Because many people like to eat them.
Some people eat yabbies, some also kill them to use for fishing. If yabbies are kept in a tank which is to small and to crouded they can fight and some might get killed. Other then that they could get killed if a bird or something bigger then them spots them.
No. Yabbies have an exoskeleton.
No.
They can come out on land only when breeding. My two yabbies did
err not a good idear yabbies will eat a goldfish
Crayfish are known as both crayfish and yabbies in Australia. "Yabbies" are freshwater crayfish, often found in rivers, creeks and dams in rural areas.
yes they are
You can but it's not smart to do so. The Yabbies will rip bits off the fish.
yabbies were first found in edenatorejupiter or guytiporfjubintequa (aqua-poo-poo-flute-free-liteny)
yes yabbies are meat eaters and if arn't fed well the will attack frogs and tadpoles
school
No. Yabbies are omnivourous scavengers. They are opportunistic feeders and eat whatever they can find be it dead or alive. Insect larvae/fish other smaller crustacea, rotting plants, fruits etc can all be eaten by Yabbies.