Generally, they can change their color in response to the environment.On the other hand, the dwarf puffer fish is difficult to spot as it rarely reaches one inch. Stellate puffer fish is considered the largest of its kind, reaching four feet in length.Some puffer fish, like the spotted green puffer, pignose puffer and bronze puffer can survive in large home aquariums but cannot be housed with other fish due to their aggressive behavior.In a different purpose, masked puffer fish males used their nests made of sperm for hiding from predators.Male white-spotted puffer fish are known for making nests in the sand to attract females.However, if in severe cases where respiratory muscles get paralyzed, it can be fatal. If a patient survives puffer fish poisoning with 24 hours, recovery is still possible.A person should immediately seek medical attention after initial symptoms appear.It may progress to paralysis, loss of consciousness, respiratory failure and can cause death.Moreover, limbs start feeling weak followed by difficulty in breathing. In addition, excessive salivation, nausea, abdominal pain and vomiting follows. A person begins to feel numbness and tingling around the mouth. Generally, symptoms of puffer fish poisoning occur 10 to 45 minutes after ingestion.Between 1996 to 2006, there were 44 recorded incidents of fugu poisoning in Japan. Fugu chefs are trained for three years before preparing puffer fish sashimi.

As of today, there is no known antidote for such toxin. It works by paralyzing the diaphragm, causing respiratory failure.

The tetrodotoxin present in puffer fish is also present in triggerfish and blue-ringed octopus.

In addition, the brighter colors of puffer fish is associated with the amount of toxin produced.

Experts believed that puffers developed such a unique ability because they are generally poor swimmers that cannot escape predators.

They can eat as many as they want without negative consequences.

The only species immune to puffer fish toxins are sharks.

Fugu is a Japanese delicacy made of puffer fish meat and only served by specially trained chefs.

While a single puffer fish can kill 30 adult humans, Japanese people have a very expensive delicacy made of puffer fish.

In order to enlarge their body in a second, puffer fish ingest large amounts of water, turning them into ball-like creatures that a predator may find scary or too large to swallow.

Almost all species of puffer fish contain tetrodotoxin, which can be 1,200 times stronger than cyanide.

Its body is covered with poisonous spikes, which are highly toxic to both animals and humans.

The main feature of puffer fish is its ability to enlarge its body when threatened.

Male puffer fish spend seven to nine days creating underwater crop circles in the sand consisting of intricate patterns to attract females.

A week later, the egg hatches and a young puffer fish swims towards the reef. Young puffer fish are protected by a hard eggshell while they float on the surface of the water. Male puffer fish guide females near to the shore where three to seven eggs are laid.

At the age of five, puffer fish reach maturity and are ready to reproduce.They have four teeth fused like a beak used to open shellfish, clams and mussels.Its stomach area is the most elastic part of the body. Unlike common fish with scales, puffer fish have thick and rough skin.They mostly live in the warm waters of the Indian, Pacific and Atlantic Oceans, while some species can be found in freshwater.Some find it hard to identify them when theyРІР‚в„ўre not inflated. Puffer fish can be found in a variety of colors including grey, yellow, blue, white and brown.Key Facts & Information Puffer Fish Anatomy and Habitat See the fact file below for more information on the Puffer Fish or alternatively, you can download our 26-page Puffer Fish worksheet pack to utilise within the classroom or home environment. The puffer fish, also known as blown fish or toadfish, is a unique species of fish popular for its inflatable body and sharp poisonous spikes as a defense mechanism. Download the Puffer Fish Facts & Worksheets.

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