Which eels are poisonous?

There is quite a divergence in published books for hobbyists with regard to the toxicity of moray eels. Most interestingly there is also a divergence with regard to the language these books were written in. Searching German books and online sources, one often stumbles upon the following statements, translated here. read more

In summary, moray eels are in fact poisonous in several ways, including when they bite. The exact toxicity of their bites is unknown so far and empirically considered rather low. Secondary infections and massive loss of tissue and blood from the bites of large specimens probably constitute a greater danger. read more

In summary, moray eels are poisonous in several ways. Their bites can be poisonous, although the exact toxicity is so far unknown and considered to be rather low. However, secondary infections following any moray bite, as well as the loss of tissue and blood from large moray bites, both constitute a more probable and potentially more serious health risk. read more

Eel blood is toxic to humans and other mammals, but both cooking and the digestive process destroy the toxic protein. The toxin derived from eel blood serum was used by Charles Robert Richet in his Nobel Prize-winning research which discovered anaphylaxis (by injecting it into dogs and observing the effect). read more