Aquarium Fish Food: Compare Flakes, Pellets and Wafers
Compare flakes, slow-sinking pellets and sinking wafers by nutrition, particle size and where your fish feed. Choose food for each species and life stage, and check that every fish can reach its food. A food format alone does not establish a suitable diet.

Illustrative aquarium scene; food containers do not identify the linked products.
How to Choose the Right Fish Food
Feeding level
Check where each species feeds. Floating and sinking formats deliver food to different levels; the ingredients must also match that species' diet.
Food size
Choose particles each fish can take into its mouth. Check the selected food's size and feeding directions, including any preparation required.
Tank routine
Plan food for every species in the tank. A mixed aquarium may need several suitable foods and targeted feeding; bottom dwellers should not be left to live on leftovers.
Three Aquarium Fish Food Formats to Compare
The linked examples represent three formats. Check the current listing's exact formula and package, then compare it with the nutritional needs of your fish.

Illustrative feeding scene; not a photograph of the linked Xtreme food.
1) Xtreme Community Crave Flakes
Xtreme describes Crave as a blend of krill and spirulina flakes. Check the current package's ingredients and feeding directions against the species in your aquarium.
For fish that feed near the surface, compare the flake size and observe whether every fish receives food. Feeding level does not replace the diet check.
- Krill and spirulina flake format
- Check particle size against each fish
- Follow the selected package's feeding directions
Watch for: Check food access and leftovers. Fish feeding at other levels may need a different suitable format.
Xtreme Community Crave Flakes (Krill & Spirulina) — Check Price on Amazon2) Xtreme Community Peewee Slow-Sinking Pellets
Community Peewee is offered as 1.5 mm slow-sinking pellets. Check the current variant, particle size, ingredients and feeding directions before buying.
Observe which fish take the pellets as they descend. Match the formula to their diet and adjust the feeding plan if other fish cannot access it.
- 1.5 mm pellets; verify the selected package
- Slow-sinking format
- Check that each fish can take the particles
Watch for: A pellet's size, sinking behavior and nutrition all need to fit the fish; a small pellet is not suitable for every species.
Xtreme Community Peewee Slow-Sinking Pellets — Check Price on Amazon
Illustrative feeding scene; not a photograph of the linked Xtreme food.

Illustrative aquarium scene; not a photograph of the linked Xtreme wafers.
3) Xtreme Scrapers Wafers
Xtreme describes Scrapers as algae-based plant-protein wafers, originally formulated for nocturnal fish such as plecos and catfish. Check the formula against your exact species' dietary needs.
Target food to the intended fish and observe access. Some species need different foods or a different feeding time.
- Sinking wafer format
- Check species-specific nutrition
- Observe targeted feeding rather than relying on leftovers
Watch for: Follow the package's portion and cleanup directions. Remove uneaten food and check that other fish do not prevent the intended fish from eating.
Xtreme Scrapers Wafers (Fast-Sinking) — Check Price on AmazonComparison Table
This quick chart helps narrow down which food style makes the most sense for your tank.
| Food Type | Diet / access check | Feeding Level | Format detail | Watch For | Compare Options |
|---|---|---|---|---|---|
| Tropical Flakes | Match the formula to each species | Top to mid-water | Flake particles | Can create waste if overfed | Xtreme Community Crave Flakes (Krill & Spirulina) — Check Price on Amazon |
| Small Pellets | Check particle size and food access | Mid-water | Slow-sinking pellets | Wrong size can be ignored | Xtreme Community Peewee Slow-Sinking Pellets — Check Price on Amazon |
| Sinking Wafers | Check species diet and targeted feeding | Bottom | Reaches lower tank levels | Remove leftovers promptly | Xtreme Scrapers Wafers (Fast-Sinking) — Check Price on Amazon |
Aquarium Fish Food FAQ
Is flake food or pellet food better?
Neither format is best for every fish. Compare nutrition, particle size, floating or sinking behavior, and the selected package's directions for your species.
Do bottom feeders need separate food?
Bottom-dwelling fish need suitable food they can access, rather than leftovers alone. Choose a species-appropriate formula and observe targeted feeding.
How much should I feed aquarium fish?
Follow the selected food's directions and a feeding plan for the species and life stage. Observe who eats, avoid overfeeding, and remove uneaten food.
More Guides
More aquarium guides to help build a cleaner, easier tank setup.
Final Take
Choose nutrition for every species first, then compare particle size and feeding level. Check the exact product directions and observe food access; a mixed aquarium may need more than one suitable food.
Xtreme Community Crave Flakes (Krill & Spirulina) — Check Price on Amazon Back to Top