Monosolenium tenerum (often sold incorrectly as “Pellia”) is an aquatic liverwort popular in shrimp and aquascaping tanks for its soft, decorative growth and relatively easy care.
🔎 Basic characteristics
Type: Liverwort (not a true moss)
Color: Dark green, slightly translucent
Texture: Thick, branching, fleshy thalli (fragile)
Growth rate: Moderate
Height: 2–5 cm
Difficulty: Easy to moderate
💧 Aquarium requirements
Light
Low to medium
Under strong light it grows faster but can become loose and float away
CO₂
Not required
With CO₂ it grows denser and shows a deeper green color
Temperature
Optimal: 18–25°C
Tolerates cooler water well (good for Caridina shrimp setups)
pH & hardness
pH: 5.5–7.5
Soft to medium water preferred
🌱 Growth habit & use
Forms soft cushions or mats on hardscape
Does not attach by itself — must be tied or glued to rocks/wood
Can detach and float if not secured properly
Excellent shelter for baby shrimp
Traps detritus, so occasional gentle cleaning is recommended
 
PLEASE NOTE:
As this moss comes from a shrimps tank, it may contain baby shrimps or small snails