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

HW-MN0444874 – Residency

3rd sighting in Hawaiian Islands
Fluke of HW-MN0444874
HW-MN0444874 Confirmed in the catalog @132500
Dec 20, 2024 – Jan 9, 2025 · Hawaiian Islands

Hawaiian Islands · Dec 2024 – Jan 2025

87 m
Deepest dive
3:16
Longest dive
37
Dives
Sightings
4
Days between first and last sighting
21
Deepest dive on record
87 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 20, 2024177 m—87 m
Dec 24, 2024364 m—44 m
Dec 24, 202410 m—9 m
Jan 9, 202522 m—18 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
Dec 20, 2024 — seafloor 177 m (measured), deepest dive 87 m (modelled)Dec 20Dec 24, 2024 — seafloor 364 m (measured), deepest dive 44 m (modelled)Dec 24Dec 24, 2024 — seafloor 10 m (measured), deepest dive 9 m (modelled)Dec 24Jan 9, 2025 — seafloor 22 m (measured), deepest dive 18 m (modelled)Jan 9

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

Dives

87 m
Deepest dive
3:16
Longest dive
37
Dives
16 m
Avg dive depth
4
Sightings
21
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (177 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 · Dec 20, 2024

measured
Seafloor depth
177 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
10 m – 364 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.