Answer:
They're omnivorous and they also it excretions from the anemone they live in, algae and zooplankton.
Step-by-step explanation:
Nemo is a clownfish, as his species is commonly known. He has an omnivorous diet and some aspects of this diet stand out a bit, such as the fact that it eats feces from the anemone with which the it has a mutualism relationship with.
His diet also consists of zooplankton, larvae and algae.
Hope it helped,
BiologiaMagister