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

Stego – Residency

21st sighting in Monterey Bay
Fluke of Stego
Stego Confirmed in the catalog @247
May 6 – Sep 21, 2019 · Monterey Bay

Monterey Bay · May – Sep 2019

87 m
Deepest dive
3:45
Longest dive
14
Dives
Sightings
4
Days between first and last sighting
138

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 6, 2019123 m14.2°C—
Jun 22, 2019100 m15.2°C—
Aug 28, 201994 m16.0°C44 m
Sep 21, 2019387 m15.5°C87 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
May 6, 2019 — seafloor 123 m (measured), deepest dive — (modelled)May 6Jun 22, 2019 — seafloor 100 m (measured), deepest dive — (modelled)Jun 22Aug 28, 2019 — seafloor 94 m (measured), deepest dive 44 m (modelled)Aug 28Sep 21, 2019 — seafloor 387 m (measured), deepest dive 87 m (modelled)Sep 21

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

Dives

87 m
Deepest dive
3:45
Longest dive
14
Dives
26 m
Avg dive depth
4
Sightings
138
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010087 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (387 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 21, 2019

measured
Seafloor depth
387 m
Sea-surface temperature
15.5°C
Distance from shore
10.0 km

Across the residency · 4 sightings

measured
Seafloor depth
94 m – 387 m
Sea-surface temperature
14.2°C – 16.0°C
Distance from shore
7.0 km – 11.0 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.