Exempel på pufferfish

• Species studied include vertebrates with no evidence of imprinting, such as chicken and pufferfish, as well as a number of mammalian species including human, mouse, chimp and dog.

• It is also present in the bodies of animals such as pufferfish, where it is responsible for the production of the potent neurotoxin, tetrodotoxin.

• Filefish are closely related to the triggerfish, pufferfish and trunkfish.

• In life, it would have resembled a paunchy triggerfish or a pufferfish with an elongated, downturned face.

• Body shape and the arrangement of the fins is highly variable, covering such seemingly un-fishlike forms as seahorses, pufferfish, anglerfish, and gulpers.

• In spite of its small size, this fish is known to make unprovoked attacks on humans, the inspiration for the common name ferocious pufferfish.

• The pufferfish itself is not susceptible to the poison because of a mutation in the protein sequence of its cells' sodium channel.

• Some forms of sushi, notably those containing pufferfish fugu and some kinds of shellfish, can cause severe poisoning if not prepared properly.

• It is the same toxin found in pufferfish and a number of other marine animals.

• Previously, it was unknown how pufferfish inflation took place.

• The previous year, four people in the same town died and five others fell ill after eating the same variety of pufferfish.

• Bearded pufferfish are molluscivores and therefore typically feed on crustaceans, molluscs and echinoderms.

• In direct combat, however, he can increase his size and strength when challenged to fight, much like a pufferfish.

• Maximum size is 22 mm (less than one inch), making it one of the smallest pufferfish in the world.

• First, the pufferfish fills its mouth with water.