It is hard to guess what a Mexican water mouse weights. But we have the answer:
An adult Mexican water mouse (Rheomys mexicanus) on average weights 40 grams (0.09 lbs).
The Mexican water mouse is from the family Muridae (genus: Rheomys). When reaching adult age, they grow up to 40.6 cm (1′ 4″).
As a reference: An average human weights in at 62 kg (137 lbs) and reaches an average size of 1.65m (5′ 5″). Humans spend 280 days (40 weeks) in the womb of their mother and reach around 75 years of age.
The Mexican water mouse, Mexican fishing mouse or Goodwin’s water mouse (Rheomys mexicanus), is a species of semiaquatic rodent in the family Cricetidae. It has a restricted range in the state of Oaxaca in southern Mexico, Threatened by deforestation and water pollution, it is listed as Endangered by the International Union for Conservation of Nature (IUCN).
Animals of the same family as a Mexican water mouse
We found other animals of the Muridae family:
- Long-nosed mosaic-tailed rat with a weight of 82 grams
- Gleaning mouse with a weight of 35 grams
- Large Japanese field mouse with a weight of 43 grams
- Western mouse with a weight of 34 grams
- House mouse with a weight of 19 grams
- Broad-toothed mouse with a weight of 125 grams
- Zempoaltépec vole with a weight of 42 grams
- Gray spiny mouse with a size of 8.4 cm (0′ 4″)
- Dolorous grass mouse with a weight of 50 grams
- Cape spiny mouse with a weight of 21 grams
Animals with the same weight as a Mexican water mouse
As a comparison, here are some other animals that weight as much as the Rheomys mexicanus:
- Mesquite mouse bringing 40 grams to the scale
- Handleyomys alfaroi bringing 33 grams to the scale
- Sandhill dunnart bringing 33 grams to the scale
- Great stripe-faced bat bringing 35 grams to the scale
- Ernst Mayr’s water rat bringing 42 grams to the scale
- False water rat bringing 45 grams to the scale
- Cloud forest grass mouse bringing 39 grams to the scale
- Jackson’s soft-furred mouse bringing 39 grams to the scale
- Short-haired water rat bringing 33 grams to the scale
- Naked-rumped pouched bat bringing 43 grams to the scale