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A large white sponge hosts two crinoids in search
of food |

Despite the name, black corals often have an
orange coloration to the living tissue |

Anemones filter food from the water column while
brittle stars sift organic matter from the sand |

Smalleyed rabbitfish (Hydrolagus affinus),
a species of primitive chimaeroid |

Delicate vase sponge is supported by a complex
pattern of glass spicules |

Coral fossil (D. cristagalli) can be used to
measure climate change, by means of stable isotope dating |

Northern cutthroat eel feeds on crustaceans,
polychaetes, and small fishes near the seafloor |

Bushy black coral, a type of antipatharian coral |

A rattail grenadier can often be identified
by its prominent first dorsal fin and long, tapered tail |

Small urchin on the branch of a bamboo coral |

Bamboo coral forest reaches high into the water
column (more than 6 feet) |

Rattail grenadier displaying head-down behavior
to find prey |

Venus flytrap anemones can close their tentacles
to entrap their prey |

Bright yellow sponge and corals make a home
on a basalt ridge |

Deepsea red crab surrounding by a diversity
of sessile invertebrates |