Do Crayfish Eat Snails? All Things You Need to Know

Crayfish are not fish because they are shellfish, another type of crustacea such as lobsters, shrimp, and crabs. There are saltwater and freshwater crayfish.

Freshwater crayfish are called by different names depending on the region, such as crawdad, crawdaddy, and crawfish.

The diet of this species is mainly planted waste that gets into their habitats, such as weeds, tree leaves, grass, small shrimp, algae, fishes, plankton, etc.

So,  do crayfish eat snails? Let’s read to explore right now!

Do Crayfish Eat Snails?

live baby orange crayfish

Crayfish can eat snails

Crayfish love to eat snails without hesitation. Therefore, this species will fulfill its food requirement by eating snails whenever possible.

Crayfish can eat almost anything, so eating snails is uncommon. It tends to consume more plant-based foods, yet it is also willing to have supplement food.

Orb Snail

Orb snails belong to the freshwater snails family, and it is also known as the ramshorn snail. It is a favorite prey of vertebrate predators, such as crayfish.

Ramshorn Snail

red ramshorn snail

The Ramshorn snail belongs to the apple snail family, and it easily spots the differences. This species is known as an excellent tank cleaner.

The ramshorn snail also appears on the crayfish’s prey list. So you must keep this in mind if you intend to keep this snail and your crayfish in the same aquarium.

Trumpet Snail

Crayfish can eat trumpet snails, although this does not usually happen. It is especially true of dwarf crayfish, which can eat everything they catch.

Mystery Snail

Mystery snails can be ideal prey for crayfish. If you are going to keep them together in your aquarium, you should know that it is not a good idea.

Mystery snails are a perfect addition to any aquarium. These tiny snails possess valuable properties for your aquarium, including color, peace, and movement.

Also, mystery snails don’t create as much waste in your aquarium, allowing it to stay clean for longer.

Pond Snail

Crayfish can eat pond snails too. The bigger your crayfish, the easier it is for them to swallow larger pond snails.

The pond Snail is the most typical species of freshwater snail. It is considered both a pest and helpful.

These tiny snails generally do not consume vegetation, unlike their Ramshorn cousins, which can harm pond plants.

Do All Crayfish Consume Snails?

Most crayfish can eat snails. But snails will no longer be threatened if your crayfish have enough food resources.

Dwarf Crayfish

This type of crayfish is typically considered harmless for small creatures. But that doesn’t mean they don’t consume dwarf shrimps or snails.

You can prevent them from eating your snails by feeding them commercial invertebrate food. That way, dwarf crayfish will not threaten your snails, allowing them to live together.

Freshwater Crayfish

A freshwater crayfish’s diet can include both expired and living things. So you can’t keep them with your snails.

Generally, their diet consists of algae, plankton, tadpoles, passed fishes, etc.

Electric Blue Crayfish

Electric blue crayfish usually happily share the space in your aquarium with other mates. But your crayfish can also consider snails as their food source.

CPO Crayfish

CPO crayfish is the perfect choice to add to your aquarium if you want to add some color to it.

But like most crayfish, they’re most likely to eat the snails since snails could be an excellent protein source.


What Do My Crayfish Eat the Most?

Like most lobsters and shrimp, crayfish will eat almost anything. They consume both plants and animals.

Their diet may include small shrimp, fish, worms, insects, water plants, plankton, snails, and more.

What Is the Lifespan of a Crayfish?

blue lobster playing in community aquarium

Crayfish’s lifespan can be 3 to 8 years long

A crayfish will reach its adult size in three to four months, and its life span can be 3 to 8 years long.

It grows old quickly and will mate and begin the process over again, or it will die.

Will Crayfish Eat Guppies?

Crayfish will consume guppies if they can catch guppies.

Hence, you should keep them in an aquarium of at least thirty gallons with fish that are big enough so that your crayfish cannot eat them.

Can I Put Crayfish With Snails?

Like crabs, crayfish are opportunistic. If snails are easily available in your aquarium, your crayfish will take the chance.

However, if other food is abundant, they may not have an appetite for snails.

Will My Crayfish Consume Snail Eggs?

Yes, crayfish will eat snail eggs, keeping down your snail populations.

The snail can become too abundant in your tank if they do not have predators. It’s just about balance in your tank.

How Do My Crayfish Consume Snails?

Crayfish will strike the snail’s shell, then tear the meaty part into smaller chunks before consuming.

Are My Crayfish Aggressive?

Crayfish are known to be highly aggressive and challenging to keep with other mates. More giant snails, such as mystery snails, stand no chance next to crayfish.

Also, dwarf crayfish will try to catch any invertebrates and fish near your tank’s bottom or middle.

What Can I Feed My Crayfish?

Crayfish can consume anything edible they can catch or fit into their mouths. The following list of foods are all common for your crayfish to consume:

  • Sinking pellets
  • Algae wafers
  • Shrimp food
  • Mashed peas
  • Standard fish food
  • Frozen foods
  • Brine shrimp
  • Bloodworms
  • Spinach
  • Zucchini
  • Carrots
  • Decaying plant matter
  • Insects
  • Algae
  • Fish
  • Plankton
  • Snails

In The Nutshell

Do crayfish eat snails? Yes. These animals have the habit of eating almost anything alive or expired. In most cases, they will not mind eating snails.

Therefore, if you don’t want your crayfish to consume snails, we recommend avoiding putting them together.

Otherwise, your crayfish may end up consuming all the snails in the aquarium.

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