Alosa agone some landlocked lakes have increased their numbers in recent years. The "twaite shad" are known to be very adaptive and variable as they form landlocked populations in Italy and its neighboring areas, including the western Balkans. They can modify their morphology and biology according to their environment. Therefore, "Alosa agone", just like many Alosa species, can be either marine or freshwater fish. Alosa agone Alosa agone is a species of ray-finned fish in the genus "Alosa". "Alosa agone" is an endangered species of the "Alosa" genus. "Alosa agone" are common in the Mediterranean and the western Balkans. There are also
Subterranean river many cities there are natural streams which have been partially or entirely built over. Such man-made examples of subterranean urban streams are too numerous to list, but notable examples include: Some fish (popularly known as cavefish) and other troglobite organisms are adapted to life in subterranean rivers and lakes. Greek mythology included the Styx, Phlegethon, Acheron, Cocytus, and Lethe as rivers within the Underworld. Dante Alighieri, in his "Inferno", included the Acheron, Phlegethon, and Styx as rivers within his subterranean Hell. The river Alph, running "Through caverns measureless to man / Down to a sunless sea" is central to the