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Saltwater Fish Compatibility

Compatibility between fish is at the family level. This means that, for example, any species of Clownfish is generally believed to be compatible with any species of Cardinalfish. The table below shows general compatibility between each family of fish.

How to interpret the data:

  • If they're marked as "YES", they will generally coexist without ever significantly causing harm to each other.
  • If they're marked as "CAUTION" it's possible that they'll coexist peacefully, but may tend to nip at each other occasionally.
  • If they're marked as "NO" then one fish will very likely end up killing the other.

Keep in mind that, because these are wild animals, each individual fish may exhibit slightly different behavior. In other words, it's possible that you end up buying a fish that's meaner than normal or nicer than normal.

This data is also available to download as a CSV.

Angelfish - Dwarf Anglerfish Anthias Basslets Blennies Butterflyfish Cardinalfish Chromis Clownfish Dartfish Dottybacks Dragonets Eels Gobies Groupers Grunts Hawkfish Hogfish Lionfish Pipefish Pufferfish Rabbitfish Seahorses Tangs Triggerfish Wrasse
Angelfish - Dwarf Caution Caution Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Caution Yes Caution Yes Yes Yes Caution No Yes Yes No Yes Caution Yes
Anglerfish Caution Caution Caution No No Yes No No No No No No Caution No Caution Yes Caution Caution Yes No Caution Yes No Yes No Yes
Anthias Yes Caution Caution Yes Yes Yes Yes Yes Yes Yes Yes Yes Caution Yes No Yes Yes Yes Caution No Yes Yes No Yes Caution Yes
Basslets Yes No Yes No Caution Yes Yes Yes Yes Caution No Caution No Yes No Yes Yes Caution No No Caution Yes No Yes No Yes
Blennies Yes No Yes Caution Caution Yes Caution Yes Yes Yes Caution Caution No Yes No Caution Yes Caution No No Yes Yes No Yes Caution Yes
Butterflyfish Yes Yes Yes Yes Yes Caution Yes Yes Yes Yes Yes Yes Caution Yes Caution Yes Yes Yes Caution No Yes Yes No Yes Caution Yes
Cardinalfish Yes No Yes Yes Caution Yes Yes Yes Yes Yes Caution Yes No Yes No Yes Yes Caution No No Yes Yes No Caution No Yes
Chromis Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Caution Yes Caution No No Yes Yes No Yes Caution Yes
Clownfish Yes No Yes Yes Yes Yes Yes Yes Caution Yes Yes Yes No Yes No Yes Yes Yes No No Yes Yes No Yes Caution Yes
Dartfish Yes No Yes Caution Yes Yes Yes Yes Yes Caution Caution Yes No Yes No Caution Yes Caution No Caution Caution Yes Caution Yes No Yes
Dottybacks Yes No Yes No Caution Yes Caution Yes Yes Caution No Caution No Yes No Yes Yes Caution No No Caution Yes No Yes No Yes
Dragonets Yes No Yes Caution Caution Yes Yes Yes Yes Yes Caution Caution No Yes No Caution Yes Caution No Yes Yes Caution Yes Yes No Caution
Eels Caution Caution Caution No No Caution No No No No No No Caution No Caution Caution No Caution Caution No Yes Caution No Yes Caution Caution
Gobies Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Caution Yes Caution No Caution Yes Yes Caution Yes No Yes
Groupers Caution Caution No No No Caution No No No No No No Caution No No Caution No Caution Yes No Caution Yes No Yes Caution Caution
Grunts Yes Yes Yes Yes Caution Yes Yes Caution Yes Caution Yes Caution Caution Caution Caution Yes Yes Yes Caution No Yes Yes No Yes No Caution
Hawkfish Yes Caution Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes No Yes Caution Yes No No Yes Yes No Yes Caution Yes
Hogfish Yes Caution Yes Caution Caution Yes Caution Caution Yes Caution Caution Caution Caution Caution Caution Yes Yes Yes Caution No Yes Yes No Yes Caution Yes
Lionfish Caution Yes Caution No No Caution No No No No No No Caution No Yes Caution No Caution Yes No Yes Caution No Caution Caution Caution
Pipefish No No No No No No No No No Caution No Yes No Caution No No No No No Yes No No Yes No No No
Pufferfish Yes Caution Yes Caution Yes Yes Yes Yes Yes Caution Caution Yes Yes Yes Caution Yes Yes Yes Yes No Caution Yes No Yes Caution Yes
Rabbitfish Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Caution Caution Yes Yes Yes Yes Yes Caution No Yes Yes No Yes Caution Yes
Seahorses No No No No No No No No No Caution No Yes No Caution No No No No No Yes No No Yes No No No
Tangs Yes Yes Yes Yes Yes Yes Caution Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Caution No Yes Yes No Caution Caution Caution
Triggerfish Caution No Caution No Caution Caution No Caution Caution No No No Caution No Caution No Caution Caution Caution No Caution Caution No Caution Caution Caution
Wrasse Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Caution Caution Yes Caution Caution Yes Yes Caution No Yes Yes No Caution Caution Caution

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