Oil extraction from microalgae for live prey enrichment and larviculture of clownfish Amphiprion percula

The present study investigates the potential of algal oil (extracted from Nannochloropsis salina), cod liver oil, olive oil and yeast for live prey enrichments in A. percula larviculture. After hatching, larvae were divided into six experimental groups as follows. Larvae fed on non-enriched (control...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2017-02, Vol.97 (1), p.43-58
Main Authors: Dhaneesh, K. V., Ajith Kumar, T. T.
Format: Article
Language:English
Subjects:
Algae
Amphiprion percula
Artemia
Brachionus plicatilis
Carotenoids
Dietary minerals
Fatty acids
Fish oils
Hatching
Hormones
Iodine
Larvae
Marine
Nannochloropsis salina
Olea
Olive oil
Potash
Potassium
Prey
Rotifera
Sodium
Thyroid
Thyroid gland
Yeasts
Zooplankton
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Summary:The present study investigates the potential of algal oil (extracted from Nannochloropsis salina), cod liver oil, olive oil and yeast for live prey enrichments in A. percula larviculture. After hatching, larvae were divided into six experimental groups as follows. Larvae fed on non-enriched (control), cod liver oil enriched, olive oil enriched, algal oil enriched, yeast enriched live prey and wild collected mixed plankton. Growth (total length, standard length, body depth, head depth and weight), survival, carotenoid and PUFAs content were observed at higher levels in juveniles fed on wild plankton and algal oil enriched diets. Thyroid hormones (T3, T4 and TSH) levels were also higher in the juveniles fed on wild plankton followed by algal oil enriched diet. Based on the present study, it can be concluded that mixed zooplankton and algal oil enriched rotifers Brachionus plicatilis and Artemia nauplii may be considered suitable live prey for clownfish larviculture.
ISSN:0025-3154
1469-7769
DOI:10.1017/S0025315415002167