Crystal Red Shrimp: Tank Size, Tank Mates and How Many to Keep

Crystal red shrimp are striped like candy canes. They are fussier than cherry shrimp and need soft, stable water.

Adult size
1.2 in3 cm
Smallest tank
5 gallons19 liters
How many
6 or more
Temperature
68–75 °F20–24 °C
pH
5.8–6.8
Temperament
Peaceful
Swims
On the bottom
Heater needed
In a cool room

What size tank do crystal red shrimp need?

At least 5 gallons (19 liters) for a group of 6. The smallest standard tank that works is the 5 gallon. A bigger tank is always easier to keep stable. Scientific name: Caridina cantonensis.

How many crystal red shrimp in each tank size?

This is how many each standard tank carries comfortably if crystal red shrimp are the only animals in it. Share the tank with other species and the number goes down.

TankHow many crystal red shrimp
5 gallonup to 28
10 gallonup to 50
20 gallon long60 or more
29 gallon60 or more
40 gallon breeder60 or more
55 gallon60 or more
75 gallon60 or more
125 gallon60 or more

Check crystal red shrimp against your own tank and other fish

Good to know

  • Needs soft, slightly acid water: harder to keep than cherry shrimp.
  • Keep at least 6. Crystal red shrimp feel safe in numbers and come out into the open more.
  • Fish over about 2 in (5 cm) eat baby shrimp. Give shrimp moss and dense plants to hide in.

Tank mates for crystal red shrimp

These animals like the same water, are a safe size, and have a temper that fits. It is a match on paper: always watch new tankmates for the first week.

Poor matches

  • Betta: Their temperature ranges barely overlap: Crystal red shrimp likes 68–75 °F (20–24 °C), Betta likes 75–82 °F (24–28 °C).
  • Guppy: These fish do not share a comfortable pH range. Choose fish from similar water.
  • Angelfish: Angelfish (about 6 in) can eat crystal red shrimp (about 1.2 in).
  • Fancy goldfish: Goldfish do best with other fancy goldfish.

Questions and answers

What size tank do crystal red shrimp need?

At least 5 gallons (19 liters) for a group of 6. The smallest standard tank that works is the 5 gallon. A bigger tank is always easier to keep stable.

How many crystal red shrimp should be kept together?

At least 6. Crystal red shrimp are social animals and only behave naturally in a group. More is better if the tank has room.

Can crystal red shrimp live in a 10 gallon tank?

Yes. A 10 gallon tank carries up to about 50 as the only animals in the tank.

What temperature do crystal red shrimp need?

68–75 °F (20–24 °C), with a pH of 5.8–6.8. A heater is only needed if your room gets cold.

Can crystal red shrimp live with a betta?

It is not a good match. Their temperature ranges barely overlap: Crystal red shrimp likes 68–75 °F (20–24 °C), Betta likes 75–82 °F (24–28 °C).

More fish

Adult size, tank size and water ranges follow the mainstream care consensus (Seriously Fish species profiles and FishBase maximum lengths). Where sources differ we use the more cautious figure. Stocking numbers come from our stocking calculator.