Изучение биотопов карповых рыб горных рек Южной Африки

Glowing redfins swarming among the cobbles, a speckled galaxias suspended weightless in the bubble line and a pack mottled kurpers lurking silently in the shadows. Wiley eels grin in their cavernous lairs as night sets in and their hunt begins. Large cyprinids like the Clanwilliam sandfish migrate great distances upstream to their rocky spawning grounds as the winter floods subside. A hundred years ago our fynbos rivers pulsed with fish life, but sadly those days are now long gone. Low-lying reaches have b