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

Christopher Robin – Residency

4th sighting in Monterey Bay
Fluke of Christopher Robin
Christopher Robin Confirmed in the catalog @106549
Nov 18 – Dec 26, 2022 · Monterey Bay

Monterey Bay · Nov – Dec 2022

65 m
Deepest dive
2:52
Longest dive
51
Dives
Sightings
4
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 18, 202265 m—60 m
Nov 26, 2022104 m—26 m
Dec 14, 202229 m—13 m
Dec 26, 202279 m—65 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
Nov 18, 2022 — seafloor 65 m (measured), deepest dive 60 m (modelled)Nov 18Nov 26, 2022 — seafloor 104 m (measured), deepest dive 26 m (modelled)Nov 26Dec 14, 2022 — seafloor 29 m (measured), deepest dive 13 m (modelled)Dec 14Dec 26, 2022 — seafloor 79 m (measured), deepest dive 65 m (modelled)Dec 26

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

Dives

65 m
Deepest dive
2:52
Longest dive
51
Dives
20 m
Avg dive depth
4
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010065 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (79 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 26, 2022

measured
Seafloor depth
79 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
29 m – 104 m
Sea-surface temperature
—
Distance from shore
1.0 km – 14.0 km

Sources: GEBCO seafloor grid · 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.