live in estuaries, while adults are typically found at sea when not ...

Freshwater pearl mussels are being bred as part ... "Adult mussels are brought into the hatchery in June and settled into a fish tank in a gravel basket," said Dr Taylor. "In August the mussels ...

As filter-feeders, freshwater mussels provide a vital service to Maine ... Fortunately, compared to most states within the range of these rare mussels, Maine hosts some of the best remaining ...

A new colony of endangered freshwater pearl mussels has been discovered in north Highland. The rare species was uncovered ... Six barriers to fish passage will also be removed from tributaries.

A rare species of freshwater jellyfish has been spotted in Lake Martin, puzzling local residents and marine biologists alike.