So, is eating barracuda safe? Hot and cold sensation may be reversed. tachycardia (which can be suppressed by adrenergic blockers). efficacy is impossible to determine. Ciguatera. All is well if the taste tester has not imbibed. However, only 24 million valid votes were counted, representing a turnout of just 26%, according to the Independent National Electoral Commission. Ciguatoxin, a lipid soluble substance, opens voltage dependant sodium The only true test is to give someone to someone else first and see if they get poisoned :P, just kidding. A harmless snake the same length would be much more slender and would have a much longer, thinner tail (see below).