Tricaine-S / Aqualife TMS (MS 222) Fish Anesthetic

//Tricaine-S / Aqualife TMS (MS 222) Fish Anesthetic

Tricaine-S / Aqualife TMS (MS 222) Fish Anesthetic

Syndel’s MS-222 is regarded as the most trusted fish anesthetic for aquatic animals around the world. Tricaine-S is manufactured in North America and is approved in multiple countries for the temporary immobilization of fish, amphibians, and other aquatic cold-blooded animals. (sold in Canada as Aqualife TMS)

Contact us for pricing and assistance at Syndel’s USA office at (800) 283-5292, or Syndel’s Canadian Office at (800) 663-2282.  For International inquiries email



Syndel’s Tricaine-S/Aqualife TMS (also known as MS-222, TMS, tricaine methanesulfonate) is a fish anesthetic used for the temporary immobilization of fish, amphibians, and other aquatic cold-blooded animals (poikilotherms) around the world. Tricaine-S/Aqualife TMS has long been recognized as a valuable tool for the proper handling of these animals during manual spawning (fish stripping), weighing, measuring, marking, surgical operations, transport, photography, and research. Tricaine-S/Aqualife TMS is a fully approved drug in the USA and Canada.

Syndel is the world’s largest manufacturer of Tricaine-S fish anesthetic. It is made in our FDA inspected Ferndale, Washington USA manufacturing plant according to Good Manufacturing Practices (GMP) to ensure the purity, strength, and quality of the product.

In Canada, Tricaine-S (MS-222) is sold under the name Aqualife TMS.

If anesthetizing fish for transport or handling try out Vidalife, if sedating for spawning try one of our many spawning aids.

Available Sizes: 10g,  100g,  1kg Bottle

For additional Syndel Product information such as availability, package sizes, pricing, and approvals/application details relevant to your country or region, please contact Syndel,

For more information on fish anesthetics, please see our FAQ page.

Resource Downloads

Tricaine-S Directions for Use

Tricaine-S – Dosage Chart

Fish Anesthetics FAQ

Tricaine-S – SDS

Aqualife TMS – SDS

Guide to Using Drugs, Biologics, and Chemicals in Aquaculture 

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