Fish species of the Neretva basin indigenous Neretva's salmonids. It's a two variation of stocked Brown trout, Danube and Atlantic sub-species, that threatens survival of the "Neretva Softmouth" to certain extent but more significantly indigenous "Neretva's Brown" trout of Adriatic strain through cross-breading. Fish species of the Neretva basin The fish fauna of the Neretva river basin in the western Balkans is representative of the Dinaric karst region and characterized by several endemic and endangered species. Overall the Dinaric karst water systems support 25% of the total of 546 fish species in Europe. The river Neretva and its tributaries represent the main drainage system in the
Common minke whale sharks have been found scavenging the blubber thrown overboard during Norwegian minke whaling operations off Svalbard. Great white sharks and blue sharks have also been observed feeding on a minke whale carcass off California. A new species of siboglinid annelid worm, "Osedax mucofloris", was discovered on the carcass of a 5.3 m (17.4 ft) female minke whale experimentally placed at a depth of 125 m (410 ft) in the North Sea. This genus of worm uses endosymbiotic bacteria to feed on the bones of whales that fall to the seafloor. Common minke whales are a host to a number of