How to Know Which Fish to Put Together in a Tank

Beginner 20 min 15 steps 11754 views Rating: 4.7/5 Published: 2026-01-23

Allow for plenty of space.. Go with either cold water or warm water fish.. Choose fish with similar pH level requirements.

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Steps

1

Allow for plenty of space.

Step 1

Allow for plenty of space.

2

Go with either cold water or warm water fish.

Step 2

Go with either cold water or warm water fish.

3

Choose fish with similar pH level requirements.

Step 3

Choose fish with similar pH level requirements.

4

Go with either freshwater or saltwater fish.

Step 4

Go with either freshwater or saltwater fish.

5

Provide plenty of hiding spots.

Step 5

Provide plenty of hiding spots.

6

Select colorful, active fish for an eye-catching tank.

Step 6

Select colorful, active fish for an eye-catching tank.

7

Take your experience level into account.

Step 7

Take your experience level into account.

8

Choose fish with similar eating patterns.

Step 8

Choose fish with similar eating patterns.

9

Stock your tank with similar size fish.

Step 9

Stock your tank with similar size fish.

10

Choose fish with similar paces of movement.

Step 10

Choose fish with similar paces of movement.

11

Get a school of fish.

Step 11

Get a school of fish.

12

Buy fish that are not predatory based on sex.

Step 12

Buy fish that are not predatory based on sex.

13

Look out for signs of fish stress.

Step 13

Look out for signs of fish stress.

14

Pay particular attention during fish spawning periods.

Step 14

Pay particular attention during fish spawning periods.

15

Recognize the unique challenges presented by "bully" species.

Step 15

Recognize the unique challenges presented by "bully" species.

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