 The depolarisation effect however could not be explained by well-established approaches.Neither does the depolarisation effect take place through Na+ or K+-channels nor through Na+-K+-ATPase activity.⁠
The weever sting is often followed by first ischemic and subsequently hyperemic effects in the tissue surrounding the sting.These effects might be related to the high concentrations of histamines and catecholamines found in the venom.⁠
⁠⁠While Church & Hodgson (2002) suggest a cholinesterase activity of the toxin itself, Haavaldsen & Fonnum (1963) interpreted their finding of a high concentration of cholinesterase in the venom as a sign for a cholinergic mechanism in the production of the venom because cholinesterase activity hasn't yet been described in the venoms of the animal kingdom.⁠ 
As Russel & Emery (1960) stated, the toxin extract of "T. draco" has a greyish colour but is clear in its appearance.