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

Stego – Residency

35th sighting in Monterey Bay
Fluke of Stego
Stego Confirmed in the catalog @247
Jun 14 – Sep 10, 2026 · Monterey Bay

Same Shelf, Same Summer

Spiky fin, cold water, the usual crowd — home again.

242 m
Deepest dive
8:18
Longest dive
42
Dives
Sightings
5
Days between first and last sighting
88
Deepest dive on record
242 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 14, 2026667 m15.2°C27 m
Aug 29, 202668 m15.8°C55 m
Aug 30, 2026217 m15.4°C78 m
Sep 3, 2026219 m15.3°C52 m
Sep 10, 2026271 m17.7°C242 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
Jun 14, 2026 — seafloor 667 m (measured), deepest dive 27 m (modelled)Jun 14Aug 29, 2026 — seafloor 68 m (measured), deepest dive 55 m (modelled)Aug 29Aug 30, 2026 — seafloor 217 m (measured), deepest dive 78 m (modelled)Aug 30Sep 3, 2026 — seafloor 219 m (measured), deepest dive 52 m (modelled)Sep 3Sep 10, 2026 — seafloor 271 m (measured), deepest dive 242 m (modelled)Sep 10

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

Dives

242 m
Deepest dive
8:18
Longest dive
42
Dives
26 m
Avg dive depth
5
Sightings
88
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0125250242 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (271 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 · Sep 10, 2026

measured
Seafloor depth
271 m
Sea-surface temperature
17.7°C
Distance from shore
4.0 km

Across the residency · 5 sightings

measured
Seafloor depth
68 m – 667 m
Sea-surface temperature
15.2°C – 17.7°C
Distance from shore
4.0 km – 7.0 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 5 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.