Glofish actually need 20 gallons despite what stores are marketing now - they need to live in a shoal of at least 6. It would be best if you could get a bigger tank.
I wouldn't go less than 10 gallons. Glofish are active fish that need plenty of swimming room. A long, shallow tank is better for them than a standard tank.
No, A Seahorse can only live in saltwater and a glofish can only live in freshwater. Seahorses do not do well with other fish anyways.
Glofish actually need more space than people believe. If you are going to have 5, then you need a 20 gallon tank. Because they need to be in a group, you need at least 5 to 6, and they need space for swimming and growingPlease note that Glofish are quite different from Goldfish.
depends, can a ten gallon tank live in a goldfish
No. The tank is far too small to hold more than the Glofish (genetically changed Danio malabaricus) ). A (nominal) 3 gallon tank when it has water to within an inch of the top and a couple of inches of gravel as a substrate will only be holding just over 2 gallons of water. (Glofish) Zebra Danios grow to around 1.5 inches so you will see that the 2 glowfish (Danios) add up to 3 inches by themselves. So they are too much for the tank. The Black skirt Tetra (Gymnocorymbus ternetzi) grows to over 2 inches so it would need an absolute minimum of 3 gallons of water to live in and 10 gallons is the recommended size tank for them.
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Danios or glofish would be a good fish to put in the tank. They are schooling fish which means you would need at least three and I wouldn't put more than 5 in a ten gallon tank.
The fishfood you but from the petstore.
No shark can live in a 3 gallon tank. It would be a nice home for a Betta though!
I'm sorry but no turtle can live in a 2.5 gallon tank. You will need a least a 20 gallon tank and that is even iffy when they grow up I would say get a 30-40 gallon tank for one turtle.
Glofish can live with other peaceful, community fish that are similar in size and water parameter requirements. Some suitable tankmates include tetras, danios, rasboras, and guppies. It's important to avoid aggressive or fin-nipping fish that may harass the glofish.