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

2024-2025 calf of HW-MN0521012 – Residency

7th sighting in Gulf of California
Fluke of 2024-2025 calf of HW-MN0521012
2024-2025 calf of HW-MN0521012 Confirmed in the catalog @137193
Jan 17 – Mar 11, 2025 · Gulf of California

Gulf of California · Jan – Mar 2025

81 m
Deepest dive
3:04
Longest dive
68
Dives
Sightings
7
Days between first and last sighting
53
Deepest dive on record
81 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 17, 202579 m—70 m
Jan 18, 2025105 m—81 m
Jan 21, 202578 m—65 m
Jan 28, 202549 m—42 m
Feb 22, 202538 m—28 m
Mar 10, 20256 m—6 m
Mar 11, 202549 m—33 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 17, 2025 — seafloor 79 m (measured), deepest dive 70 m (modelled)Jan 17Jan 18, 2025 — seafloor 105 m (measured), deepest dive 81 m (modelled)Jan 18Jan 21, 2025 — seafloor 78 m (measured), deepest dive 65 m (modelled)Jan 21Jan 28, 2025 — seafloor 49 m (measured), deepest dive 42 m (modelled)Jan 28Feb 22, 2025 — seafloor 38 m (measured), deepest dive 28 m (modelled)Feb 22Mar 10, 2025 — seafloor 6 m (measured), deepest dive 6 m (modelled)Mar 10Mar 11, 2025 — seafloor 49 m (measured), deepest dive 33 m (modelled)Mar 11

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

Dives

81 m
Deepest dive
3:04
Longest dive
68
Dives
23 m
Avg dive depth
7
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010081 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 · Jan 18, 2025

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

Across the residency · 7 sightings

measured
Seafloor depth
6 m – 105 m
Sea-surface temperature
—
Distance from shore
1.0 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 7 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.