Spirulina in Fish Food
A nutrient-dense blue-green algae used for pigmentation and supplemental protein.
Found in 19 foods in the AquaIndex database.
What Is Spirulina?
Spirulina is a type of cyanobacteria cultivated for use as a nutritional supplement. It is commonly included in fish foods to enhance coloration and provide plant-based protein.
It is particularly popular in diets formulated for herbivorous and omnivorous species.
Why Is It Used in Fish Food?
- • - Natural colour enhancement
- • - Supplemental plant protein
- • - Antioxidant properties
Nutritional & Functional Role
Spirulina contains roughly 55–70% protein and is rich in pigments such as beta-carotene and phycocyanin.
Fish foods containing this ingredient
View ranked fish foods that contain spirulina.
View foods with Spirulina →Is Spirulina Good or Bad?
Generally considered beneficial when used in balanced formulations.
Appropriateness depends on species requirements and total diet context.
Benefits
- • - Supports vibrant coloration
- • - Easily digestible
- • - Suitable for herbivorous fish
Risks and concerns
- • - Not a complete replacement for animal protein
- • - Typically included in small percentages
Best Fish Foods Containing Spirulina
Highest scoring: Hikari Micro Pellets (100)
| Food | Score | Nutrition | Ingredients | Suitability |
|---|---|---|---|---|
| Hikari Micro Pellets | 100Elite | 40 | 40 | 20 |
| Hikari Micro Wafers | 100Elite | 40 | 40 | 20 |
| FishScience Worm Pellets | 97Excellent | 40 | 37 | 20 |
| Ultra Fresh Apex Guppy | 97Excellent | 40 | 37 | 20 |
| FishScience Micro Granules | 94Very good | 40 | 34 | 20 |
| FishScience Tropical Flakes | 90Good | 40 | 34 | 20 |
| FishScience Tropical Granules | 90Good | 40 | 34 | 20 |
| King British Tropical Flakes | 90Good | 40 | 32 | 20 |
| NT Labs Probiotic Granules | 89Good | 37 | 34 | 18 |
| Forest Aquatics Tropical Fish Granules | 88Decent | 40 | 40 | 20 |
| Ultra Fresh Tropical Excellent Bits | 87Decent | 27 | 40 | 20 |
| Aquarian Sinking Pellets | 85Decent | 31 | 34 | 20 |
| FishScience Vegetable Flakes | 82Okay | 28 | 34 | 20 |
| Hikari First Bites | 80Okay | 26 | 40 | 14 |
| Ultra Fresh Betta Pro Shrimp Patties | 80Okay | 26 | 40 | 14 |
| Ultra Fresh Royal Guppy Mignon Pellet | 80Okay | 26 | 40 | 14 |
| Ultra Fresh Tropical Micro Pellet | 80Okay | 26 | 40 | 14 |
| Pet Friends Tropical Flakes | 78Okay | 26 | 32 | 20 |
| Aquarian Algae Wafer | 69Poor | 15 | 34 | 20 |
Frequently Asked Questions
Is Spirulina good for fish?
Generally considered beneficial when used in balanced formulations. A nutrient-dense blue-green algae used for pigmentation and supplemental protein.
Why is Spirulina included in fish food?
- Natural colour enhancement. - Supplemental plant protein
Is Spirulina natural?
Naturalness depends on source material and processing method. A nutrient-dense blue-green algae used for pigmentation and supplemental protein.
Is Spirulina better than fish meal?
Spirulina can perform well in specific formulas, but suitability depends on species, digestibility, and inclusion rate. Fish meal remains a common benchmark protein source.