Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Hawaiian Islands

TDI-16171 – Residency

4th sighting in Hawaiian Islands
Fluke of TDI-16171
TDI-16171 Confirmed in the catalog @44053
Feb 11 – 21, 2025 · Hawaiian Islands

Hawaiian Islands · Feb 2025

104 m
Deepest dive
3:37
Longest dive
35
Dives
Sightings
4
Days between first and last sighting
10

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 11, 2025123 m—84 m
Feb 17, 202546 m—42 m
Feb 21, 2025134 m—104 m
Feb 21, 2025159 m—79 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Feb 11, 2025 — seafloor 123 m (measured), deepest dive 84 m (modelled)Feb 11Feb 17, 2025 — seafloor 46 m (measured), deepest dive 42 m (modelled)Feb 17Feb 21, 2025 — seafloor 134 m (measured), deepest dive 104 m (modelled)Feb 21Feb 21, 2025 — seafloor 159 m (measured), deepest dive 79 m (modelled)Feb 21

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

104 m
Deepest dive
3:37
Longest dive
35
Dives
34 m
Avg dive depth
4
Sightings
10
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150104 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (134 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Feb 21, 2025

measured
Seafloor depth
134 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
46 m – 159 m
Sea-surface temperature
—
Distance from shore
2.0 km – 4.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.