Mysis Shrimp: Natural History and as Fish Food
Page 2 of 3 Pages: 1 . 2 . 3

The following nutritional analysis was generously provided by Piscine Energetics (

Frozen Mysis (% concentration)
- Protein, 10.46
- Crude Fat, 3.29
- Moisture, 82.27
- Ash, 1.65
- Carbohydrates (by subtraction), 2.3

Freeze-Dried Mysis (% concentration)
- Min. Crude Protein, 69.5
- Min. Crude Fat, 8.35
- Max. Crude Fiber, 2.75
- Max. Ash, 5.5

Fatty Acid % Profile of Freeze-Dried Mysis
- C14:0 Myristate 8.47mg/g
- C16:0 Palmitate 24.73mg/g
- C16:1 Palmitoleate 11.59mg/g
- C18:0 Stearate 0.89mg/g
- C18:1 Oleate 17.07mg/g
- C18:2(n-6) Linoleate 7.39 mg/g
- C20.0 Arachidate 0.00mg/g
- C18:3(n-3) Linolenate 7.14 mg/g
- C20:1 Eicosaenoate 0.00mg/g
- C20:3(n-3) Eicosatrienoate 9.87 mg/g
- C20:4(n-6) Eicosatetraenoate 0.00mg/g
- C20:5(n-3) Eicosapentaenoic 17.85mg/g
- C24:0 Nervonate 0.00mg/g
- C22:5(n-6) Docosapentaenoic 0.00mg/g
- C22:5(n-3) Docosapentaenoic 0.00mg/g
- C22:6(n-3) Docosahexaenoic 12.53mg/g

Other Values of nutritional interest
- Energy 84 Cal/100g
- Energy 350 KJoules/100g

In conclusion, though this small freshwater shrimp may have had a questionable affect on native populations of fish where it has been introduced, the resulting success of it in these coldwater lakes has provided and ideal food for hobbyists that require nutritious food for their fish. It contains many fatty acids that are recommended for healthy fish, and has a high percentage of protein. This makes it a very good food for carnivorous freshwater and saltwater fish.

As a post note, the author's personal experience with the use of Mysis relicta as a food for discus, Symphysodon spp. , has been very positive. It is one of the staples that he feeds to his discus. It appears to have a marked effect on energy levels of the fish, increases spawning behavior, and is an excellent growth food.


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