METHOD FOR CULTIVATING PARALARVAE OF COMMON OCTOPUS (OCTOPUS VULGARIS)

MA51220AActive Publication Date: 2020-10-07INST ESPANOL DE OCEANOGRAFIA
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Patent Information

Application Number
MA51220
Authority / Receiving Office
MA · MA
Patent Type
Applications
Current Assignee / Owner
Priority Date
2018-11-21
Filing Date
2018-11-21
Publication Date
2020-10-07
Estimated Expiration
2038-11-21

AI Technical Summary

Technical Problem

The commercial aquaculture of common octopus (Octopus vulgaris) is limited by high mortality rates during the paralarval phase, reliance on natural juvenile capture, and lack of effective artificial diets, hindering large-scale production.

Method used

A cultivation method using gammarideas (Jassa spp.) and caprelids (Phtisica spp./Caprella spp.) as novel prey in combination with Artemia sp., along with a standardized protocol optimizing water renewal, lighting, and habitat conditions to enhance survival and growth rates of paralarvae.

Benefits of technology

This method achieves survival rates greater than 90% at 40 days and 65% at 60 days, with growth rates sufficient for successful settlement, surpassing previous results with Artemia sp. and crab zoea, facilitating commercial-scale production.

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Abstract

A rearing method for the paralarvae of the common octopus (Octopus vulgaris) up to their settlement (benthic phase) is based on a prey diet including the caprelidae *Phtisica marina* and *Caprella equilibra* and / or gammarids of the *Jassa* type. Lighting conditions, water exchange, temperature, among other factors, are optimized to achieve maximum paralarva survival.
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