they both like the water.
Water repellant fur,live near and spend much of their time in water.
Otters are Mustelids, carnivores, and water rats are rodents. Otters are larger, with a rounded muzzle, and a fur covered tail, whereas the water rat has a naked tail.
theyare both rodnts
well they both love company
Water birds, rats, ants, snakes, frogs, otters, other crabs, fishes, sharks, octopuses, human... water pollution, destruction of habitats...
the similarities between cat rat and bat are that they are from the kingdom animelia and phylum mamalia.
Manatees and river rats and possibly otters.
In rivers i have seen around the world you could find fish of all kinds, crocodiles, hippos, otters, water rats, beavers, eels, snakes and toads.
no rats have gills, incuding water rats
they have the same blood organs and the some DNA cells.
What studies have found is that there are strands of DNA that we share, 13 strands, with rats. What that acutally means, isn't quite as well known.
yes. water rats are one of the most endangered mammals in the world.