Advanced Landscape Systems

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Fish Feeding

The rate at which fish food energy is utilized is called the metabolic rate.  This metabolic rate in fish is influenced by environmental temperature, body size, age, and activity.  When water temperature increases or decreases it impacts the fishes metabolic rate.  This single factor dictates the what kinds of food to be feed your fish as well as when and how much. Food furnishes the fish with heat and energy, provides material for growth and repair of body tissues, and assists in the regulation of body processes.  Feed your fish well and they will be well.

Feeding Chart

**Filtration system must be in good working order for optimum health and happiness. Chart assumes fish are healthy. 

    Chart based on guidelines prepared by the Associated Koi Clubs of America. 

Feeding Tips

• Use a thermometer to check water temperature daily.

• Check water temperature at same time of day for accurate monitoring over time.

• Springtime is the most stressful time of year for fish, feed only when water temperature is above 55°, and then only feed amount fish can eat in five minutes.

• Feed fish an occasional snack of fresh lettuce or celery leaves when feeding regularly.

• Other fresh foods that your fish may enjoy are wheat germ, spinach, orange slices, and watermelon pieces.

• Use automatic feeders when unable to feed at regular intervals.

Seasonal Feeding Tips

• Summer:  water temp above 70 degrees, feed growth, vitality and color enhancement types of fish food.

• Spring and Fall:  water temp between 39 and 50 degrees, feed wheat germ-based, highly digestible fish food

• Winter:  water temp below 39 degrees, stop feeding. 

Koi and Pond Fish Resources

Online resources to help with caring for fish.

Santa Clara Valley Koi And Water Garden Society - Koi fish and water garden club.  New members welcome.

The Associated Koi Clubs of America - Non profit created to promote, the hobby of keeping, breeding, appreciating and exhibiting Koi.