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

Stego – Residency

4th sighting in Gulf of California
Fluke of Stego
Stego Confirmed in the catalog @247
Dec 25, 2023 – Feb 19, 2024 · Gulf of California

Gulf of California · Dec 2023 – Feb 2024

171 m
Deepest dive
6:11
Longest dive
56
Dives
Sightings
4
Days between first and last sighting
56

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 25, 2023115 m25.7°C51 m
Dec 25, 20231,673 m26.0°C171 m
Feb 13, 202424 m22.8°C20 m
Feb 19, 20242 m22.6°C2 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 25, 2023 — seafloor 115 m (measured), deepest dive 51 m (modelled)Dec 25Dec 25, 2023 — seafloor 1,673 m (measured), deepest dive 171 m (modelled)Dec 25Feb 13, 2024 — seafloor 24 m (measured), deepest dive 20 m (modelled)Feb 13Feb 19, 2024 — seafloor 2 m (measured), deepest dive 2 m (modelled)Feb 19

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

Dives

171 m
Deepest dive
6:11
Longest dive
56
Dives
19 m
Avg dive depth
4
Sightings
56
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200171 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,673 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 · Dec 25, 2023

measured
Seafloor depth
1,673 m
Sea-surface temperature
26.0°C
Distance from shore
14.0 km

Across the residency · 4 sightings

measured
Seafloor depth
2 m – 1,673 m
Sea-surface temperature
22.6°C – 26.0°C
Distance from shore
1.0 km – 14.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.