 Its venom is the subject of toxicology research, and while the effects of this spider's bite on humans are not well documented, it is frequently lethal in small doses to laboratory animals such as mice and rats.As a result, "Cyriopagopus hainanus" is generally regarded as a highly venomous species.The venom is a complex neurotoxin, containing numerous compounds capable of blocking neurotransmitters, including neurotoxic peptides called hainantoxins.