Story: Marine animals without backbones

Marine roundworm

Marine roundworm

In this magnified image of a roundworm from Papanui Inlet, Otago, the head and throat are clearly visible. The entire animal is only 4 millimetres long. It belongs to a group of free-living nematodes, which feed on bacteria and microscopic algae.

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Photograph by Daniel Leduc

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How to cite this page:

Dennis Gordon and Maggy Wassilieff, 'Marine animals without backbones - Simple worms', Te Ara - the Encyclopedia of New Zealand, http://www.TeAra.govt.nz/en/photograph/6978/marine-roundworm (accessed 23 November 2019)

Story by Dennis Gordon and Maggy Wassilieff, published 12 Jun 2006