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

HW-MN0524539 – Residency

4th sighting in Gulf of California
Fluke of HW-MN0524539
HW-MN0524539 Confirmed in the catalog @136474
Mar 1 – 4, 2025 · Gulf of California

Gulf of California · Mar 2025

90 m
Deepest dive
3:33
Longest dive
85
Dives
Sightings
4
Days between first and last sighting
3
Deepest dive on record
90 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 1, 202510 m—8 m
Mar 4, 202546 m—29 m
Mar 4, 202518 m—16 m
Mar 4, 202598 m—90 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
Mar 1, 2025 — seafloor 10 m (measured), deepest dive 8 m (modelled)Mar 1Mar 4, 2025 — seafloor 46 m (measured), deepest dive 29 m (modelled)Mar 4Mar 4, 2025 — seafloor 18 m (measured), deepest dive 16 m (modelled)Mar 4Mar 4, 2025 — seafloor 98 m (measured), deepest dive 90 m (modelled)Mar 4

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

Dives

90 m
Deepest dive
3:33
Longest dive
85
Dives
13 m
Avg dive depth
4
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010090 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (98 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 · Mar 4, 2025

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

Across the residency · 4 sightings

measured
Seafloor depth
10 m – 98 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.