Commerson's dolphins prey on small fish, mysid shrimp, as well as squid, octopus, marine worms, and tunicates. While natural predators are still unknown, killer whales and leopard seals may prey on them as they are found in the same geological area. Commerson's dolphins also act as hosts for roundworms (Nematoda) and flukes (Trematoda).
- 2010. "The Encyclopedia of Earth" (On-line). Accessed March 15, 2010 at http://eoearth.org/article/Commerson%27s_dolphin.
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