vs Colombian Oldfield Mouse

Clostridium botulinum compared with Thomasomys dispar

Key Differences

• is Not Evaluated while Colombian Oldfield Mouse is Data Deficient.

Taxonomic Classification

Rank		Colombian Oldfield Mouse
Kingdom	Bacteria (Bacteria)	Animalia (Animals)
Phylum	Firmicutes_A	Chordata (Chordates)
Class	Clostridia (Clostridia)	Mammalia (Mammals)
Order	Clostridiales (Clostridiales)	Rodentia (Rodents)
Family	Clostridiaceae	Cricetidae
Genus	Clostridium	Thomasomys
Species	Clostridium botulinum	Thomasomys dispar

Conservation Status

NE — Not Evaluated

Colombian Oldfield Mouse

DD — Data Deficient

Physical Characteristics

Attribute		Colombian Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Found in Sweden.

Colombian Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Clostridium botulinum is an anaerobic, endospore-forming bacterium in the family Clostridiaceae and the causative agent of botulism, a potentially fatal neuroparalytic illness caused by its potent botulinum neurotoxin — the most acutely toxic substance known. The neurotoxin acts by blocking acetylcholine release at neuromuscular junctions, causing flaccid paralysis and potentially respiratory failure. Seven serologically distinct toxin types (A through G) are produced by different strains, with types A, B, E, and F responsible for human botulism occurring through foodborne intoxication, wound infection, and infant intestinal colonization. C. botulinum spores are ubiquitous in soil and sediments worldwide, resisting boiling for extended periods and requiring autoclaving to destroy. Home-canned low-acid foods provide ideal anaerobic, low-acid conditions for germination and toxin production. Paradoxically, purified botulinum toxin has extensive medical applications, used clinically to treat spasticity, hyperhidrosis, chronic migraine, and cosmetically to reduce facial wrinkles (Botox). Strains are distributed globally and isolated from soils, sediments, and animal intestines across all continents.

Colombian Oldfield Mouse

<em>Thomasomys dispar</em>, commonly known as the Colombian Oldfield Mouse, is a small rodent species belonging to the genus <em>Thomasomys</em> within the family Cricetidae. This species is classified as Data Deficient, indicating that insufficient information is currently available to evaluate its conservation status with confidence. It has been documented in Colombia, where it inhabits diverse terrestrial and aquatic-adjacent environments. Members of the genus <em>Thomasomys</em> are typically associated with high-altitude Andean habitats, including páramo grasslands, shrublands, and montane forest edges, where they occupy ground-level microhabitats and burrow in soft soils. These mice are generally omnivorous, consuming seeds, plant material, and invertebrates, though specific dietary data for <em>Thomasomys dispar</em> have not been recorded. Biological traits of this species remain poorly documented in the scientific literature. The Data Deficient classification highlights the need for targeted surveys in Colombian Andean regions to determine population size, distribution, and the ecological requirements of this poorly known rodent.