Trichorhina tomentosa, known as the Dwarf White Isopod, is one of the most popular isopods for bioactive enclosures due to its small size and rapid reproduction.
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Trichorhina tomentosa, known as the Dwarf White Isopod, is one of the most popular isopods for bioactive enclosures due to its small size and rapid reproduction.
Small, white, soft-bodied isopods, typically 3–4 mm in length.
1–2 years
Decaying plant matter, vegetables, leaf litter, and fish food flakes.
An essential isopod species for bioactive setups, perfect for beginners and experts alike.
Easy – beginner-friendly cleanup crew.
Small colonies thrive in 1–2 gallons
Neutral to slightly acidic substrate
Not applicable (terrestrial species).
72–80°F (22–27°C)
Up to 4 mm
Excellent with reptiles, amphibians, and other isopods.
Not suitable with predatory invertebrates that may consume them heavily.
Trichorhina tomentosa
Platyarthridae
South America
Highly social; thrives in large colonies.
Leaf litter, vegetables, decaying wood, and protein sources like fish flakes.
Prolific breeder; colonies grow quickly in moist, warm substrates.
Reproduces quickly; females carry eggs in marsupium until hatching. Colonies can sustain themselves indefinitely with proper care.
Humidity: 70–90%, Temperature: 72–80°F (22–27°C).
Desiccation from low humidity is the most common issue.
Peaceful and colony-forming; often burrows into substrate.
Shy and substrate-dwelling, often hidden but active in groups.
Trichorhina tomentosa, or the Dwarf White Isopod, originates from South America and has become a staple in the reptile and amphibian hobby. Its tiny size makes it an excellent cleanup crew for vivariums. They reproduce rapidly and thrive in high-humidity environments, often living unnoticed in the substrate while providing essential waste management.