Number of invasive crayfish explodes in Berlin inner-city park
Contributed by NAMPA / DPA.
BerlinĀ (dpa) - The rapidly expanding population of an invasive species of crayfish native to North America has shocked conservation experts in Berlin's central Tiergarten park.
More than 3,000 procambarus clarkii - which goes by a number of names, including the red swamp crawfish or simply mudbug - have been counted in the past two weeks, local environmental officials said.
The German capital's fisheries department had requested the count in late August after heavy rains brought the invasive cr ...