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

Derby Girl – Residency

11th sighting in Monterey Bay
Fluke of Derby Girl
Derby Girl Confirmed in the catalog @3838
Aug 20 – Oct 10, 2017 · Monterey Bay

Monterey Bay · Aug – Oct 2017

126 m
Deepest dive
3:18
Longest dive
116
Dives
Sightings
10
Days between first and last sighting
51

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 20, 201744 m—27 m
Aug 21, 2017203 m—126 m
Aug 27, 201752 m—46 m
Sep 1, 2017109 m—37 m
Sep 16, 2017254 m—82 m
Sep 23, 2017567 m—77 m
Sep 24, 2017438 m—77 m
Sep 25, 2017343 m—42 m
Oct 3, 2017278 m—72 m
Oct 10, 2017248 m—33 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
Aug 20, 2017 — seafloor 44 m (measured), deepest dive 27 m (modelled)Aug 20Aug 21, 2017 — seafloor 203 m (measured), deepest dive 126 m (modelled)Aug 21Aug 27, 2017 — seafloor 52 m (measured), deepest dive 46 m (modelled)Aug 27Sep 1, 2017 — seafloor 109 m (measured), deepest dive 37 m (modelled)Sep 1Sep 16, 2017 — seafloor 254 m (measured), deepest dive 82 m (modelled)Sep 16Sep 23, 2017 — seafloor 567 m (measured), deepest dive 77 m (modelled)Sep 23Sep 24, 2017 — seafloor 438 m (measured), deepest dive 77 m (modelled)Sep 24Sep 25, 2017 — seafloor 343 m (measured), deepest dive 42 m (modelled)Sep 25Oct 3, 2017 — seafloor 278 m (measured), deepest dive 72 m (modelled)Oct 3Oct 10, 2017 — seafloor 248 m (measured), deepest dive 33 m (modelled)Oct 10

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

Dives

126 m
Deepest dive
3:18
Longest dive
116
Dives
24 m
Avg dive depth
10
Sightings
51
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150126 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (203 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 21, 2017

measured
Seafloor depth
203 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 10 sightings

measured
Seafloor depth
44 m – 567 m
Sea-surface temperature
—
Distance from shore
2.0 km – 16.0 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 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.