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

HW-MN0521256 – Residency

4th sighting in Gulf of California
Fluke of HW-MN0521256
HW-MN0521256 Confirmed in the catalog @46917
Jan 31 – Feb 9, 2025 · Gulf of California

Gulf of California · Jan – Feb 2025

61 m
Deepest dive
3:08
Longest dive
32
Dives
Sightings
4
Days between first and last sighting
9
Deepest dive on record
61 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 31, 2025107 m—39 m
Feb 6, 20251,022 m—46 m
Feb 8, 202593 m—61 m
Feb 9, 202576 m—61 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
Jan 31, 2025 — seafloor 107 m (measured), deepest dive 39 m (modelled)Jan 31Feb 6, 2025 — seafloor 1,022 m (measured), deepest dive 46 m (modelled)Feb 6Feb 8, 2025 — seafloor 93 m (measured), deepest dive 61 m (modelled)Feb 8Feb 9, 2025 — seafloor 76 m (measured), deepest dive 61 m (modelled)Feb 9

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

Dives

61 m
Deepest dive
3:08
Longest dive
32
Dives
26 m
Avg dive depth
4
Sightings
9
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010061 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (93 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 8, 2025

measured
Seafloor depth
93 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 4 sightings

measured
Seafloor depth
76 m – 1,022 m
Sea-surface temperature
—
Distance from shore
3.0 km – 5.0 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.