IngentaConnect Clove oil as an anaesthetic for common octopus (Octopus minor, Sa...

Authors: Seol, Dong-Won¹; Lee, Jinhwan²; Im, Soo-Yeon¹; Park, In-Seok¹

Source: Aquaculture Research, Volume 38, Number 1, January 2007 , pp. 45-49(5)

Abstract:

We evaluated the anaesthetic effect of clove oil [2-methoxy-4-2-(2-propenyl)-phenol] on the common octopus (Octopus minor), in terms of the time required to become anaesthetized (`anaesthetic time') and recovery time. We used a factorial experimental design and administered clove oil at different temperatures (15, 20 and 25°C) and concentrations (50, 100, 150, 200, 250 and 300 mg L⁻¹). We observed a significant (P<0.05) relationship between concentration and temperature, and each variable was effective (P<0.05). Anaesthetic time linearly decreased as the concentration and temperature increased. However, recovery time increased as the concentration increased and temperature decreased. There was no mortality. A concentration of 200 mg L⁻¹ clove oil showed rapid anaesthetic and recovery times in the common octopus, indicating its suitability for this species.

Keywords: anaesthetic; exposure time; recovery time; clove oil; Octopus minor

Document Type: Research article

DOI: 10.1111/j.1365-2109.2006.01622.x

Affiliations: 1: Division of Marine Environment and Bioscience, Korea Maritime University, Busan, Korea 2: Research Institute of Marine Science and Technology, Korea Maritime University, Busan, Korea

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Clove oil as an anaesthetic for common octopus (Octopus minor, Sasaki)