Journal
AQUACULTURE INTERNATIONAL
Volume 12, Issue 4-5, Pages 481-487Publisher
SPRINGER
DOI: 10.1023/B:AQUI.0000042142.88449.bc
Keywords
Artemia; juvenile growth; octopus; paralarvae culture; zoeae
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This paper shows innovating results on Octopus vulgaris Cuvier 1797 growth under culture conditions during the whole life cycle. Experiments were conducted at the Spanish Institute of Oceanography of Vigo ( Spain). Using mean water temperature of 22.5degreesC, salinity of 35parts per thousand and adult Artemia ( 1-4 mm of total length) along with a diet complement of Maja squinado zoeae as living prey, it was possible to obtain a 31.5% paralarval survival at day 40 after hatching. At this age, paralarvae had reached a dry weight of 9.5 mg, 23 suckers per arm, and they began the settlement process. First results on juvenile growth showed that they reached 0.5 - 0.6 kg at the age of 6 months after hatching, and 2 months later, they attained weights ranging between 1.4 and 1.8 kg. Mean temperature of the ongrowing process was 18degreesC.
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