Exotic Animal Formulary5

bath 100
50-500 mg/L
bath 100
70 mg/L for 5 min
then 35 mg/L
for 30 min 118
Anesthesia
Channel catfish
1 g/L spray 100 Large fish/anesthesia; spray onto gills with an
aerosol pump sprayer
Butorphanol
0.05-0.1 mg/kg
IM 142
Postoperative analgesia
0.4 mg/kg IM 59,60 Koi/postoperative analgesia
10 mg/kg IM 14 Koi/postoperative analgesia; respiratory
depression at this dose; lower dosage might be
warranted
Carbon dioxide — Euthanasia; bubble gas through water until
respiration stops >10 min; other agents
preferred 100
Clove oil (also see
Eugenol)
— Clove oil consists of a mixture of eugenol,
methyleugenol, isoeugenol, and other
compounds and in this generic form is not
approved by the FDA for use in fish intended
for human consumption
40-120 mg/L
bath 87
Stock solution: 100 mg/mL of clove oil by diluting
1 part clove oil with 9 parts 95% ethanol
(eugenol is poorly soluble in water); over-thecounter
preparation (pure) available at most
pharmacies contains approximately 1 g
eugenol per mL of clove oil; recovery may be
prolonged; use lower end of this range to
start; many bony fishes readily anesthetized
with 25-50 mg/L
Dexmedetomidine d — See medetomidine for comments
Ethanol 1%-1.5% bath 58 Anesthetic levels difficult to control, resulting in
overdose; not recommended
>3% bath 58 Euthanasia; other agents preferred
Etomidate 1-4 mg/L 149 Lower doses should be used with striped bass and
related species 149
Eugenol (a purified
derivative of
clove oil; also see
clove oil)
10-100 mg/L bath
for sedation to
handleable 2
17-25 mg/L
bath 149
Aqui-SE contains 50% eugenol and Aqui-S20E,
10% eugenol, a compound mixture of eugenol
and polysorbate 80 (for solubility); lower doses
(6 mg/L) will produce sedation without
general anesthesia 2,149
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