Live Food for Aquarium Fish: Types, Benefits & Feeding Guide
Updated: 6 days ago
Have you ever noticed how quickly aquarium fish react when live food enters their tank? Arowanas rush toward the surface, Bettas become alert, and Oscars eagerly chase moving prey. This natural feeding response is one reason live food remains popular among aquarium enthusiasts.
But is live food for aquarium fish better than pellets or dried food? And can fish stay healthy on insects alone?
The answer depends on the fish species and its nutritional requirements. Live foods can encourage natural feeding behaviour and provide dietary variety, while dried insects, pellets, frozen foods, and plant-based foods also have important roles in a balanced diet.
In this guide, we'll explore different types of live and dried fish food, their benefits, suitable feeding methods, and how to choose the right diet for your aquarium fish.
What Is Live Food for Aquarium Fish?
Live food refers to living organisms offered to aquarium fish as part of their diet. These include insects, insect larvae, small crustaceans, and other aquatic invertebrates.
In natural habitats, many fish consume insects, worms, small crustaceans, and other organisms depending on their species. For more details, read: Arowana Fish Feeding Guide: Perfect Diet and Live Food Choices for Healthy Growth.
Common examples of live aquarium fish food include mealworms, superworms, crickets, bloodworms, brine shrimp, daphnia, and mosquito larvae.
Live foods can be particularly useful for encouraging feeding in some carnivorous fish and stimulating natural hunting behaviour.
However, not every live food is suitable for every fish. The size, nutritional composition, and safety of the food must match the fish's needs.
Types of Live Food for Aquarium Fish
1. Live Mealworms
Mealworms are the larvae of darkling beetles and are commonly used as feeder insects. They contain protein and fat and can be offered occasionally to suitably sized predatory fish, including larger Arowanas and Oscars.
2. Live Superworms
Superworms are larger and thicker than mealworms. They are suitable as occasional treats for larger insect-eating aquarium fish that can safely swallow them. Their fat content makes portion control important.
3. Live Crickets
Crickets provide dietary variety and encourage surface-feeding behaviour in some predatory fish. Use appropriately sized, commercially raised feeder crickets rather than wild-caught insects.
4. Brine Shrimp
Brine shrimp are popular for small aquarium fish and developing fry. Newly hatched brine shrimp are especially useful for many fish fry because they are small and encourage active feeding.
5. Bloodworms
Bloodworms are the larvae of non-biting midges. They are commonly offered live or frozen to fish such as Bettas, Tetras, and Discus as occasional dietary supplements.
6. Daphnia
Daphnia are small freshwater crustaceans suitable for many small aquarium fish. Their movement encourages feeding, and they can provide variety alongside a nutritionally complete staple diet.
What About Dried Insects for Aquarium Fish?
Dried insects are another convenient feeding option, especially for aquarium owners who prefer easy storage and handling. You can learn more in Snakehead Fish Diet & Feeding Guide: What Do Snakehead Fish Eat?
Unlike live insects, dried insects have most of their moisture removed through processing. This makes them easier to store while retaining many of their nutrients, although nutrient levels vary by insect species and drying method.
Common dried insect foods include:
Dried mealworms: Protein- and fat-containing treats for suitably sized insect-eating fish.
Dried superworms: Occasional treats for larger predatory aquarium fish.
Dried crickets: An alternative insect-based food for compatible species.
Dried black soldier fly larvae: An insect-based food containing protein, fat, and calcium, with nutritional values depending on processing.
Some fish readily accept dried insects, while others may need time to recognize them as food. Larger dried insects may need to be broken into smaller pieces or softened before feeding.
Dried insects should complement a balanced diet rather than replace nutritionally complete fish food.
Benefits of Live and Dried Insects for Aquarium Fish
1. Provide Protein and Energy
Many feeder insects contain substantial protein and fat, which can contribute to the nutritional intake of carnivorous and omnivorous fish.
However, insect species differ in their nutrient composition, so feeding only one type may lead to an unbalanced diet.
2. Encourage Natural Feeding Behaviour
Live insects move naturally, encouraging compatible fish to chase, capture, and consume their food.
This can provide behavioural enrichment for predatory species such as Arowanas and Oscars.
3. Add Variety to the Diet
Offering different suitable foods introduces varied textures and nutrients. Fish that regularly consume pellets may also accept occasional live, frozen, or dried foods.
4. Offer Convenient Feeding Options
Dried insects are generally easier to store and portion than live insects. They can be useful for aquarium owners who want occasional insect-based treats without maintaining live feeder cultures.
Which Aquarium Fish Can Eat Live and Dried Insects?
Fish Species | Suitable Live Food | Suitable Dried Insects | Other Diet |
Arowana | Mealworms, superworms, crickets | Dried mealworms, dried superworms | Complete carnivore pellets |
Oscar | Mealworms, crickets, appropriately sized superworms | Dried mealworms, dried crickets | Complete cichlid pellets |
Flowerhorn | Small mealworms, crickets | Small dried mealworm pieces | Complete cichlid pellets |
Betta | Bloodworms, mosquito larvae, daphnia | Species-appropriate small dried insect larvae | Betta pellets |
Guppy | Daphnia, brine shrimp, small insect larvae | Finely sized dried insect-based food | Flakes, micro pellets |
Goldfish | Daphnia, bloodworms | Small dried insect-based treats | Goldfish pellets, vegetables |
Tetra | Daphnia, brine shrimp, small bloodworms | Fine dried insect-based food | Micro pellets, flakes |
Discus | Brine shrimp, appropriately sourced bloodworms | Small insect-based foods if accepted | Complete discus food |
Note: All insect foods should be appropriately sized, safely sourced, and offered as supplements. Individual species and fish sizes have different feeding requirements.
Live Food vs Dried Food vs Pellets: Which Is Better?
Each food type offers different advantages, and no single option is automatically best for every aquarium fish.
Food Type | Main Advantage | Consideration |
Live insects | Encourage natural hunting and feeding behaviour | Require safe sourcing and proper handling |
Dried insects | Convenient storage and portioning | May need softening or size adjustment |
Complete pellets | Formulated for balanced daily nutrition | Must match the fish species |
Frozen foods | Convenient variety of animal-based foods | Require correct storage and thawing |
Plant-based foods | Important for herbivorous and omnivorous species | Must match dietary requirements |
For most aquarium fish, a species-appropriate complete pellet or flake food should form the foundation of the diet, with compatible live, dried, frozen, or plant-based foods added for variety. A related guide is Feeding Roaches to Large Fish: Live Food Benefits and Risks.
How Often Should You Feed Live Food to Aquarium Fish?
There is no single feeding schedule that works for every species.
Most healthy adult community fish can be fed once or twice daily, while some larger predatory fish may eat less frequently. Fry and juveniles often need smaller, more frequent meals.
Live and dried insects can be introduced occasionally as part of these meals rather than added on top of an already sufficient daily ration.
Start with a small amount, observe how your fish respond, and remove uneaten food before it affects water quality.
Common Mistakes to Avoid When Feeding Insects
Even nutritious foods can create problems when fed incorrectly.
Avoid feeding oversized insects, relying exclusively on mealworms or superworms, introducing wild-caught insects that may contain pesticides, or leaving uneaten insects in the aquarium.
Also, avoid assuming that a fish needs more food simply because it swims toward the glass. Many aquarium fish learn to associate people with feeding time.
FAQ's
Can aquarium fish eat dried mealworms?
Yes, some larger insect-eating aquarium fish can eat dried mealworms. Choose appropriately sized pieces and offer them as occasional treats alongside complete food.
Are live insects better than dried insects?
Both have advantages. Live insects encourage hunting behaviour, while dried insects are easier to store. Neither is inherently a complete diet.
Can Arowana fish eat superworms every day?
Superworms are best offered in moderation as part of a varied diet. Feeding them exclusively or excessively may create nutritional imbalances.
Can small aquarium fish eat mealworms?
Whole mealworms are generally too large for small fish such as Guppies and Tetras. These fish are better suited to appropriately sized foods such as daphnia, brine shrimp, and tiny insect larvae.
Can live food make aquarium fish sick?
Improperly sourced live food can introduce pathogens, parasites, or contaminants. Purchase feeder organisms from reputable suppliers and follow appropriate handling practices. Also read: Why do Animals Need Live Foods and Enrichment.
Choosing the right live food for aquarium fish involves understanding your fish's natural diet, size, and nutritional requirements.
Live mealworms, superworms, crickets, brine shrimp, and other suitable organisms can add variety and encourage natural feeding behaviour. Dried insects offer a convenient alternative, while complete pellets, frozen foods, and plant-based foods help provide balanced nutrition.
The goal is not to feed more insects, but to offer the right food in the right quantity.
A balanced diet, consistent feeding routine, and clean aquarium environment are essential for keeping fish healthy and active.
At Promeal, we know how important it is to give your pets a healthy and varied diet. That’s why we create high-quality, natural pet food to keep them happy and healthy. Our speciality is premium live and dried insect-based feeds like mealworms, superworms, crickets, roaches, waxworms, and hornworms. These insects are grown on an organic diet, making them a nutritious and tasty treat for your pets.
Check out our "Shop" section to find the perfect food for your pets!
@FNF Since dried insects can vary in nutritional value depending on the insect species and processing method, how can aquarium owners tell whether a particular dried insect product provides enough nutrients to safely supplement their fish’s regular pellet diet?