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Keywords:

  • exotic fish;
  • gut residence time;
  • Mozambique tilapia

Stomach residence time was tested over 24 h in three size classes of Oreochromis mossambicus using juvenile Lates calcarifer. In all 63 observations, the fish prey was digested within 24 h of consumption and most probably within 1 h, suggesting a need to re-evaluate the trophic status and potential effects of this highly invasive species.