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

HW-MN0523519 – Residency

3rd sighting in Gulf of California
Fluke of HW-MN0523519
HW-MN0523519 Confirmed in the catalog @101156
Feb 11, 2026 · Gulf of California

Gulf of California · Feb 2026

198 m
Deepest dive
7:31
Longest dive
17
Dives
Sightings
2
Days between first and last sighting
Same day
Deepest dive on record
198 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 11, 2026327 m22.7°C61 m
Feb 11, 2026330 m22.8°C198 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 11, 2026 — seafloor 327 m (measured), deepest dive 61 m (modelled)Feb 11Feb 11, 2026 — seafloor 330 m (measured), deepest dive 198 m (modelled)Feb 11

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

Dives

198 m
Deepest dive
7:31
Longest dive
17
Dives
50 m
Avg dive depth
2
Sightings
Same day
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200198 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (330 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 11, 2026

measured
Seafloor depth
330 m
Sea-surface temperature
22.8°C
Distance from shore
19.0 km

Across the residency · 2 sightings

measured
Seafloor depth
327 m – 330 m
Sea-surface temperature
22.7°C – 22.8°C
Distance from shore
4.0 km – 19.0 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.