Tropical FD Brine Shrimp 100ml / 8g (Freeze-Dried Artemia)

Tropical FD Brine Shrimp 100 ml / 8 g is a single-ingredient natural fish food made from freeze-dried adult brine shrimp (Artemia salina). The light pieces can be offered dry or softened in aquarium water first, giving fishkeepers a cupboard-stable way to add Artemia to a varied feeding plan without storing a frozen pack or maintaining a live culture.

Each quantity is one sealed 100 ml tub with an 8 g net weight. Tropical intends this food for omnivorous and carnivorous freshwater and marine ornamental fish. That description is about feeding ecology, not a promise that one product suits every species: check the normal diet and mouth size of your fish, break the food into an appropriate portion and watch how the group responds.

The declared analysis is unusually clear for a natural food: 54.0% crude protein, 4.5% crude oils and fats, 2.0% crude fibre and 10.0% moisture. These figures describe this exact product; they do not make it a complete diet on their own. Use it as one useful element in a species-appropriate menu, alongside a suitable complete food where required.

What is Tropical FD Brine Shrimp?

The letters FD mean freeze-dried. Tropical starts with adult Artemia salina and removes moisture through freeze-drying, leaving a very light natural food in compact pieces. This is why the tub is labelled by both volume and weight: 100 ml describes the container volume, while 8 g is the net weight of the dry contents.

This is not frozen Artemia that needs thawing, live brine shrimp that continue to swim, or brine shrimp eggs that can be hatched. It is a finished, preserved food ready to portion. That distinction matters when comparing products online, because searches for brine shrimp fish food often mix four quite different formats: live adults, newly hatched nauplii, frozen blocks and freeze-dried pieces.

Tropical describes the product as pieces rather than a uniform flake or granule. Natural batches can vary slightly in appearance, texture and aroma. Variation of that kind is normal for a food made from an invertebrate feed material; it does not mean that every piece will have the same dimensions or density.

What is in the tub?

The declared feed material is straightforward: freeze-dried brine shrimp, identified by Tropical as Artemia salina. The manufacturer does not list cereals, fish meal, colour additives or a vitamin premix for this product. It therefore provides the characteristics of the Artemia material itself rather than the broad nutrient design of a formulated complete flake or pellet.

Tropical also describes adult Artemia as a source of digestible protein and natural carotenoids. It is reasonable to report those declared characteristics, but not to turn them into guaranteed outcomes. The food may contribute variety and naturally occurring pigments; it cannot promise brighter colour, faster growth, stronger immunity or breeding success for every fish. Water quality, species, age, health and the rest of the diet all matter.

Declared nutritional analysis

The following values come from Tropical's declaration for this exact 100 ml / 8 g product. They are the appropriate figures to use when comparing it with another food; generic online values for brine shrimp may describe a different life stage, culture method, moisture level or brand.

Crude analysis is useful, but it is not the same as a complete nutritional specification. It does not list every amino acid, fatty acid, mineral or vitamin, and it does not show whether the total diet meets the needs of a particular species. FAO's technical work on adult Artemia also notes that lipid quantity and quality can vary with the diet used to culture the Artemia. For that reason, the exact label should guide product comparison and a varied, species-appropriate feeding plan should guide everyday use.

Which fish is it intended for?

Tropical's intended group is omnivorous and carnivorous freshwater and marine ornamental fish. This is more precise than saying "all tropical fish". Fish sold under the broad tropical, coldwater or marine labels can have very different digestive adaptations, mouth sizes and feeding behaviours. A food that suits one may be too rich, too large or simply outside the natural diet of another.

Start with the fish's feeding ecology. An omnivore that normally accepts animal foods may use freeze-dried Artemia as one part of a mixed menu. A carnivore may also accept it where the piece size is suitable. A strongly herbivorous or highly specialised feeder still needs food designed around its own requirements; adding brine shrimp does not replace that.

Examples such as bettas, tetras or cichlids should never be treated as one nutritional category. Some individuals may take a small, softened fragment readily, while another species in the same broad group may need a different food. Observe feeding rather than relying on a long marketing list.

How to feed freeze-dried brine shrimp

Tropical's direction is to feed several times during the day in small portions that the animals consume within 2-3 minutes. That is a consumption limit, not a fixed prescription for every aquarium. The appropriate amount depends on fish size, number of fish, temperature, the rest of the day's food and how quickly this particular group eats.

1. Check the piece before it enters the tank. Break or crumble it if the intact fragment is larger than the fish can comfortably take.
2. Choose dry or pre-soaked feeding. Tropical permits both. Dry pieces tend to remain near the surface; pre-soaking makes them easier to separate and distribute lower in the water.
3. Offer less than you think you need. Add a small first portion and watch every fish, including quieter animals away from the main feeding point.
4. Spread the food when necessary. In a mixed community, release small fragments at more than one point so a dominant fish cannot take the whole piece.
5. Stop while feeding is still controlled. Do not keep adding food merely because one bold fish continues to beg.
6. Remove obvious leftovers. Any food left to decay can add organic waste, regardless of how clean the product is to handle.

Dry feeding or pre-soaking?

The manufacturer allows both methods. Neither is automatically correct for every tank. The best choice depends on where the fish feed and how readily they handle the pieces. If you soak the food, use clean aquarium water and feed it promptly rather than leaving it standing for a long period.

There is no manufacturer requirement to soak for a particular number of minutes, and the current package declaration does not support claims that every dry piece will swell dangerously inside a fish. Pre-soaking is a handling option, not a medical treatment. Portion size and observation remain more important than repeating a fixed internet rule.

How much should you feed?

A useful portion cannot be expressed as one pinch per tank or a fixed amount per litre. A pinch varies between people, and two aquariums of the same volume can contain completely different fish. Use Tropical's 2-3 minute consumption window as the upper observation guide, but make the first portion small enough that you can still correct course.

Watch for three things: whether all intended fish can reach a piece, whether fragments remain after active feeding stops, and whether the rest of the feeding plan already supplies enough animal material. If food repeatedly reaches the substrate uneaten, reduce the next portion or change the release method. If only the dominant fish eats, distribute smaller fragments rather than increasing the total amount.

Several small manufacturer-directed feeds may suit some managed systems, while many home aquariums use a different schedule built around a complete staple. Do not add multiple Artemia feeds on top of an unchanged daily ration. Count this food as part of the total menu and adjust the other foods accordingly.

Is this a complete staple food?

Tropical declares one feed material: freeze-dried Artemia salina. That makes the ingredient easy to understand, but it does not establish that the product alone supplies every nutrient needed by every ornamental fish. Protein percentage is only one part of nutrition, and the needs of an omnivorous community fish are not identical to those of a specialist carnivore or marine species.

For most home aquariums, the clearest role is as a natural-food component in a varied programme. Pair it with a reputable complete food selected for the fish you keep. For a general omnivorous community where a flake is appropriate, Tropical Supervit Flakes is one possible complete-food direction to compare; always read that product's own suitability information before choosing it.

Can bettas eat freeze-dried brine shrimp?

A betta is an animal-feeding fish with a small mouth, so an appropriately sized Artemia fragment may fit into a varied betta diet. The important words are appropriately sized and varied. Break the piece down, offer a very small amount and observe the individual rather than pressing an intact block into the water.

This page does not prescribe a universal betta schedule, claim that soaking prevents disease or suggest replacing a complete betta food. Individual feeding response, body condition and water quality should guide ongoing use. If a fish has a health or buoyancy problem, seek qualified aquatic-veterinary advice instead of treating a food preparation method as a cure.

Can cichlids and community fish eat it?

Many omnivorous or carnivorous cichlids and community fish may accept adult Artemia, but these labels cover hundreds of species. Some cichlids are strongly herbivorous; some community fish have tiny mouths; some feed from the surface and others wait lower down. Check the species rather than using the word "cichlid" or "community" as the nutritional evidence.

In a mixed aquarium, food distribution can matter as much as food choice. Crumble a small portion, release it at several points and make sure quieter fish receive their normal appropriate food. A strong response from one fish is not proof that the entire tank should receive more.

Can marine fish eat it?

Tropical includes omnivorous and carnivorous marine ornamental fish in its intended group. That supports use where the species' established diet includes Artemia-sized animal material. It does not make this a complete marine formula or guarantee acceptance by every reef fish.

Marine fish can have exacting requirements for particle size, fatty-acid profile and feeding behaviour. Use the product as one component only when it fits those requirements. The 4.5% crude oils and fats declaration does not provide a detailed marine fatty-acid analysis, so do not infer that it replaces a formulated marine diet.

Is it suitable for fry?

This product is made from adult Artemia in pieces. It is not newly hatched baby brine shrimp, Artemia cysts or a powdered micro food. Very small fry may be unable to take it even when it is crumbled, and fine dust is not the same as a purpose-designed food with a controlled particle size.

Use a food matched to the fry's mouth size and development stage. Larger juveniles may be able to take carefully crushed fragments, but the package declaration does not promise fry suitability. If fry rearing is the goal, choose a dedicated product or live-food method with clear instructions for that species and stage.

Freeze-dried vs frozen vs live Artemia

These formats share the familiar name brine shrimp, but they are not interchangeable in storage, preparation or use. Choose by the needs of the fish and the practical limits of the aquarium, not by assuming one format is always nutritionally superior.

The correct comparison is therefore not "freeze-dried versus frozen" in the abstract. Compare the exact declared product, the life stage, the nutritional data available, the species being fed and whether you can store and portion the food safely.

How does it compare with other natural dry foods?

Rotating foods should be purposeful rather than a way to add more of the same nutrient. Different natural feed materials have different particle forms and declarations. Read each label separately and avoid assuming that daphnia, bloodworms, tubifex, calanus and brine shrimp are direct nutritional equivalents.

For a broader view, browse the aquarium fish food range. Select the complete staple first where one is needed, then choose natural foods that add appropriate variety for the species you actually keep.

Water quality and leftover food

Freeze-dried food is clean to store and easy to portion, but it is still organic material. Any fragment left to soften and decay can contribute waste. Good results depend on controlled feeding, adequate filtration and routine aquarium maintenance, not on the dry format alone.

Do not use cloudiness as the only measure of overfeeding. A tank can look clear while uneaten particles collect under wood, behind equipment or in the filter. Check those areas after the first few feeds and reduce the portion if fragments repeatedly remain.

If the food scatters too widely, change the method before increasing the amount. A brief pre-soak, smaller fragments or a targeted release can help intended fish reach the portion. Remove a large uneaten piece rather than waiting for the filter to deal with it.

Storage and handling

Keep the tub closed between feeds and protect it from aquarium splash, steam, direct sun and humid air. Use dry fingers or a clean dry utensil. The product's low weight and dry texture depend on keeping moisture out; repeated damp handling can cause clumping and reduce practical shelf quality.

Follow the best-before and storage information printed on the tub you receive. Discard food that has become unexpectedly damp, contaminated or abnormal in odour. Do not transfer it to an unlabelled container, because the original tub carries the product identity and batch information.

What this listing does not claim

Clear limits make a food page more useful. The following distinctions prevent a product declaration from being stretched into promises it cannot support.

Manufacturer and technical sources

This page uses the exact Tropical declaration for product identity, pack size, feed material, analysis and feeding directions. Species-level nutrition context is kept separate so a generic Artemia value is never presented as this tub's label.

• Tropical: FD Brine Shrimp product page - exact ingredient, analysis, pack and feeding declaration.
• Tropical: official FD Brine Shrimp product sheet - product form, intended feeding profiles and 100 ml / 8 g pack.
• Tropical Deutschland: FD Brine Shrimp declaration - exact analysis, feeding method and human allergy warning.
• FAO Artemia manual: nutritional properties of juvenile and adult Artemia - scientific context on protein and variable lipid composition, not a substitute for the product label.

Ordering from Tropical Fish Co

Order one 100 ml / 8 g tub per quantity. The current price and stock shown beside the buy button are supplied live by the store, so this description does not repeat a figure that can become stale. New customers can use WELCOME10 for 10% off an eligible first order.

This is a non-living dry product and is not covered by livestock language. See the current UK delivery information for dispatch and destination details. For a suitability, ingredient or order question not answered here, contact Tropical Fish Co before feeding.