hoice. They look amazing and with yellow head and purple, blue and orange bodies they are a real pleasure to watch at your aquarium. We like them the most due to care level, which is low. The temperament is peaceful, so they can be kept with many other species. Dont forget that they are a carnivore.
2.Neon Blue Goby
Here we have one of more appealing fish for your tank. It will grow up to 2 inches and it will stay like that. The colors include blue and black and paired with a white aquarium floor, they will actually look amazing. The temperament is peaceful, despite the fact they are carnivores. You will consider them for all tanks with 10-gallon capacity or less. In addition, they are easy to keep as well.
3.Hector’s Goby
Hector’s Goby is similar fish to the previous one we mentioned. It is truly amazing when it comes to the look it creates on the general appearance of the tank. However, they are more complicated to keep and they are an omnivore. The size is small as well, but they can reach 3 inches. The colors are black and yellow, so this is really extraordinary fish.
4.Fowleria Cardinalfish
Orange and red are the colors this fish offers. It will grow up to 3.5 inches and it can be kept really easy. Don't forget that despite the fact it is a nano-fish, it requires a 30-gallon tank. Other than that keeping it is really beneficial due to the fact it is compatible with most, popular fish.
5.Black-Lined Blenny
Black-Lined Blenny is another omnivore fish that can make your aquarium a lot better. It is slightly more demanding in the terms of keeping, but it is still a great choice. Yellow, black and blue colors are the most common you will get, and they are easy to pair with all other fish.
6.Swissguard Basslet
If you live in Switzerland, this is the fish to keep in your tank. It requires a 10-gallon tank, but it isn't compatible with many other fish species. It is aggressive, so keep it with care. The max size is 3 inches.
The final thought
All of the fish here is chosen according to the looks it will have in your tank and on the simplicity when it comes to caring for them.