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

Finneas Notch – Residency

23rd sighting in Monterey Bay
Fluke of Finneas Notch
Finneas Notch Confirmed in the catalog @132436
Aug 21 – Dec 30, 2025 · Monterey Bay

Monterey Bay · Aug – Dec 2025

138 m
Deepest dive
5:41
Longest dive
140
Dives
Sightings
12
Days between first and last sighting
131
Deepest dive on record
138 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 21, 202514 m—10 m
Aug 27, 20253 m—3 m
Sep 23, 202573 m—60 m
Sep 25, 2025145 m—40 m
Sep 28, 2025254 m—126 m
Sep 30, 2025144 m—49 m
Dec 12, 202586 m—55 m
Dec 14, 202510 m—8 m
Dec 20, 2025538 m—34 m
Dec 20, 202576 m—46 m
Dec 23, 202572 m—59 m
Dec 30, 2025428 m—138 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 21, 2025 — seafloor 14 m (measured), deepest dive 10 m (modelled)Aug 21Aug 27, 2025 — seafloor 3 m (measured), deepest dive 3 m (modelled)Aug 27Sep 23, 2025 — seafloor 73 m (measured), deepest dive 60 m (modelled)Sep 23Sep 25, 2025 — seafloor 145 m (measured), deepest dive 40 m (modelled)Sep 25Sep 28, 2025 — seafloor 254 m (measured), deepest dive 126 m (modelled)Sep 28Sep 30, 2025 — seafloor 144 m (measured), deepest dive 49 m (modelled)Sep 30Dec 12, 2025 — seafloor 86 m (measured), deepest dive 55 m (modelled)Dec 12Dec 14, 2025 — seafloor 10 m (measured), deepest dive 8 m (modelled)Dec 14Dec 20, 2025 — seafloor 538 m (measured), deepest dive 34 m (modelled)Dec 20Dec 20, 2025 — seafloor 76 m (measured), deepest dive 46 m (modelled)Dec 20Dec 23, 2025 — seafloor 72 m (measured), deepest dive 59 m (modelled)Dec 23Dec 30, 2025 — seafloor 428 m (measured), deepest dive 138 m (modelled)Dec 30

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

Dives

138 m
Deepest dive
5:41
Longest dive
140
Dives
19 m
Avg dive depth
12
Sightings
131
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150138 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (428 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 30, 2025

measured
Seafloor depth
428 m
Sea-surface temperature
—
Distance from shore
11.0 km

Across the residency · 12 sightings

measured
Seafloor depth
3 m – 538 m
Sea-surface temperature
—
Distance from shore
1.0 km – 11.0 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 12 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.