Glass Jar Garden

Critters

Little sea isopod as drawn in the simulator

Little sea isopod

Cubaris murina

Closed jar onlyGrazes plants

A small tropical roller, slow to breed. Shreds litter quietly.

What the simulation uses

Eats litter
1.5 mg/day each
Dead leaves one animal shreds a day, turning them back into soil.
Eats mould
0.2 mg/day each
Mould one animal grazes a day, keeping fuzz and grey mould down.
Colony at most
400 per m²
How many the floor can feed when food is plentiful; less food, fewer.
Starving loses
2 % a day
How fast a colony thins when the jar cannot feed it.
Eats
decaying plant, leaf litter, rotting wood, fungi, frass, animal waste
Foods it lives on; the jar feeds it from whichever of these it has.
Humidity
70 to 95 % RH
Air moisture it needs.
Temperature
21 to 29 °C
Comfortable range; beyond it the colony suffers.
Doubles in
90 days
Time for the colony to double with plenty of food.
Lives
912.5 days
How long one animal lives.

Care

Size
6 to 11 mm
Moisture
Moist

What kills it

Description

Growing to about 1 cm, it is a favourite in tropical bioactive setups. It is gentle on plants, so it suits a planted jar. Keep it above about 18 °C, with soil that is damp but not waterlogged.

Also called little sea, Cubaris 'Little Sea'.

Estimated, where sources were thin: breeding (all fields); lifespan_days; temp_c; humidity_rh_pct; diet specifics.

Sources

Grow it in a jar