![]() These tiny fish possess a humble character and can barely hurt a soul. Gumdrop Coral Crouchers ( Caracanthus madagascariensis) are another great, reef-safe option for a 20-gallon tank. Gumdrop Coral Croucher – Caracanthus madagascariensis These tropical fish are highly territorial and can be a bit difficult to deal with when they’re kept in a community.įortunately, their hostility doesn’t extend to corals which makes them excellent for reef setups.Īuthor’s note: To avoid fights within the tank, only house them with other aggressive fish that are similar in size and temperament. ![]() This striking blue and yellow fish is only about 2.7 inches its biggest, but that doesn’t mean it can’t put up a fight. The Yellow Damselfish is another excellent choice for anyone who’s looking to spice up their tank. Yellowtail Damselfish – Chrysiptera parasema For more information on the lifespan of these gorgeous fish, you can check this article. They are easy to care for and don’t require a lot of extra work, so I would definitely recommend them as a must-have for any beginners who are starting a 20-gallon aquarium. This famous marine fish is one of the biggest on the list at 3.5 inches (9 cm) in size.Įven though clownfish have a symbiotic relationship with anemones in nature, they can easily survive by themselves in an aquarium setting.Ĭlownfish are coral friendly, but might occasionally annoy some of them with their consistent presence. It would be hard to find a more popular saltwater fish than the clownfish from the Amphiprion genus. Apart from this, they’re relatively undemanding and have high compatibility with other species which makes them a suitable beginner fish.Īuthor’s note: The red firefish goby is known to jump out of its tank, so include a mesh netting over the top to ensure it doesn’t escape and hurt itself. The firefish goby is docile and will live peacefully in your coral reefs without picking at or disturbing them.Īs a result of their shy nature, they require lots of hiding places and decorations where they can take a break. Red Firefish Goby – Nemateleotris magnificaįirefish Gobies are a great addition for anyone who’s looking for a hardy fish that can thrive in a smaller environment.Īlso known as Nemateleotris magnifica in the scientific community, these tiny fish get to be only 3 inches at their biggest. Here are some interesting saltwater fish ideas for a 20-gallon aquarium: 1. ![]() Quite the contrary, there are plenty of stocking ideas for a 20-gallon tank that put some 55-gallon setups to shame.Ĭurious to see how you can turn the tides in your favor? This however doesn’t mean you can’t create a smaller equally impressive saltwater aquarium. Unfortunately, not everyone can afford to keep a large tank in their living room. ![]()
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