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Dinogunelline, the poison of many ichthyotoxic fish. The remainder (R) were u. a. Stearic acid and palmitic acid identified

Dinogunelline is the toxic component of ichthyotoxic fish .


The toxin is found in the roe of many freshwater and brackish water fish that are native to Europe, Asia and America. It also occurs in eel blood and can cause inflammation if it comes into contact with mucous membranes and the symptoms listed below if swallowed.


In Stichaeus grigorjewi ( family of Sawback ), cabezon (family bullheads ) and Fundulus heteroclitus (family of Cyprinodontiformes ) you have identified Dinogunellin as a toxin. It is esterified with fatty acids , e.g. B. with palmitic acid or stearic acid .

Pharmacological effect

Ichthyotoxic poisons have a blood-destructive ( hemolytic ) effect. They locally irritate the mucous membranes . After consumption they solve u. a. Vomiting diarrhea, nausea , abdominal pain, diarrhea , a rapid and irregular pulse, cyanosis , fever, and dizziness .

Immediate gastric emptying and administration of activated charcoal can be used as countermeasures after consumption of ichthyotoxic poisons . There is no specific antidote , therefore the above-mentioned symptoms of poisoning are treated symptomatically.

After a few days, however, victims of poisoning recover.


Gerhard G. Habermehl: Poison - animals and their weapons . Springer Verlag, Berlin; 5. actual and exp. Edition; ISBN 3-540-56897-2 ; Pp. 105-108.