4-5" Assorted Koi FishKoi fish, are a stunning addition to outdoor ponds and large aquariums. These hardy fish are suitable for intermediate to advanced keepers who can provide proper water conditions and space. Tank Size Requirements: Koi require a minimum of 1,000 gallons for the first fish, with an additional 250 gallons per additional fish. A well established pond with adequate filtration and aeration is ideal for long term health and growth. Care Level: Intermediate

floating plants

is recommended

no additional heaters or filters are required

they sport an eel like appearance and get the name lungfish from their two human like lungs

Pea Puffer Fish (Carinotetraodon travancoricus)

they are best suited for experienced aquarists with appropriately large systems

If you plan to house them in groups

but move and behave very similarly

black and orange colors

They grow to be about 6 inches long and are known to be peaceful with their tankmates

most fire eels are already weaned onto frozen foods like bloodworms

They do best in species-specific or koi-only environments