Venomous fish

As poison fish fish are referred to produce toxins or accumulate. Venomous fish are found both among the cartilaginous fishes and among teleosts. The number of poisonous fish species is estimated to be 1200, which is considerably more than the venomous snake species.

We distinguish between active and passive poisonous fish poisonous fish.

• The active toxic fish use the toxins produced by them to ward off enemies or food assistance. The poison can be actively transmitted through teeth or spines. Active toxic cartilaginous fish found in the chimaeras ( Chimaeriformes ), the head of a bull sharks ( Heterodontus ) and the stingray -like ( Myliobatiformes ). In the genuine bony fish ( Teleostei ) species of frog fish have ( Batrachoididae ), the types of scorpionfish ( Scorpaenidae ), St Peter males ( Trachinidae ) stargazers ( Uranoscopidae ) and the rabbit fish ( Siganidae ) about venomous spines that saber-toothed blennies ( Nemophini ) have fangs.

• Passive poisonous fish produce toxins in certain organs or enrich those produced by other organisms toxins through the food chain in their body to. When consumed, these substances can lead to fish poisoning. Among the passive poisonous fish include Soapfish ( Grammistini ), puffer fish ( Tetraodontidae ), porcupine fish ( diodontidae ) and pufferfish ( Ostraciidae ).

In the literature there are also the designations poison fish for fish that have a venom apparatus for the production or incorporation of poisons and poisonous fish, whose consumption may be harmful.