Hi Paul, We are going through the process of establishing procedures to deal with animal ethics issues for MAFRI's fisheries research, so I'm interested in the answer to your question too!
I would have thought (perhaps hopefully) that as larvae do not have well developed nervous systems, they won't have pain receptors and that therefore questions about "humane" killing are not relevant.
I suspect it's another example of mammal-based guidelines being innapropriately applied to fish. (There aren't many broadcast spawning mammals around against which these sorts of guidelines get tested.)
NSW has a draft document on animal ethics and fish - "A Guide to acceptable Procedures and Practices for Fish and Fisheries Research". It's the most comprehensive I've seen after canvassing all State agencies and CSIRO for their approaches to the issues. I can't put my hands on my copy at the moment but I don't think it makes any specific reference to larvae. Helena Heasman at Port Stephens is the EO for their Animal Ethics committee ([log in to unmask]) if you want to check.
Cheers Sandy
Sandy Morison Program Leader, Bay & Coastal Fisheries Marine and Freshwater Resources Institute P.O. Box 114 Queenscliff, Vic 3225 Australia Ph: +61 3 5258 0232 Fax: +61 3 5258 0270 Email: [log in to unmask]
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