Are Trout Cannibals? (Read This First)

As with many other fish, trout are cannibalistic and will eat smaller members of their own species. This behavior is most often seen in juvenile trout, which may consume up to 40% of their body weight in other trout each day. While this may seem like a lot, it’s actually not that uncommon for fish to be cannibals. In fact, many fish engage in this behavior to some degree.

Do trout eat other trout?

Yes, trout do eat other trout. This is most commonly seen in smaller trout preying on larger trout, but it can happen with fish of any size. Trout are opportunistic feeders and will take advantage of an easy meal when they can get it. This behaviour is most often seen in areas where there is a high density of fish, such as in hatcheries or crowded lakes.

Do brown trout eat other brown trout?

Yes, brown trout do eat other brown trout. As the fish grows older and increases in size, its diet begins to focus more on other fish, including other brown trout. This is because larger brown trout are better able to catch and eat smaller fish. Brown trout have been known to grow up to four feet long and can weigh up to 30 pounds.

Do trout eat baby trout?

No, trout do not eat baby trout. Trout are actually quite finicky about their food sources and prefer to eat things that are the right size and alive. Young rainbow trout feed mostly on insect larvae and other tiny creatures like that.

What do baby trout fish eat?

The diet of a baby trout fish depends on the stage of its life cycle. In the earliest stage, when they are known as eggs or alevins, trout get their nutrition from the yolk in their egg sacs. Once they hatch and become fry, they begin to feed on small invertebrates like zooplankton. As they grow older and larger, their diet expands to include larger prey items such as insects, crayfish, and other fish.

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Trout are opportunistic feeders, which means that they will eat whatever food is available to them. This can vary depending on the season and location. For example, during the winter months when insect larvae are not as active, trout may instead feed on small crustaceans or mollusks.

Do big trout eat small trout?

No, big trout do not eat small trout. In fact, they are quite intolerant of smaller fish feeding in front of them while they are trying to feed themselves. If you see a pod of rising fish, it is best to target the lead fish since the others will likely be following its lead.


What do big trout eat?

As any experienced fly fisherman knows, big trout love to eat aquatic insects. In fact, the vast majority of their diet consists of these creatures that spend most of their lives underwater in rivers, streams, and stillwaters. Mayfly nymphs, caddisfly larvae, and midge pupae are all favorite foods for trout, and anglers who can match the hatch with the right flies can often enjoy great success on the water.

Of course, trout will also consume terrestrial insects that fall into the water, as well as other fish, crustaceans, leeches, worms, and just about anything else they can get their mouths on. But it’s those aquatic insects that are most important to both trout and fly fishers alike.

Do rainbow trout eat other fish?

Yes, rainbow trout do eat other fish. In fact, they are predators and will consume almost anything they can catch, including smaller fish, insects, and crustaceans. They also have been known to eat the eggs of other rainbow trout, as well as scavenging on leftover carcasses.

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Do big trout eat little trout?

It’s a common misconception that only big trout eat little trout. In fact, small and average size trout also engage in cannibalism. We’ve often caught trout in the 15-inch range with other fish sticking out of their mouths. They will eat all sizes of trout, not just the big browns.

Do rainbow trout eat other trout?

Yes, rainbow trout do eat other trout. This is most commonly seen in small to average-sized trout, who will consume fish that are smaller than them. We have often caught larger trout with smaller fish sticking out of their mouths, proving that they are not choosy about what they eat. Rainbow trout will also consume fish of all sizes, making them a voracious predator in the water.

What do baby trout eat?

Most baby trout eat small aquatic insects. These insects include mayflies, caddisflies, and midges. The size of the insect depends on the age and species of the trout. For example, a younger trout will typically eat smaller insects than an older trout.

Some baby trout may also eat other small fish, such as minnows. However, this is not as common as eating insects. Baby trout usually start to eat small fish when they are around 6-9 months old.

Do trout eat trout eggs?

Yes, trout do eat trout eggs. In fact, they will eat almost anything that they can catch, including insects, small fish, and crustaceans. They will also scavenge on leftover carcasses as well.

Are brown trout cannibals?

Yes, brown trout are cannibals. They will eat their own young if given the opportunity. This is likely due to the fact that trout are opportunistic feeders and will take advantage of any food source they can find. While this behavior may seem barbaric to us, it’s simply a part of nature for these fish.

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Do large trout eat small trout?

Yes, large trout do eat small trout. This is because in the wild, there is a lot of competition for food. In order to survive, the big fish have to eat the smaller ones. While this may seem cruel, it’s just the way nature works.