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Smooth trunkfish facts for kids

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Smooth trunkfish
Lactophrys triqueter.jpg
Smooth Trunkfish
Conservation status
Scientific classification
Genus:
Lactophrys
Species:
triqueter
Synonyms

The smooth trunkfish (also known as Lactophrys triqueter) is a cool type of boxfish. You can find it swimming around coral reefs and sandy areas. It lives in the warm waters of the Caribbean Sea, the Gulf of Mexico, and the western Atlantic Ocean.

What's in a Name?

How Scientists Name Fish

Scientists have special ways to name and group all living things. This is called taxonomy. For the smooth trunkfish, there are two main scientific names: Lactophrys triqueter and Rhinesomus triqueter.

Different Names for the Same Fish

These two names are like nicknames for the same fish. Some groups, like the Encyclopedia of Life, use Lactophrys triqueter. Other groups, such as the World Register of Marine Species, prefer Rhinesomus triqueter. Both names refer to this unique fish.

What Does It Look Like?

Lactophrys triqueter 1
The smooth trunkfish has a unique body shape and pattern.

Its Body and Size

The smooth trunkfish has a really interesting body. It's covered in plate-like scales, almost like armor! Its body is shaped like a triangle when you look at it from the front. It's narrow at the top and wider at the bottom.

This fish can grow up to about 47 centimeters (about 18 inches) long. However, most of them are usually around 20 centimeters (about 8 inches).

Special Features

The smooth trunkfish has a pointy snout and lips that stick out. Its mouth is quite small. Its tail looks a bit like a brush.

The main color of the fish is dark. It has many small white spots all over its body. These spots often form cool hexagonal shapes, making it look like a honeycomb in the middle. The area around its eyes and fins is usually darker with fewer spots. Its fins are often yellowish with dark edges. They are soft and don't have any sharp spines.

Young Trunkfish

Baby smooth trunkfish look a bit different from the adults. They have dark bodies with large yellow spots. As they grow older, they start to develop a lighter area where the honeycomb pattern will appear later.

Where Does It Live?

Ocean Home

The smooth trunkfish lives in the warm waters of the Caribbean Sea, the Gulf of Mexico, and the western Atlantic Ocean. You can find it in places like coral reefs and over sandy areas on the seabed.

Depth and Range

This fish usually lives at depths of up to 50 meters (about 164 feet). Its home range stretches from places like Canada and the Gulf of Maine all the way south to Brazil.

How Does It Live?

Lactophrys triqueter - pone.0010676.g196
The smooth trunkfish uses a jet of water to find food.

Behavior and Habits

The smooth trunkfish usually likes to be by itself. However, sometimes you might see small groups of them swimming together.

What Does It Eat?

This fish has a clever way of finding food! It uses its special lips to shoot a jet of water at the sandy seabed. This water jet stirs up the sand, revealing small creatures that are hidden just beneath the surface.

It loves to eat tiny snails and clams, worms, and small crustaceans like crabs and shrimp. It also munches on sponges and tunicates.

Smooth Trunkfish and Humans

Fishing and Aquariums

In some parts of the world, people catch the smooth trunkfish for food. It's also sometimes kept as a pet in home aquariums.

Important Caution

If you ever see a smooth trunkfish in an aquarium, it's important to know something special about it. When this fish feels scared or stressed, it can release a special substance from its skin. This substance can make the water unsafe for other fish in the tank. Because of this, people who keep them in aquariums need to be very careful.

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