Will koi eat dead fish?

Although koi are gentle fish, they’re still opportunistic feeders, and won’t hesitate to swallow much smaller fish. However, they are opportunistic omnivores, and are known to eat smaller fish species as well as fry if they have the opportunity. In fact, they’ll even eat their own fry!

Are koi cannibalistic?

NOTE: Koi are NOT carnivorous but they an are opportunistic feeders better know as omnivores. If you watch them for a few hours, you may see that they pick nearly everything up in the pond with their mouth, to test and see if it is edible. If they like the flavor or consistency, they swallow it.

Do koi fish float when they die?

Most fish are slightly denser than water, so sink immediately after death. However, like a drowned human, they become more buoyant over time as bacterial decomposition produces gases inside the body. Usually, enough gas builds up in body cavities to make the corpse float, like an inflated balloon.

What fish can go with koi?

List of the Best Koi Pond Mates

• 1) Goldfish (Carassius auratus)
• 2) Grass carp (Ctenopharyngodon idella)
• 3) Suckermouth catfish (Hypostomus plecostomus)
• 4) Redear sunfish (Lepomis microlophus)
• 5) Largemouth bass (Micropterus salmoides)
• 6) Chinese high-fin banded shark (Myxocyprinus asiaticus)
• 7) Orfe (Leuciscus idus)

Do big koi eat small koi?

For more information, read our article on wintering Koi. Will big Koi eat smaller Koi? Koi are omnivorous and they may eat Koi fry or eggs, but they will leave smaller fish alone.

Why do koi died suddenly?

Poor Water Quality– The number one cause of koi death is poor water quality. The quality of the water your fish live in will ultimately determine how long the fish will live. Proper filtration, regular testing and maintaining proper numbers of fish in the pond all figure into the equation.