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The influence of culture density and enriched environments on the first stage culture of young cuttlefish, Sepia officinalis (Linnaeus, 1758)
Sykes, A.V.; Domingues, P.M.; Loyd, M.; Sommerfield, A.; Andrade, J.P. (2003). The influence of culture density and enriched environments on the first stage culture of young cuttlefish, Sepia officinalis (Linnaeus, 1758). Aquacult. Int. 11(6): 531-544.
In: Aquaculture International. Springer: London. ISSN 0967-6120, more
Peer reviewed article  

Available in Authors 

    Culture effects; Density; Food conversion; Growth; Marine molluscs; Cephalopoda [WoRMS]; Mollusca [WoRMS]; Sepia officinalis Linnaeus, 1758 [WoRMS]; Marine

Authors  Top 
  • Sykes, A.V., correspondent
  • Domingues, P.M.
  • Loyd, M.
  • Sommerfield, A.
  • Andrade, J.P.

    The culture of Sepia officinalis hatchlings and juveniles at different densities and enriched environments was investigated. Experiments were conducted to determine effects of culture density and the use of a substrate on growth and survival. Experiment I studied the effect of three different densities (52, 515 and 1544 hatchlings m-2). Experiment II tested the effects of the enriched environment, using a sandy bottom with pvc shelters. Experiment III tested the effects of density on growth, survival, feeding rates and food conversions. Cuttlefish were fed live grass shrimp at rates of 20% body weight per day (BW d-1). Grass shrimp (Palaemonetes varians) was supplied ad libitum as food in all experiments. In experiment I, growth was different between the three densities, with highest growth for density of 515 hatchlings m-2. IGR was of 8.8, 9.6 and 9.2% BW d-1 for the three densities tested, respectively. Both groups of experiment II had similar growth. IGR was of 10.1 and 9.7% BW d-1 for enriched and non-enriched environments, respectively. Densities of 10, 45 and 120 juvenile m-2 were used in experiment III. Significant differences in feeding rates were only found between densities of 10 and 120 cuttlefish m-2 during the last week. Results indicate that culture of cuttlefish hatchlings could be done in a non-enriched environment, with densities not exceeding 500 hatchlings m-2 and minimum bottom areas of about 600 cm2. Densities of 120 juveniles m-2 in a minimum area of about 1083 cm2 should be considered for juveniles between 5 and 25 g.

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