Abstract
The food habits of the mudskipper Periophthalmus keolreuteri (Pallas) from the mudflats at Rumuolumeni Creek, Niger Delta, Nigeria were studied. The frequency of occurrence and ‘point’ methods was used for the gut content analysis. The results indicate that the juveniles were herbivorous feeding more on aquatic macrophytes, diatoms and algal filaments while the adults had a dietary shift towards crustaceans, aquatic and terrestrial insects and polychaetes. The amphibious lifestyle of the mudskipper confers on it the trophic position of a zoobenthivore and a predator.
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