Myth 1

Myth 1: Why even talk about noble crayfish? They are already extinct.

True
False

Myth 2

Myth 2: Signal crayfish grow twice as fast as noble crayfish.

True
False

Myth 3

Myth 3: Crayfish walk backwards.

True
False

Myth 4

Myth 4: One can not fail stocking signal crayfish.

True
False

Myth 5

Myth 5: One doesn’t need a permit to stock crayfish.

True
False

Myth 6

Myth 6: The crayfish plague lives on at the bottom of lakes for many years.

True
False

Myth 7

Myth 7: Crayfish want it to be cold when they mate. Thus, they do not start until late in the autumn.

True
False

Myth 8

Myth 8: Noble crayfish are immune to the crayfish plague.

True
False

Myth 9

Myth 9: It’s hopeless to stock noble crayfish.

True
False

Myth 10

Myth 10: Signal crayfish or not, noble crayfish are still doomed.

True
False

Myth 11

Myth 11: Once a plague, always a plague.

True
False

Myth 12

Myth 12: Noble crayfish are stocked, just like signal crayfish.

True
False

Myth 13

Myth 13: All research money goes to noble crayfish.

True
False

Myth 14

Myth 14: No matter how hard signal crayfish are fished, the catches continue to be good.

True
False

Myth 15

Myth 15: Since the signal crayfish comes from a deep and cold lake (Lake Tahoe, CA), they give a good catch, even in Norrland.

True
False

Myth 16

Myth 16: The signal crayfish is spreading to new lakes, when fertilized roe gets stuck in bird’s feathers.

True
False

Myth 17

Myth 17: A male crayfish can put up his antennas in the air and feel the scent of a mating ready female hundreds of meters away.

True
False

Myth 18

Myth 18: Once the signal crayfish has established itself in a lake, it can’t be eradicated.

True
False

Myth 19

Myth 19: The stocking of signal crayfish is positive from an national economic perspective.

True
False

Myth 20

Myth 20: Overfishing is the greatest threat to the noble crayfish.

True
False

Myth 21

Myth 21: What do you mean Sweden only has two species of freshwater crayfish? We actually have three!

True
True