Can spitting cobras be considered both poisonous and venomous?

No, spitting cobra is only venomous. Poisonous is usually referring to animals that have toxic substance in their skin or flesh that can harm their predators when consumed. List of poisonous animals - Wikipedia. read more

The"Venomous AND Poisonous Animal" photo below illustrates an example from one of the species of Garter Snakes (Thamnophis sirtalis) known to be poisonous (tetrodotoxin) and venomous (although Garter Snake venom is not dangerous to humans), while also pointing out where the poison glands (containing bufotoxins/bufadienolides) of the Garter Snake cousin, the Tiger Keelback Snake, are located (on the dorsum of the neck, behind the head). read more

A spitting cobra is any of several species of cobras that can project venom from their fangs when defending themselves. read more

This doesn't mean that Spitting Cobras can be considered"poisonous," though, since they can still be safely consumed. However, certain species (and populations) of Garter Snakes (Genus Thamnophis, species sirtalis, couchii, and atratus) and one of their cousins (Tiger Keelback Snake, Rhabdophis tigrinus) are both venomous AND poisonous. read more

When cornered, some species"spit" their venom as far as 2 m (6.6 ft). While spitting typically is their primary form of defense, all spitting cobras also can deliver venom by biting. Most spitting cobras' venoms are significantly cytotoxic, apart from the neurotoxic and cardiotoxic effects typical of other cobra species. read more

The evaluation of the traces of venom on the photos and the visor revealed how accurate the both species' aim is: The black-necked spitting cobras hit at least one eye eight out of ten times. The Mozambique cobras hit their target every time. read more