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Phenoxyethanol is a clear, aromatic, slow-evaporating, viscous glycol ether. Phenoxyethanol, is used as a tranquilizer in shipments of ornamental fish, to reduce bio-viability. As well used before shifting and handling of fish.



2-phenoxyethanol is an anesthetic that is administered to the salmon to minimize stress when we handle the fish. The ratio of the chemical to water is .4ml:1litre. The fish absorbs the chemical while in a holding tank.

Data taken from:



a. Smallest quantity
Has bacteriological and fungicidal properties
c. Cost worthy (unexpensive)

Anaesthetics which are used as baths

Name Dose rate Comments
Benzocaine (ethyl-4-amino-benzoate)  Salmonids 50 mg/l, Tilapia 80 -100mg/l, Catfish >100mg/l  Dissolve first in small amount of alcohol or acetone
Chlorobutanol  1000 mg/l  
Clove Oil 40 - 150 mg/l  
Hydroxyquinaldine  10 mg/l  
Metomodate  0.2 - 0.8 mg/l  
MS-222 (tricaine methanesulphonate)   Salmonids 50-100 mg/l
Carp 100 mg/l
Tilapia fry 60-70 mg/l
Tilapia adults 100-200mg/l
Mullet 200 mg/l
Acidic solution, water should be buffered to pH 7.0 or above to prevent side effects through low pH
2-Phenoxyethanol  0.3 ml/l  Has bacteriological and fungicidal properties
Quinaldine  50 mg/l  
Tertiary amyl alcohol  1 - 10 ml/l  
Urethane  100 mg/l  


Anaesthetics which must be injected

Novocain  50 mg/kg body weight
Sodium amobarbitol  85 mg/kg body weight
Sodium amytal  50-80 mg/kg body weight

Data taken from: