Diet Overlap

Tritonia festiva (diamondback tritonia)
Hermissenda crassicornis (hermissenda)

Common Diet

Ptilosarcus gurneyi (Gurney's sea pen)

Common Habitat

North America
Pacific, Eastern Central

Attributes / relations provided by
♦ 1Interactions between a sea pen and seven of its predators, Charles Birkeland, Ecological Monographs (1974) 44:211-232