A 55-gallon aquarium would best house only about 12 inches of fish, so to be safe, limit it to holding three 4-inch fish or two 6-inch long fish. What do you need for a 55 gallon saltwater tank? 55-gallon glass aquarium. 110-gallon hanging filter (bio-wheel preferred) Gravel, sand or crushed coral. Protein skimmer (optional) Instant … Read more
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 saltwater fish can you … Read more
How many fish can I put in a 55 gallon reef tank ? A 55-gallon aquarium would best house only about 12 inches of fish, so to be safe, limit it to holding three 4-inch fish or two 6-inch long fish. What is needed for a 55 gallon saltwater tank ? 55-gallon glass aquarium. 110-gallon … Read more