To know the optimal feeding schedule for culturing larvae of longtooth grouper
Epinephelus bruneus and sevenband grouper
E. septemfasciatus during seed production, we examined the food selectivity for rotifers
Brachionus plicatilis species complex and
Artemia nauplii by larvae reared in a hatchery. The larvae of both species with ≥8 mm standard length showed a preference for
Artemia nauplii and the mouth width of larvae with minimum body sizes fed with
Artemia nauplii was nearly equal to the body width of
Artemia nauplii. Therefore, it was suggested that the mouth width of larvae of both species is the restricting factor for preying on
Artemia nauplii. This finding will help improve the feeding schedule of
Artemia nauplii during the seed production process of these commercially important grouper species.
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