Seeking protocol for cyanide testing of fish

Gregor Hodgson gregorh at
Sat Jun 5 04:33:55 EDT 1999


A colleague here at HKUST, Dr. Reinhard Renneberg <chrenneb at> of
the Chemistry Dept, is a specialist in sensor design and has several on
the market. He and a grad student have been working on an inexpensive
and ultra sensitive cyanide detector that is portable, very rapid,  and
can detect the thiocyanate that cyanide is metabolized into in tissue.
He is looking for funding to complete the system.

Current cyanide testing systems typically require a wet lab set up, are
slow and are so insensitive that cyanide, which is quickly washed out of
fish in seawater and metabolized, is often not detectable even hours
after exposure.

Please contact Dr. Renneberg for further details.


Jonathan Lowrie wrote:

> Dear Colleagues:
> I am seeking out an easy to use protocol for testing reef fish for
> cyanide use. Some of the ornamental aquarium trade exports from FIJI
> would like to utilize cyanide testing as a means to ensure their stock
> is ecologically collected, and they need a protocol that will provide
> a positive or negative for the presence of cyanide in fishes.
> Ideally, this would be a simple test, that can be used in the field.
> However, a more complex protocol could be taught, so any information
> would be appreciated.
> Thank you.
> Jonathan
> Jonathan Lowrie
> Aquarist Supervisor
> California Science Center
> Tel: 213 744-2612
> Fax: 213 744-2547

Gregor Hodgson, PhD
Coordinator, Reef Check Global Survey Program
GPO Box 12375, Hong Kong
Tel: 852-2358-0317
Fax: 852-2887-5454
Email: gregorh at

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