different between neurotoxin vs tetrodotoxin

English

neuro- +? toxin

neurotoxin (plural neurotoxins)

(neuroscience, toxicology, pharmacology) A toxin that specifically acts upon neurons, their synapses, or the nervous system in its entirety.

From German Tetrodotoxin, corresponding to Tetrodon (tetra- +? -ode) + toxin.

tetrodotoxin (countable and uncountable, plural tetrodotoxins)

(neurotoxicology) A neurotoxin, originally discovered in Tetraodontiformes, and found in pufferfish, blue-ringed octopus, etc.
- 1985, Wade Davis, The Serpent and the Rainbow, Simon & Schuster, p. 118:
  Both creatures belong to a large pan-tropical order of fish, many of which have tetrodotoxin in their skin, liver, ovaries, and intestines.
- 2017, Mark Carnall, The Guardian, 9 August:
  The blue-ringed octopus Hapalochlaena lunulata has tetrodotoxin, the deadly toxin it also releases in a bite, in their ink but the concentrations and effect in inking are not known.

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