Invertebrate · Octopus vulgaris · typical adult weight 1.00–10.00 kg
Metronidazole is dosed at 100 mg/L immersion immersion/bath — see duration in common octopuses, per Invertebrate Medicine, 3rd ed (Lewbart, 2022), Table 9.6 "Cephalopod formulary", corpus PDF p.596. Published 2026-08-06. — SOURCE EDITION: Invertebrate Medicine — ISBN 9781119569435, https://openlibrary.org/isbn/9781119569435. Metronidazole is used in common octopuses for Protozoal infection. Routes documented in common octopuses: immersion. A typical adult common octopus weighs 1.00–10.00 kg. ExoticRx lists 1 cited dose rule for Metronidazole in common octopuses, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Flagyl
| Route | Dose | Frequency | Indication | Evidence | Source |
|---|---|---|---|---|---|
| immersion | 100 mg/L | immersion/bath — see duration | Protozoal infection | Weak | Invertebrate Medicine, 3rd ed (Lewbart, 2022), Table 9.6 "Cephalopod formulary", corpus PDF p.596. Published 2026-08-06. — SOURCE EDITION: Invertebrate Medicine — ISBN 9781119569435, https://openlibrary.org/isbn/9781119569435 |
Every held source for this drug and species, as printed. Where they differ, both are shown — the choice is yours, not ours.
| Dose (mg/l) | Route | Source | As printed |
|---|---|---|---|
| 100 | IMMERSION | Carpenter's Exotic Animal Formulary, 6th edTable 1.2 | 100 mg/L immersion for 16 hr |
Figures are transcribed from the cited page or table of each held edition and are shown for reference only. They are not dose recommendations, they do not feed the calculator, and none has been reviewed by a veterinarian.
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Disrupts DNA structure in anaerobic organisms via reduction of nitro group, forming cytotoxic intermediates.
Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
Species-specific contraindications and adverse-reaction reports for common octopuses may differ from canine / feline reference data — consult the primary citations listed with each rule.
Metronidazole dose range in common octopuses, with cited source references: immersion 100 mg/L immersion/bath — see duration. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Metronidazole in common octopuses: immersion.
Metronidazole is indicated in common octopuses for: Protozoal infection.
These are general warnings for Metronidazole across species; consult the common octopus dosing table above for species-specific guidance. Neurotoxicity at high doses or prolonged use (ataxia, seizures). Avoid in pregnant animals. Hepatotoxic at high doses.
Why a species-specific page? Metronidazole pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in common octopuses — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.