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Spiny lobster

life science Maturity 5-7

The spiny lobster lives in the sea.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
It has very long feelers. It does not have big claws. These animals hide in rocks. They like to stay in groups. Do you like the ocean?
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg

45 words

The spiny lobster lives in warm seas.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
It has very long, thick feelers. These feelers help them stay together. They do not have big claws.
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
They hide in cracks in rocks and coral. At night, they come out to eat. They like to eat small crabs and snails. Sometimes, they swim in long lines. These lines can have fifty lobsters in them. It is fun to see them move!

80 words

Spiny lobsters live in warm seas around the world.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
You can find them in the Caribbean and the Mediterranean Sea. In places like Australia, people call them crayfish.

These animals look like true lobsters. They both have hard shells. But they are not close relatives. Spiny lobsters have very long, thick antennae. These are feelers used to sense the water. They also lack large claws on their walking legs.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg

Spiny lobsters are very social. They often stay in groups. They use their long antennae to touch each other. This helps them stay together. They can even move in long lines. These lines can have more than 50 lobsters.

To stay safe, they make a loud sound. They rub a part of their antennae against their shell. This creates a rasping noise to scare away predators. This way of making sound is unique in the animal kingdom. It works even after they shed their old shell.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
They also use the Earth's magnetic field to find their way.

186 words

Spiny lobsters are fascinating marine animals found in warm seas.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
You can find them in the Caribbean and the Mediterranean Sea. Many people call them langustas or rock lobsters. In places like Australia and New Zealand, they are called crayfish. They belong to a group of animals called decapod crustaceans. These creatures live in crevices within rocks and coral reefs.
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
They usually come out at night to find food. They like to eat snails, clams, crabs, and sea urchins.

These animals have a very special way of moving and sensing the world. Spiny lobsters use their long antennae to stay in contact with each other. This helps them stay together in social groups. Sometimes, they move in huge lines across the sea floor. These lines can be more than 50 lobsters long. They navigate the ocean using smell and taste. They can even detect the Earth's magnetic field to find their way.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
This helps them travel through the vast, dark ocean.

To protect themselves, spiny lobsters have a unique way of making noise. They have a special part on their antennae called a plectrum. They rub this against a smooth part of their shell called a file. This creates a loud, rasping sound to scare away predators. This method of making sound is unique in the animal kingdom. It works even after they molt, which is when they shed their old shell. Most other animals must wait for a new shell to make sounds. This keeps them safe even when they are most vulnerable.

Scientists have studied these creatures for a long time. A fossil of a spiny lobster was found in 1995. This fossil was discovered near El Espiñal in Chiapas, Mexico. It is 110 million years old. Researchers from the National Autonomous University of Mexico named it Palinurus palaecosi. This ancient lobster is closely related to species living near Africa today. There are about 60 living species in 12 different genera.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
Many of these names, like Palinurus, come from ancient history.

Spiny lobsters are quite different from the true lobsters you might see in a restaurant. True lobsters have large claws on their legs, but spiny lobsters do not. Instead, spiny lobsters have very long, thick, and spiny antennae. Their meat is often described as having a sweet and delicate flavor. Many people enjoy eating them in Asian styles like sashimi. In the Bahamas, they are a very important food export. They are a big part of the local economy.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Learning about them helps us understand the ocean better.

452 words

Spiny lobsters are marine decapod crustaceans belonging to the family Palinuridae. They are often called langustas, langoustes, or rock lobsters. In regions like Australia, New Zealand, Ireland, South Africa, and the Bahamas, they are also known as crayfish or sea crayfish.

Jasus edwardsii.jpg
Jasus edwardsii.jpg
These animals are biologically distinct from true lobsters. While they share a similar shape and a hard exoskeleton, they belong to different groups. Spiny lobsters are part of the clade Reptantia. They are closely related to slipper lobsters, which belong to the family Scyllaridae. Together, these families form a group called Achelata.
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg

You can tell a spiny lobster apart from a true lobster by looking at its body parts. Spiny lobsters have very long, thick, and spiny antennae. They lack chelae, which are claws, on their first four pairs of walking legs. However, most female species have a small claw on their fifth pair. True lobsters have much smaller antennae and large claws on their first three pairs of legs. The spiny lobster's carapace, or hard shell, is slightly compressed and lacks lateral ridges. Their antennae also lack a scaphocerite, which is a flattened part of the antenna. Instead, the flagellum at the top of the antenna is stout, tapering, and very long.

There are 12 recognized genera of spiny lobsters, containing about 60 living species. These include genera such as Palinurus, Panulirus, and Linuparus. The name Palinurus comes from the Italian port of Palinuro. This town was known for harvesting the European spiny lobster during ancient Roman times. The town itself was named after Palinurus, a legendary helmsman in Virgil's epic poem, the Æneid. Scientists have identified many specific genera over time. For example, Jasus was named by Parker in 1883, and Panulirus was named by White in 1847.

Jasus edwardsii.jpg
Jasus edwardsii.jpg

The history of these creatures extends far back into the fossil record. In 1995, workers from the National Autonomous University of Mexico discovered a fossil near El Espiñal in Chiapas, Mexico. This fossil, named Palinurus palaecosi, is 110 million years old. It is considered very close to members of the genus Palinurus that live near Africa today. This discovery helps scientists understand how these marine animals have changed over millions of years. It shows that the lineage of spiny lobsters is quite ancient.

Spiny lobsters live in almost all warm seas, including the Mediterranean and the Caribbean. They are especially common in Australasia and South Africa. They typically hide in the crevices of rocks and coral reefs. At night, they venture out to eat snails, clams, crabs, and sea urchins.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
They are very social animals and often move in massive groups. These migrations can form long files across the sea floor that are more than 50 lobsters long. To stay together, they use their long antennae to maintain physical contact. They navigate using smell, taste, and even the Earth's magnetic field.

One of the most amazing things about spiny lobsters is how they make sound. They possess a unique acoustic mechanism to scare away predators. They rub a part of their antennae called a plectrum against a smooth part of the exoskeleton called a file. This creates a loud, rasping sound through frictional vibrations. This process is similar to rubber sliding against a hard surface. This method is unique in the animal kingdom because it does not rely on a hard shell. This means they can still make noise even after a moult, when their new shell is soft and they are vulnerable.

Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg

Spiny lobsters are also a major part of the global economy as a food source. In the Bahamas, they are the largest food export. Their meat has a different profile than true lobsters. Spiny lobster meat is often described as sweet, delicate, and low in fat. It is frequently used in Asian cuisine, such as in sashimi or light steaming. In contrast, Maine lobsters are known for a richer, more robust taste and a firmer texture. Because spiny lobsters lack large claws, they offer a different culinary experience than the buttery meat found in true lobsters.

701 words
🖼️ Images & Media (2)
File:Jasus edwardsii.jpg
Jasus edwardsii.jpg
File:Pesca de Langosta con Nasa en Los Roques, Venezuela.jpg
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