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

HW-MN0524587 – Residency

5th sighting in Gulf of California
Fluke of HW-MN0524587
HW-MN0524587 Confirmed in the catalog @137295
Feb 5 – Apr 7, 2025 · Gulf of California

Gulf of California · Feb – Apr 2025

87 m
Deepest dive
3:51
Longest dive
40
Dives
Sightings
5
Days between first and last sighting
61
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)
Feb 5, 2025146 m—81 m
Mar 21, 202553 m—38 m
Mar 27, 202550 m—30 m
Mar 28, 20252 m—2 m
Apr 7, 2025105 m—87 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 5, 2025 — seafloor 146 m (measured), deepest dive 81 m (modelled)Feb 5Mar 21, 2025 — seafloor 53 m (measured), deepest dive 38 m (modelled)Mar 21Mar 27, 2025 — seafloor 50 m (measured), deepest dive 30 m (modelled)Mar 27Mar 28, 2025 — seafloor 2 m (measured), deepest dive 2 m (modelled)Mar 28Apr 7, 2025 — seafloor 105 m (measured), deepest dive 87 m (modelled)Apr 7

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

Dives

87 m
Deepest dive
3:51
Longest dive
40
Dives
20 m
Avg dive depth
5
Sightings
61
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 (105 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 · Apr 7, 2025

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

Across the residency · 5 sightings

measured
Seafloor depth
2 m – 146 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 5 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.