Improving Keeping for Octopuses by Testing Different Escape-Proof Designs on Tanks for “Big Blue Octopus” (Octopus cyanea)
Abstract
:1. Introduction
2. Materials and Methods
- Tank Type 1
- 270 L opaque blue tank with outward facing rim (Figure 1b–d; FRP tank, Square-type KF-270S. (W × L × D): 60 × 90 × 50 cm).
- Tank Type 2
- 360 L transparent acrylic tanks with inward facing rim (Figure 1e; Custom design, Exotic Aquaria (W × L × D): 60 × 120 × 50 cm with corner weir).
- Tank Type 3
- 3000 L opaque blue tank with one acrylic window and with outward-facing lip on the top (Figure 1f; FRP tank Square-type w/acryl window KF-3000S-SA-L (W × L × D): 145 × 239.5 × 90 cm).
- Tank 1A—we used custom cut transparent acrylic lids with holes cut in for water inflow hose and air bubbler hose. The lids were secured to the outward facing tank rim with clamps, weights or both (Figure 2a).
- Tank 1B—we constructed a novel type of netting closure with fastenings on the outward facing tank rim (similar netting is used in local fish farming; Figure 2b).
3. Results
3.1. Maintenance
3.2. Escape
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
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Asada, K.; Nakajima, R.; Nishibayashi, T.; Ziadi-Künzli, F.; Lajbner, Z.; Miller, J.; Gutnick, T.; Kuba, M.J. Improving Keeping for Octopuses by Testing Different Escape-Proof Designs on Tanks for “Big Blue Octopus” (Octopus cyanea). Appl. Sci. 2021, 11, 8547. https://doi.org/10.3390/app11188547
Asada K, Nakajima R, Nishibayashi T, Ziadi-Künzli F, Lajbner Z, Miller J, Gutnick T, Kuba MJ. Improving Keeping for Octopuses by Testing Different Escape-Proof Designs on Tanks for “Big Blue Octopus” (Octopus cyanea). Applied Sciences. 2021; 11(18):8547. https://doi.org/10.3390/app11188547
Chicago/Turabian StyleAsada, Keishu, Ryuta Nakajima, Takahiro Nishibayashi, Fabienne Ziadi-Künzli, Zdeněk Lajbner, Jonathan Miller, Tamar Gutnick, and Michael J. Kuba. 2021. "Improving Keeping for Octopuses by Testing Different Escape-Proof Designs on Tanks for “Big Blue Octopus” (Octopus cyanea)" Applied Sciences 11, no. 18: 8547. https://doi.org/10.3390/app11188547
APA StyleAsada, K., Nakajima, R., Nishibayashi, T., Ziadi-Künzli, F., Lajbner, Z., Miller, J., Gutnick, T., & Kuba, M. J. (2021). Improving Keeping for Octopuses by Testing Different Escape-Proof Designs on Tanks for “Big Blue Octopus” (Octopus cyanea). Applied Sciences, 11(18), 8547. https://doi.org/10.3390/app11188547