Aquaculture Education

Standard vs Decapsulated Artemia Cysts: Choosing the Right Form

Compare shell-on Standard Artemia Cysts and shell-free Decapsulated Artemia to find the right fit for your hatching setup, feeding protocol, and customer segment.

Science-Backed Nutrition

Standard vs Decapsulated Artemia: What's the Difference?

Artemia cysts naturally have a thick outer shell known as the chorion. Standard cysts are typically hatched before feeding, since very young fry and shrimp larvae have limited ability to digest the unhatched shell — many other species and older larvae tolerate it without issue.

Decapsulation is a chemical hydration and oxidation process that removes the outer chorion while leaving the living embryo intact in a thin membrane. This gives a higher net caloric density per gram and lets the cysts be fed directly without a separate hatching step — while Standard Cysts remain a cost-effective, widely used option for operations with established hatching infrastructure.

VARS Decapsulated Artemia Product Packaging
REVIVE™ Decapsulated Artemia

500g & 1000g Vacuum Sealed Cans

Shell-free dried cysts with 100% digestible embryonic membrane.

Key Nutritional Metrics

Crude Protein
61.0%
Crude Lipids (Fat)
24.5%
Energy Value
502 kcal / 100g
Shell Contamination
0% (Pure)
Shell Removal Mechanism

Standard Cyst vs Decapsulated Embryo

Standard Artemia CystFor Hatching & Culture
CHORION SHELL

Retains its natural chorion shell. Hatch before feeding to very young fry, or feed directly to species that tolerate shell content.

VARS Decapsulated EmbryoReady to Feed Directly
100% DIGESTIBLE

Chorion fully removed. Higher net energy density (502 kcal/100g) with no hatching step — feed directly from the can.

Artemia Life Cycle
CYCLE #ARTEMIA-BIO
Dormant Cyst

Dehydrated, cryptobiotic — stable for years in dry storage

Hydration & Hatching

Chorion absorbs water and splits within 18–24 hours

Nauplius (Instar I)

Single eye, three appendage pairs — first live-feed stage

Adult Brine Shrimp

Reaches maturity in 2–3 weeks; produces new cysts or live young

Cryptobiosis → Hatch → Nauplius → AdultContinuous Reproductive Cycle

Technical Comparison: Standard Cysts vs Decapsulated Artemia

Feature
Standard Artemia Cysts
VARS Decapsulated Artemia
Outer Shell (Chorion)
Present — hatch before feeding to very young fry
Removed — ready to feed directly
Energy Content
Standard caloric density; some energy used during hatching
Higher net caloric density (502 kcal/100g) — no hatching energy loss
Incubation Cones & Equipment
Requires 24-hr aeration, light, salinity setup
No hatching setup required — feed directly from the can
Shell Handling
Unhatched shells should be separated from feed for very sensitive fry
No shell present — no separation step needed
Crude Protein
45–52%
61.0%
Crude Lipids (Fat)
10–14%
24.5%

Which Form Fits Your Operation?

Matching Standard and Decapsulated Artemia to commercial, public, retail, and home aquarist use cases.

Commercial Hatcheries & Marine Farms

Operations with established hatching infrastructure often use Standard Cysts as a cost-effective live feed. For very young or sensitive post-larvae (sea bass, sea bream, grouper, shrimp), many hatcheries switch to Decapsulated Artemia to skip the hatching step and reduce shell-handling labor.

Public Aquariums & Marine Exhibits

Decapsulated Artemia gives a ready-to-feed, high-energy option for delicate filter feeders, seahorses, and pipefish, while Standard Cysts suit exhibits where on-site hatching is already part of the routine.

Aquarium Shops & Wholesale Retailers

Both formats are available in shelf-stable retail cans (500g / 1kg) — Standard Cysts for customers who hatch their own live feed, and Decapsulated Artemia for customers who want a direct-feed option.

Reef Aquarists & Hobbyists

Decapsulated Artemia is convenient for direct feeding into reef tanks and fry-rearing setups without a hatching station, while Standard Cysts suit hobbyists who prefer to hatch their own nauplii.