Shrimp feeding guide: How to feed aquarium shrimp for a healthy, thriving tank

Keeping shrimp in a planted aquarium is one of the easiest ways to build a clean, stable, and visually engaging ecosystem. Shrimp graze constantly, remove algae, and help prevent organic waste from accumulating. But even though they’re excellent scavengers, they still need proper feeding to stay healthy, grow well, and reproduce.

In this guide, you’ll learn exactly what to feed shrimp, how often to feed them, and how to avoid overfeeding, which is especially important in aquascapes where excess organics can trigger algae.

Do you even need to feed in a planted shrimp tank?

Shrimp naturally consume biofilm, algae, and microorganisms found on plants, hardscape, and substrate. This grazing helps reduce the organic load in the tank and contributes to the tank’s biological balance.

However, in well-maintained planted tanks, especially high-tech systems with regular water changes, this natural food source may not be enough. Supplemental feeding provides essential minerals, protein, and nutrients needed for:

• healthy coloration
• strong molting
• successful breeding
• juvenile survival
• stable long-term colonies

What aquarium shrimp eat

Shrimp are omnivores, and variety is key to keeping them healthy.

Biofilm

The most important natural food source, especially for babies. It grows on leaves, driftwood, and rocks.

Biofilm can be increased with:

• Indian almond leaves
• natural leaf litter
• powdered shrimp foods

Algae

Amano shrimp are especially effective at eating algae and are often added early to help control algae growth in new tanks.

Cherry shrimp also consume soft algae but in smaller amounts.

Specialized shrimp foods

These are nutrient-rich sinking pellets made for daily or every-other-day feeding.

Includes:

• vegetable-based pellets
• mineral sticks
• balanced wafers

Protein foods

Needed for growth and breeding but should be limited to avoid molting issues. Feed no more than once or twice a week.

Good options:

• shrimp protein sticks
• blanched peas or spinach
• crushed fish flakes

Vegetables

Provide natural fiber and minerals.

Safe blanched vegetables:

• zucchini
• spinach
• kale
• cucumber

Leaf litter

Indian almond leaves, guava leaves, or oak leaves slowly break down, releasing tannins and creating grazing surfaces for weeks.

How often to feed aquarium shrimp

Shrimp need far less food than most people expect. Overfeeding is a common cause of cloudy water and algae blooms because leftover food adds organic waste. In planted tanks, this can quickly throw off the balance and allow algae to gain a foothold.

Use this simple schedule:

• Small colony (10 230 shrimp): feed every 2 3 days
• Medium colony (30 100 shrimp): feed every 1 2 days
• Large colony (100+): feed daily, but very small amounts

If food is still visible after 2 3 hours, you fed too much.

How much food to give shrimp

A quick and easy rule:

• One small pellet per 10 15 shrimp
• A light dusting of powdered food for babies
• One blanched veggie slice the size of your thumbnail
• One or two leaves per 20 40 liters of water

Shrimp stomachs are tiny20 when in doubt, feed less.

Feeding methods that work well

Feeding dish

Keeps food in one spot and prevents it from sinking into the substrate.

Broadcast powder feeding

Tap powdered food over the tank so it settles on surfaces. Perfect for baby shrimp.

Night feeding

If you keep fish, feed shrimp after lights-out so they get more of the food.

Foods to avoid

Avoid anything that can pollute the tank or harm shrimp:

• salted or seasoned vegetables
• bread or processed foods
• daily high-protein fish foods
• raw vegetables (always blanch)

Signs you’re feeding correctly

1. Healthy signs

• bright colors
• steady molting
• active grazing behavior
• baby shrimp surviving and growing
• stable, clear water

2. Signs of overfeeding

• cloudy or hazy water
• leftover food after hours
• exploding snail populations
• algae growth accelerating due to excess organics

If these signs appear, reduce feeding and increase water changes temporarily.

Best foods for popular shrimp types

1. Neocaridina (cherry shrimp)

• plant-based pellets
• powdered baby foods
• soft algae and biofilm
• small protein portions

2. Caridina (crystal, bee, Taiwan bee)

• mineral-rich shrimp pellets
• leaf litter for biofilm
• minimal protein
• fine powdered foods

3. Amano shrimp

• algae wafers
• blanched vegetables
• plant-based pellets
• supplemental food for large groups

Do shrimp clean the tank?

Absolutely. Shrimp help reduce algae, detritus, and leftover food, especially Amano shrimp, which are often used during the early stages of a tank to help control algae growth.
But natural grazing isn’t enough on its own. Supplemental feeding ensures long-term health, improved breeding, and a stable colony.

Simple weekly feeding plan

Here’s an easy rotation for beginners:

• Monday: plant-based pellet
• Wednesday: powdered food for biofilm
• Friday: algae wafer or blanched vegetable
• Sunday: small protein portion

Adjust based on colony size and leftover food.

Final tips for healthy shrimp

• feed small portions consistently
• avoid overfeeding to prevent algae
• maintain stable water conditions
• promote strong plant growth for natural grazing
• use leaf litter for long-term food and biofilm development

A well-fed shrimp colony will reward you with cleaner glass, healthier plants, and a thriving aquascape ecosystem.