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Science / Retrospective report

Pacific coral maps guide exploration

Predicted hotspots require direct observations.

Event / announcement date
2026-09-09
Squat lobster nestled among branching deep-sea coral.
A squat lobster among coral branches on Dive 01 of NOAA’s 2026 American Samoa expedition. An actual observation, not a depiction of a predicted hotspot. · NOAA Ocean Exploration, 2026 American Samoa ROV + Mapping Exploration. Public domain. · None; original bytes and embedded metadata preserved. · Image source ↗ · public-domain ↗

NOAA’s September 9, 2026 Pacific coral maps predict where diversity may be concentrated. They guide exploration rather than document a complete seafloor inventory. [1]

The models connect records for roughly 30 species with conditions including depth, temperature and oxygen. Combining species predictions identifies potential hotspots for limited remotely operated vehicle time. [1]

A separate NOAA Fisheries habitat reference explains the stakes: coral branches shelter fish and invertebrates. Deep-water corals feed on organisms carried by currents rather than requiring sunlight. [2]

The habitat reference describes slow growth and damage from bottom-contact fishing gear. Damaged coral groves can take hundreds of years to regenerate, if they recover at all. [2]

The September account planned to incorporate American Samoa expedition observations to refine the models. It supplied no accuracy statistic; the maps should be read as survey targets, not verified discoveries. [1]

The source

  1. NOAA Ocean Exploration: Predicting Pacific deep-sea coral diversity ↗
    Source date 2026-09-09 · reviewed November 4, 2026
  2. NOAA Fisheries: Deep-sea coral habitat ↗
    Source updated 2026-01-08 · reviewed November 4, 2026 · Page states Last updated on 01/08/2026; original publication date is not supplied.
Sources reviewed November 4, 2026. External pages may change.

About this item: Retrospective report. No first-hand reporting or independent testing is claimed. Corrections policy.

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