Ichthyomyini
Ichthyomyini is a tribe of New [World rats and mice] in the subfamily Sigmodontinae. The species within this tribe share the characteristics of all being carnivorous semiaquatic rodents.
The following genera are recognized in this tribe:
- Subtribe Icthyomyina
- *Chibchanomys
- *Ichthyomys - crab-eating rats
- *Rheomys
- *Daptomys
- *Neusticomys - fish-eating rats
- Subtribe Anotomyina
- *Anotomys - aquatic rat