The world's largest rodent:pay a crab
..... that they eat the rodent sized cockroaches also endemic to [DOC] [TLE] The Top Ten Invasive Species in Texas | StateImpact Texas [PAR] Apr 13, 2012 ... Nutria is a large, semi-aquatic exotic rodent that has created problems for ... out 
how exactly they wound up in our part of the world, some things are clear.