How many saltwater fish can be in a 30 gallon tank?

While many variables affect that answer, a general rule is to stock no more than ½ an inch of fully grown fish per gallon of water in your aquarium. For example, if you have a 30-gallon aquarium, ideally stock no more than 15 total inches of fully grown fish.

How many fish can I put in a 30 gallon saltwater tank?

This means a 30-gallon tank could hold 6 to 15 1-inch fish, or 2 to 4 3-inch fish. However, when a fish gets larger than 3 inches, this guideline rapidly breaks down, since 10 1-inch fish are smaller than one 10-inch fish.

What saltwater fish can live in a 30 gallon tank?

Best Saltwater Fish for 30 Gallon Tank

  • Flame Angelfish.
  • Royal Dottyback.
  • Pajama Cardinal.
  • Striped Blenny.
  • Purple Firefish Goby.
  • Firefish Goby.
  • Blue Spotted Jawfish.
  • Green Mandarin Dragonet.
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How many saltwater fish can I put in a 32 gallon tank?

You can definitely get away with 4 fish in a 32, maybe even 5!

Can I have a 30 gallon saltwater tank?

Dozens of fish would work well in a 30-gallon tank but not all of them will work perfectly with one another. There are a few things to consider for proper care such as their temperament, diet, and their preferred habitat to consider before you start trying to acclimate fish to your marine aquarium.

How many goldfish can I put in a 30 gallon tank?

Two full grown fancy goldfish can live in a 30-gallon fish tank, whereas just one common goldfish will fit in this size aquarium.

How many clownfish can I put in a 30 gallon tank?

To summarize, only keep 1 or 2 clownfish per aquarium. If you already have a clownfish and would like another one, make sure that you add a smaller clownfish of the same species.

Can I put a blue tang in a 30 gallon?

Let your tank stay fallow for a couple of months, then slowly add appropriate fish species that when grown, can live comfortably in a 30 gallon tank. Tangs, depending on which kind, need anywhere from 90g to 225g just to survive. A 30g tank is in no way adequate for them.

What are the best fish for a 30 gallon tank?

What Fish Can You Keep in a 30 Gallon Tank?

  • Cichlids (Dwarf, South African and South American)
  • Tetras.
  • Catfish species (Corys, Plecos and Otos)
  • Rainbowfish.
  • Guppies.
  • Gouramis.
  • Rasboras.
  • Mollies.


What cichlids can live in a 30 gallon tank?

The small electric yellow cichlids (3 inches) will be happy in a 30 gallon tank, whereas the larger blue cichlids (8 inches) are better off in a 50 gallon tank.

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Should I add coral or fish first?

For corals vs. fish, it comes down to which is more sensitive. Do the hardiest first, then slowly add the more sensitive animals over a couple months (being wary of adding any overly aggressive fish early). So for example, if you want a mandarin and mushrooms, go with the mushrooms first.

How many tetras can I put in a 30 gallon tank?

In a 30 gallon, you could keep up to 15 Neon tetras. So you’re good to go. They are schooling fish that are very active, typically swimming horizontally.

What saltwater fish can live in a 20 gallon tank?

7 Best Saltwater Fish For A 20 gallon Tank

  • Pajama Cardinal.
  • Watchman Goby.
  • Bangaii Cardinal.
  • Clownfish.
  • Royal Gramma Basslet.
  • Yellowtail Damsel.
  • Purple Firefish.

How much does it cost to set up a 30-gallon saltwater tank?

The costs for setting up a habitat vary based on your tank size, the type of fish you want, and the overall appearance of your saltwater aquarium. Not including materials, the setup fee cost can range between $300 and $500 on average.

What saltwater fish can live in a 40 gallon tank?

6 Best Saltwater Fish For A 40 Gallon Breeder

  • Tomato Clownfish.
  • Bangaii Cardinalfish.
  • Cherub (Pygmy) Angelfish.
  • Six Line wrasse.
  • Carpenter’s Flasher wrasse.
  • Flame Hawkfish.

What size tank does a clownfish need?

An Ocellaris Clownfish, which Nemo most closely resembles, requires an aquarium of at least 20 gallons, not to mention adequate filtration, pumps, water supplements, reef structure (live rock and sand), and required diets by species.

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