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

HW-MN0525179 – Residency

3rd sighting in Gulf of California
Fluke of HW-MN0525179
HW-MN0525179 Confirmed in the catalog @153641
Feb 11 – 28, 2026 · Gulf of California

Gulf of California · Feb 2026

147 m
Deepest dive
5:46
Longest dive
34
Dives
Sightings
3
Days between first and last sighting
17
Deepest dive on record
147 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 11, 2026999 m23.4°C47 m
Feb 27, 20261,106 m22.9°C27 m
Feb 28, 2026795 m21.8°C147 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 999 m (measured), deepest dive 47 m (modelled)Feb 11Feb 27, 2026 — seafloor 1,106 m (measured), deepest dive 27 m (modelled)Feb 27Feb 28, 2026 — seafloor 795 m (measured), deepest dive 147 m (modelled)Feb 28

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

Dives

147 m
Deepest dive
5:46
Longest dive
34
Dives
25 m
Avg dive depth
3
Sightings
17
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150147 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (795 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.

Unlock with Risa Deep

Place

Where this happened · Feb 28, 2026

measured
Seafloor depth
795 m
Sea-surface temperature
21.8°C
Distance from shore
23.0 km

Across the residency · 3 sightings

measured
Seafloor depth
795 m – 1,106 m
Sea-surface temperature
21.8°C – 23.4°C
Distance from shore
6.0 km – 23.0 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 3 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.