a die off of fishes within a relatively short period due to the onset of man-caused or, more rarely, natural factors, e.g. pesticide related mortalities, red tides, drought. See also winterkill and summerkill
a die off of fishes within a relatively short period due to the onset of man-caused or, more rarely, natural factors, e.g. pesticide related mortalities, red tides, drought. See also winterkill and summerkill