How much protection is enough?

Protection of marine areas from fishing increases density and biomass of fish and invertebrates (such as lobster and scallops) finds a systematic review published in BioMed Central's open access journal Environmental Evidence. ...

Picky eater fish clean up seaweeds from coral reefs (w/ Video)

(Phys.org)—Using underwater video cameras to record fish feeding on South Pacific coral reefs, scientists have found that herbivorous fish can be picky eaters – a trait that could spell trouble for endangered reef systems.

Man will have smaller fish to fry, biologists warn

As fish get smaller under Man's environmental impact, they become more exposed to predators, which means a crucial food source will become more endangered than thought, scientists said on Wednesday.

Darkened fjord waters mean fewer fish, more jellyfish

The seawater in the Baltic Sea, the North Sea, and Norway's coastal waters and fjords is gradually getting darker. Researchers are observing signs similar to those from overproduction of organic compounds. The result may ...

Next-generation echo sounder ready

Norwegian researchers are putting the finishing touches on a new echo sounder that provides far more information than previous versions ever could – making it much easier to identify fish and zooplankton.

Fisheries benefit from 400-year-old tradition

A new study by the Wildlife Conservation Society and James Cook University says that coral reefs in Aceh, Indonesia are benefiting from a decidedly low-tech, traditional management system that dates back to the 17th century.

Alien species play havoc with fish

Researchers in Italy suggest that one of the main limits of spatially explicit forms of marine conservation, such as Marine Protected Areas (MPAs), is that they cannot protect areas from major threats, including coastal modifications ...

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