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

HW-MN0524926 – Residency

2nd sighting in Gulf of California
Fluke of HW-MN0524926
HW-MN0524926 Confirmed in the catalog @153291
Dec 31, 2025 – Jan 25, 2026 · Gulf of California

Gulf of California · Dec 2025 – Jan 2026

435 m
Deepest dive
14:40
Longest dive
15
Dives
Sightings
2
Days between first and last sighting
25
Deepest dive on record
435 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 31, 2025102 m—26 m
Jan 25, 20261,138 m24.1°C435 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 31, 2025 — seafloor 102 m (measured), deepest dive 26 m (modelled)Dec 31Jan 25, 2026 — seafloor 1,138 m (measured), deepest dive 435 m (modelled)Jan 25

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

Dives

435 m
Deepest dive
14:40
Longest dive
15
Dives
47 m
Avg dive depth
2
Sightings
25
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0225450435 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,138 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 25, 2026

measured
Seafloor depth
1,138 m
Sea-surface temperature
24.1°C
Distance from shore
10.0 km

Across the residency · 2 sightings

measured
Seafloor depth
102 m – 1,138 m
Sea-surface temperature
24.1°C
Distance from shore
2.0 km – 10.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 2 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.