Dog Vomit Slime Mold

The Garden Giant.

If you’ve ever seen a yellow blob appearing overnight on your garden mulch, you’ve likely met Fuligo septica.

While Physarum is the lab favorite, Fuligo is the undisputed king of the outdoors. It is larger, tougher, and much more porous than its cousin.

Biological Superpowers: The Heavy Metal King

Fuligo septica has a remarkable ability to tolerate high levels of toxic metals. It produces a pigment called fuligocentre that binds to zinc and other metals, allowing it to thrive in contaminated soils where other life forms struggle. It is a biological vacuum cleaner for heavy metals!

Cultural Significance: Caca de Luna

In some regions of Mexico and Central America, this slime mold is known as Caca de Luna (Moon Poop). It is historically harvested by local tribes, scrambled with eggs, and eaten. Note: We do NOT recommend eating your pets, especially if you aren’t an expert in species identification!

Behavioral Profile: The Mulch Explorer

Unlike the delicate Physarum, the Dog Vomit slime mold is built for the rugged world of decaying logs and wood chips. It has a thicker outer layer that protects it from shifting temperatures and wind. If you want to keep one at home, you’ll need a “terrarium style” setup with real wood and organic debris.