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

Stego – Residency

28th sighting in Monterey Bay
Fluke of Stego
Stego Confirmed in the catalog @247
Jul 31 – Nov 4, 2021 · Monterey Bay

Monterey Bay · Jul – Nov 2021

134 m
Deepest dive
6:37
Longest dive
101
Dives
Sightings
6
Days between first and last sighting
96

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 2021347 m16.3°C72 m
Aug 25, 2021151 m16.6°C134 m
Aug 25, 2021203 m16.6°C60 m
Aug 27, 202192 m16.5°C77 m
Aug 28, 2021405 m16.7°C134 m
Nov 4, 2021188 m15.2°C97 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
Jul 31, 2021 — seafloor 347 m (measured), deepest dive 72 m (modelled)Jul 31Aug 25, 2021 — seafloor 151 m (measured), deepest dive 134 m (modelled)Aug 25Aug 25, 2021 — seafloor 203 m (measured), deepest dive 60 m (modelled)Aug 25Aug 27, 2021 — seafloor 92 m (measured), deepest dive 77 m (modelled)Aug 27Aug 28, 2021 — seafloor 405 m (measured), deepest dive 134 m (modelled)Aug 28Nov 4, 2021 — seafloor 188 m (measured), deepest dive 97 m (modelled)Nov 4

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

Dives

134 m
Deepest dive
6:37
Longest dive
101
Dives
28 m
Avg dive depth
6
Sightings
96
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150134 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (151 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 · Aug 28, 2021

measured
Seafloor depth
405 m
Sea-surface temperature
16.7°C
Distance from shore
9.0 km

Across the residency · 6 sightings

measured
Seafloor depth
92 m – 405 m
Sea-surface temperature
15.2°C – 16.7°C
Distance from shore
2.0 km – 15.0 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 6 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.