Next Article in Journal
Changes in Intestinal Gene Expression of Zebrafish (Danio rerio) Related to Sterol Uptake and Excretion upon β-Sitosterol Administration
Previous Article in Journal
Antimicrobial Peptides Are Expressed during Early Development of Zebrafish (Danio rerio) and Are Inducible by Immune Challenge
Article Menu

Export Article

Open AccessCommunication
Fishes 2017, 2(4), 21;

Preliminary Results on Light Conditions Manipulation in Octopus vulgaris (Cuvier, 1797) Paralarval Rearing

Centro Oceanográfico de Canarias, IEO, Vía Espaldón, Dársena Pesquera, Parcela 8, 38180 Santa Cruz de Tenerife, Spain
CCMAR, Centro de Ciências do Mar, Universidade do Algarve, 8005-139 Faro, Portugal
Universidad de La Laguna, Faculty of Sciences, Biology Section, 38206 San Cristóbal de La Laguna, Spain
BIOMIN Holding GmbH, Erber Campus 1, 3131 Getzersdorf, Austria
Fisheries College, Ocean University of China, Qingdao 266003, China
AZTI, Txatxarramendi Ugartea z/g, 48395 Sukarrieta (Bizkaia), Spain
Author to whom correspondence should be addressed.
Academic Editor: Maria Angeles Esteban
Received: 18 September 2017 / Revised: 16 November 2017 / Accepted: 20 November 2017 / Published: 24 November 2017
Full-Text   |   PDF [1091 KB, uploaded 24 November 2017]   |  


High paralarvae mortality is a major bottleneck currently hindering the control over the lifecycle of common octopus (Octopus vulgaris Cuvier, 1797). It is believed that this problem might be related to either zoo-technical and/or nutritional aspects. The present paper is focused on the study of different zoo-technical aspects related to light conditions on the rearing of paralarvae, including the effects of polarization in prey ingestion, the use of a blue filter to simulate natural conditions, and the use of focused light to avoid reflections of the rearing tank’s walls. In the first experiment, O. vulgaris paralarvae ingestion of Artemia sp. and copepods (Tisbe sp.) was assessed under either normal or polarized light. In the second experiment, the effect of a blue filter with natural light or focused artificial light on growth and mortality was assessed over 15 days of rearing. Ingestion rate was not influenced by light polarization. Nonetheless, a significantly higher ingestion of Artemia sp. with respect to copepods was observed. The blue filter promoted the use of natural light conditions in Octopus paralarval culture, while focused light reduced the collision of the paralarvae against the walls. However, no significant differences were found in paralarval growth nor survival. View Full-Text
Keywords: blue filter; Octopus vulgaris; paralarvae rearing; polarized light; reflection light blue filter; Octopus vulgaris; paralarvae rearing; polarized light; reflection light

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

Share & Cite This Article

MDPI and ACS Style

Garrido, D.; Reis, D.B.; Orol, D.; Gonçalves, R.A.; Martín, M.V.; Sykes, A.V.; Rodríguez, C.; Felipe, B.C.; Zheng, X.; Lagos, L.; Almansa, E. Preliminary Results on Light Conditions Manipulation in Octopus vulgaris (Cuvier, 1797) Paralarval Rearing. Fishes 2017, 2, 21.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Metrics

Article Access Statistics



[Return to top]
Fishes EISSN 2410-3888 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top