Name: Frozen Artemia – Frozen Brine Shrimp for Fish
Brand: Microworms.in
SKU: FROZEN-ARTEMIA
Availability: InStock
Rating: 4.56 (16 reviews)

Question 1

What is frozen Artemia and how is it different from live brine shrimp?

Accepted Answer

Frozen Artemia (Artemia salina) is live brine shrimp harvested at juvenile to adult stage and flash-frozen to lock in full nutritional value — approximately 50–55% protein, essential omega-3 and omega-6 fatty acids, and astaxanthin, a natural carotenoid that enhances fish colour. The key difference from live brine shrimp is convenience and safety: frozen Artemia needs no hatching, no saltwater setup, stores for 12 months, and carries zero disease or parasite risk. Nutritionally, it closely matches live adult brine shrimp and is significantly more nutrient-dense than freshly hatched nauplii.

Question 2

Does frozen Artemia enhance fish colour?

Accepted Answer

Yes — significantly and reliably. Artemia contains high levels of astaxanthin, a natural carotenoid antioxidant that fish metabolise to intensify red, orange and pink colouration. This is the same pigment responsible for the vivid colour of wild flamingos and salmon. Fish cannot synthesise astaxanthin themselves — it must come from their diet. Consistent feeding of frozen Artemia 4–5 times per week produces visible colour improvement in most ornamental fish within 2–3 weeks. Results are most dramatic in bettas, guppies, discus, cichlids and goldfish.

Question 3

How do I thaw and feed frozen Artemia?

Accepted Answer

Break off only the portion you need, place in a cup of tank water for 2–3 minutes or run briefly under slow cold water until fully thawed. Drain the thaw water completely — never add it to your tank as it contains excess salt and dissolved nutrients that can affect water parameters. Rinse lightly once with fresh water, then feed immediately using a pipette, net or directly by hand. Feed only what fish consume in 3–5 minutes and remove uneaten Artemia promptly.

Question 4

Why should I not pour the thaw water into my aquarium?

Accepted Answer

Artemia are saltwater crustaceans — the thaw water contains dissolved salt, excess proteins and other metabolic compounds that can disrupt freshwater aquarium chemistry. Even small amounts added repeatedly can gradually raise salinity and affect sensitive fish and invertebrates. The thaw water also contains high levels of dissolved organic compounds that can cause ammonia spikes in smaller tanks. Always drain the thaw water, rinse lightly with fresh water, and feed only the clean thawed Artemia.

Question 5

Which fish benefit most from frozen Artemia?

Accepted Answer

Frozen Artemia is accepted enthusiastically by virtually all carnivorous and omnivorous freshwater fish. It is especially beneficial for: Bettas (colour enhancement and breeding conditioning), Guppies and Endlers (colour development and breeding), Discus (high-protein conditioning without excessive fat), Cichlids of all types (predatory feeding response and colour), Goldfish and Koi (natural carotenoid supplementation), Tetras, Barbs and Rasboras (condition improvement), and large predators like Oscars and Arowana (variety and conditioning). It is also excellent for marine fish when used in saltwater aquariums.

Question 6

How does frozen Artemia compare to frozen bloodworms?

Accepted Answer

Both are high-protein frozen foods but with distinct nutritional profiles. Frozen Artemia is especially rich in astaxanthin (colour enhancement), omega-3 fatty acids (DHA, EPA) and natural oils — making it superior for colour development and overall condition. Frozen bloodworms are higher in overall protein (~55–60% vs ~50–55%) and fat, making them more energy-dense and better for conditioning very active or large predatory fish. Both are excellent and complement each other well — rotating between the two gives fish a complete and varied nutritional profile. Artemia is generally more gentle on water quality and digestibility.

Question 7

Can I use frozen Artemia for breeding conditioning?

Accepted Answer

Yes — frozen Artemia is a highly effective breeding conditioning food. Its high protein content, essential omega-3 fatty acids and natural carotenoids improve egg quality in females, increase spawning frequency and produce stronger, more vigorous fry. Feed daily for 2 weeks before introducing fish for breeding. Many experienced Indian breeders rotate between frozen Artemia, live Microworms, live Daphnia and frozen Moina for their conditioning diet — this variety produces consistently better breeding results than any single food alone.

Question 8

Is frozen Artemia suitable for fry?

Accepted Answer

Frozen Artemia in its adult/juvenile form is generally too large for very young fry. Newborn fry (0–3 weeks) are better fed on live Microworms and frozen Moina which have much finer particle sizes (0.2–1.0 mm). However, finely broken Artemia can be introduced to fry from 3–4 weeks of age once they are large enough to handle the particle size. Freshly hatched live Artemia nauplii (BBS) are the ideal fry size — check our Artemia cysts and BBS range for live hatching options.

Question 9

Can I refreeze frozen Artemia after thawing?

Accepted Answer

No — never refreeze thawed Artemia. Once thawed, bacterial activity begins and nutritional quality degrades rapidly. All thawed Artemia must be used within 24 hours and any remainder discarded. For the 5kg and 10kg packs, we strongly recommend dividing the block into weekly-use portions in small zip-lock bags immediately on arrival — this prevents repeated partial thawing of the main block and maintains quality throughout the product life.

Question 10

How long does frozen Artemia last in the freezer?

Accepted Answer

Properly stored frozen Artemia maintains full nutritional quality for up to 12 months at -18°C or below. Keep in a sealed airtight bag or container to prevent freezer burn. Avoid storing near the freezer door where temperatures fluctuate with opening. Label each portion with the purchase date. If thawed Artemia has an unusually strong off-smell (mild fishy smell on thawing is normal), discard that portion and contact us. Consistent deep-freeze temperature is the most important factor for long shelf life.

Question 11

How is frozen Artemia different from Artemia cysts (BBS eggs)?

Accepted Answer

Artemia cysts are the dormant eggs of brine shrimp that need to be hatched in saltwater to produce live baby brine shrimp (BBS) nauplii. This is the classic method for producing live fry food — high effort but maximum nutritional value for newborn fry. Frozen Artemia is adult or juvenile brine shrimp that has been flash-frozen — no hatching required, ready to use immediately, suitable for juvenile and adult fish rather than very young fry. Both forms of Artemia are available at Microworms.in.

Question 12

Which pack size should I choose?

Accepted Answer

For home hobbyists with 1–3 tanks: 500g at Rs 99 is ideal — approximately 6–8 weeks at 4x weekly feeding. For regular hobbyists with 3–6 tanks or a breeding setup: 1kg at Rs 175 offers 12+ weeks supply with better per-gram value. For serious breeders with 10+ tanks: 5kg at Rs 599 (Rs 0.12/g) saves significantly. For fish farms, commercial breeders and aquarium stores: 10kg at Rs 999 (Rs 0.10/g) is maximum value — 50% cheaper per gram than the 500g retail pack.

Nutrient	Approx. Value
Protein	~50–55% (dry weight)
Fat	~10–15% (dry weight)
Astaxanthin	High — natural colour pigment
Omega-3 (DHA, EPA)	Present — skin and fin health
Omega-6	Present
Moisture	~80–85% (frozen)
Additives	None — 100% pure Artemia
Shelf Life	12 months at -18°C

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