Practical guide8 min
Copepods, rotifers and phytoplankton as a system
Plan linked marine microfood cultures without cross-contamination or silent starvation.
copepodsrotifersphytoplankton
AquaNexus knowledge library
Live foods
Original practical guides connected to the Aquatic Life Database.
4 guidesOriginal AquaNexus writingReviewed 2026-07-20
Practical guide8 min
Daphnia and Moina culture for breeders
Run productive water-flea cultures without overfeeding, overheating or losing every colony at once.
daphniamoinalive food
Practical guide8 min
Hatching baby brine shrimp reliably
Control salinity, aeration, temperature, light and harvest timing for clean fry food.
brine shrimpfry foodhatching
Practical guide6 min
How do I culture Grindal worms for aquarium fish?
A practical Grindal-worm culture for aquarium fish using moist substrate, controlled feeding, ventilation, clean harvesting and redundant starter cultures.
live foodGrindal wormsculturefish
Practical guide6 min
How do I produce infusoria for tiny fish fry?
A controlled way to culture microscopic first foods for tiny fry while avoiding foul, oxygen-starved jars and unknown pond-water risks.
infusoriafish frylive foodbreeding
Practical guide6 min
How do I start and maintain a vinegar eel culture?
How to maintain a vinegar-eel culture as a dependable tiny live food while avoiding direct transfer of acidic culture liquid into fry tanks.
live foodvinegar eelsculturefry
Practical guide6 min
How should live blackworms be stored and cultured?
How to keep live blackworms clean and alive for feeding, and why storage is different from trying to maintain a reproducing Lumbriculus culture.
live foodblackwormsstorageculture
Practical guide9 min
Live food culture fundamentals
Build clean, repeatable cultures with backups instead of gambling every fry batch on one container.
live foodculturefry
Practical guide6 min
Why did my phytoplankton culture crash?
A diagnostic sequence for marine phytoplankton cultures that bleach, settle, stop darkening or suddenly clear.
phytoplanktonmicroalgaelive foodculture crash
Practical guide6 min
Why did my rotifer culture crash?
A fault-finding sequence for rotifer cultures that lose density, stop reproducing or collapse after apparently normal production.
rotiferslive foodculture crashmarine fry
Practical guide6 min
Why has my microworm culture stopped producing?
A troubleshooting sequence for microworm cultures that have stopped climbing, slowed production, become too wet or developed an unhealthy odour.
live foodmicrowormsculturefry