|Scientific name||Rattus norvegicus|
|Home time period||Early Pleistocene epoch to present|
|Appearances|| Episode 1.2|
Rats were medium-sized, long-tailed rodents, a number of which lived in sewers and underground tunnels in the present.
Five years earlier (circa 2006), when a baby Kaprosuchus was flushed down into the sewer, it came across a rat there and attacked and ate it.