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Penguin Survival Lab
Founder, Penguin Place· Founder and editor

Penguins That Eat Crustaceans

10 penguin species in this guide eat crustaceans, including African Penguin, Eastern Rockhopper Penguin, Fiordland Penguin. Shared prey creates overlap, but it also exposes very different birds to the same ocean bottleneck.

Crustaceans matters because prey choice shapes dive depth, breeding success, and how badly a penguin suffers when the ocean changes. Two penguins can eat the same thing and still live completely different lives because prey only makes sense inside place, depth, and breeding rhythm.

10 species coveredLargest: Gentoo PenguinHighest risk: African Penguin

Species covered

10

Largest species here

Gentoo Penguin

Up to 90 cm

Highest risk in view

African Penguin

Critically Endangered

Species in this lens

Crustaceans matters because prey choice shapes dive depth, breeding success, and how badly a penguin suffers when the ocean changes.

What this view reveals

  • Crustaceans matters because prey choice shapes dive depth, breeding success, and how badly a penguin suffers when the ocean changes. Two penguins can eat the same thing and still live completely different lives because prey only makes sense inside place, depth, and breeding rhythm.
  • Gentoo Penguin is the largest species in this view at up to 90 cm.
  • African Penguin carries the highest conservation pressure in this group.

Frequently asked questions

Which penguins eat crustaceans?

African Penguin, Eastern Rockhopper Penguin, Fiordland Penguin, Gentoo Penguin, Little Blue Penguin, Macaroni Penguin, Magellanic Penguin, Northern Rockhopper Penguin, Western Rockhopper Penguin, Yellow-eyed Penguin all take crustaceans as part of their diet, though not always in the same proportion or season.

Does eating crustaceans mean these penguins live in the same place?

Not necessarily. Penguins can share prey types while living in very different regions and habitats.

Which penguin that eats crustaceans is most threatened?

African Penguin has the highest conservation status in this hub at Critically Endangered.