Animal Research

Snail and Gastropod Welfare in Research

Snails and gastropods are widely used in neuroscience research with growing evidence of nociceptive capacity raising welfare questions about experimental protocols.

Key Facts

Aplysia sea slugs have large identifiable neurons making them valuable neuroscience models
Studies show gastropods exhibit avoidance learning and sensitisation after tissue damage
The UK ASPA does not cover invertebrates except cephalopods
Evidence for gastropod sentience is debated but growing in the literature
3Rs principles are being applied to gastropod research by some groups voluntarily

Welfare Considerations

Gastropod welfare in research occupies an uncertain regulatory space with growing but incomplete sentience evidence. Precautionary application of 3Rs principles including reduction of numbers used and avoidance of tissue damage is appropriate given developing evidence. Scientific community self-regulation is advancing faster than regulatory change.

What You Can Do

Support researchers applying 3Rs principles to gastropod research voluntarily
Advocate for regulatory review of invertebrate welfare coverage in research legislation
Engage with the scientific debate on gastropod sentience through accessible publications