ARTEMIA FOR FISH FEEDS

What Are Decapsulated Brine Shrimp Eggs?

Decapsulated brine shrimp eggs, as the name suggests, are the dormant eggs of brine shrimp (Artemia) with their outer shell (chorion) removed. Brine shrimp eggs naturally have a hard, indigestible brown shell. This shell is dissolved and removed through chemical or physical methods (typically using a sodium hypochlorite solution soak), resulting in decapsulated eggs.

Before decapsulation: Dark brown, with a hard shell, requiring hatching before they can be consumed by fish or shrimp.
After decapsulation: Color changes to orange-red or light yellow, without the hard shell, and can be fed directly.

Main Advantages

1. Nutrient-rich and easily digestible:
Retains the full high nutritional value of brine shrimp eggs (rich in protein, unsaturated fatty acids, astaxanthin, etc.), and the removal of the indigestible shell makes it easier for larvae (e.g., fry, shrimp postlarvae) to absorb, promoting growth.
An excellent substitute for live brine shrimp nauplii (freshly hatched larvae), especially when stable hatching of live feed is not possible.

2. Convenient to use, saving time and effort:
No hatching required: Eliminates the need for hatching equipment, saltwater, and waiting time (hatching typically takes 18-24 hours). Ready to use straight from the container, available on demand.
Easy to store and preserve: The dry product can be stored long-term in a cool, dry place. Hatched live nauplii need to be used quickly.

3. Safe and hygienic:
Avoids potential contamination from bacteria or pathogens due to unclean hatching environments.
Will not die and decompose in the water like live feed, thus polluting the water (provided feeding amounts are appropriate).

4. Controllable size and good palatability:
The size of decapsulated eggs is similar to that of freshly hatched nauplii, suitable for the mouth size of most fry during the first feeding stage (e.g., betta fry, goldfish fry, discus fry, small tropical fish fry) and crustacean larvae.

Disadvantages and Precautions

1. Potential chemical residue:
If the chemicals used in the decapsulation process (e.g., bleach) are not thoroughly removed, there may be trace residues. It is essential to choose reputable brands and check for relevant safety information when purchasing.

2. Lacks attractant movement:
Compared to moving live nauplii, decapsulated eggs are stationary. Some picky fry that are only attracted to moving prey may require training to accept them.

3. Possible partial nutrient loss:
The decapsulation process may lead to the loss of some water-soluble nutrients, but the overall nutritional value remains very high.

4. Fast sinking rate:
Decapsulated eggs tend to sink to the bottom quickly. For fry that inhabit the middle or upper water layers, feed small amounts multiple times, or use water flow to keep them suspended.

Usage Methods

1. Rehydration and Disinfection (Recommended Step):
Before use, soak in a small amount of fresh water for a few minutes, then rinse. This helps remove possible dust and further reduces the risk of chemical residue. Some hobbyists briefly soak them in a diluted methylene blue solution for disinfection.

2. Feeding Amount:
Better too little than too much! This is the key principle. Overfeeding will seriously pollute the water.
For the first feeding, take a small pinch with your fingertips (or use a wet toothpick to pick up a tiny amount) and sprinkle it into the water. Observe the fry’s feeding response within a few minutes. The ideal amount is what can be consumed within 10-20 minutes.

3. Feeding Frequency:
Due to the high energy requirements for fry growth, it is generally recommended to feed 3-6 times per day.

4. Storage:
After use, always seal the container tightly and store it in a cool, dry, dark place to prevent moisture and mold.

Suitable Targets

First food for various small fish fry: Such as guppies, tetras, bettas, goldfish, koi, discus, etc.
Feed for larvae of special organisms like shrimp, crabs, seahorses.
Supplementary nutritious feed for small ornamental adult fish.
Seedling cultivation of economically important aquatic animals (e.g., prawns, crabs).

Purchasing Advice

Choose products from well-known brands or those with a good reputation for more reliable quality.
Check the production date and expiration date, and try to buy fresh products.
For the first purchase, start with a small package to test, observing the fish’s acceptance and growth.

Summary

Decapsulated brine shrimp eggs are a truly remarkable invention in modern aquatic feeding. They have greatly facilitated breeders by providing a stable, safe, and highly nutritious food source for fry. While they cannot completely replace the “moving attractant” advantage of live feed, their perfect balance of convenience, safety, and nutrition makes them one of the staple foods for fry first feeding and daily supplementation.

For home ornamental fish breeding enthusiasts, keeping a bottle of high-quality decapsulated brine shrimp eggs on hand is almost an “insurance policy” for breeding success.

Withdrawal Times:

None.

Net Content

1 KG/Bag

Storage:
Tightly sealed,store in a dry place and protect from light

Shelf Life

3 Years

Batch No.:

SVIB202504600

MFDS DATE:15/06/2025

EXP. DATE:14/06/2028

Manufacturer
HENAN CHUANGXIN BIOLOGICAL TECHNOLOGY CO., LTD.
Zhengzhou City, Henan Province, China.