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

Shadow – Residency

39th sighting in Monterey Bay
Fluke of Shadow
Shadow Confirmed in the catalog @3685
May 17 – Aug 17, 2025 · Monterey Bay

Monterey Bay · May – Aug 2025

180 m
Deepest dive
6:13
Longest dive
85
Dives
Sightings
10
Days between first and last sighting
92

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 17, 202565 m12.6°C32 m
May 17, 202565 m12.6°C40 m
May 22, 2025267 m12.5°C180 m
Jun 9, 2025330 m14.8°C76 m
Aug 7, 202566 m15.3°C54 m
Aug 9, 2025821 m15.2°C110 m
Aug 13, 202588 m15.4°C48 m
Aug 16, 202589 m15.5°C69 m
Aug 17, 202589 m15.7°C37 m
Aug 17, 202571 m15.7°C61 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 17, 2025 — seafloor 65 m (measured), deepest dive 32 m (modelled)May 17May 17, 2025 — seafloor 65 m (measured), deepest dive 40 m (modelled)May 17May 22, 2025 — seafloor 267 m (measured), deepest dive 180 m (modelled)May 22Jun 9, 2025 — seafloor 330 m (measured), deepest dive 76 m (modelled)Jun 9Aug 7, 2025 — seafloor 66 m (measured), deepest dive 54 m (modelled)Aug 7Aug 9, 2025 — seafloor 821 m (measured), deepest dive 110 m (modelled)Aug 9Aug 13, 2025 — seafloor 88 m (measured), deepest dive 48 m (modelled)Aug 13Aug 16, 2025 — seafloor 89 m (measured), deepest dive 69 m (modelled)Aug 16Aug 17, 2025 — seafloor 89 m (measured), deepest dive 37 m (modelled)Aug 17Aug 17, 2025 — seafloor 71 m (measured), deepest dive 61 m (modelled)Aug 17

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

Dives

180 m
Deepest dive
6:13
Longest dive
85
Dives
25 m
Avg dive depth
10
Sightings
92
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200180 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (267 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 · May 22, 2025

measured
Seafloor depth
267 m
Sea-surface temperature
12.5°C
Distance from shore
13.0 km

Across the residency · 10 sightings

measured
Seafloor depth
65 m – 821 m
Sea-surface temperature
12.5°C – 15.7°C
Distance from shore
2.0 km – 13.0 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 10 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.