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Monterey Bay

Fallon – Residency

161st sighting in Monterey Bay
Fluke of Fallon
Fallon Confirmed in the catalog @4517
May 23 – Oct 14, 2026 · Monterey Bay

Summer on the Shelf

The canyon feeds me, the cliffs watch, life's good out here.

361 m
Deepest dive
12:17
Longest dive
160
Dives
Sightings
15
Days between first and last sighting
143

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 23, 2026116 m12.4°C82 m
May 29, 202680 m13.6°C68 m
Jul 2, 202629 m15.6°C21 m
Aug 29, 2026306 m15.5°C95 m
Sep 21, 2026188 m16.7°C33 m
Sep 24, 2026109 m16.8°C62 m
Sep 27, 202663 m16.6°C48 m
Sep 28, 202673 m16.5°C46 m
Sep 30, 2026147 m16.6°C103 m
Oct 2, 2026254 m17.9°C113 m
Oct 3, 2026155 m18.0°C53 m
Oct 11, 2026599 m17.3°C361 m
Oct 12, 2026143 m16.8°C45 m
Oct 13, 2026153 m17.1°C79 m
Oct 14, 2026136 m17.5°C80 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 23, 2026 — seafloor 116 m (measured), deepest dive 82 m (modelled)May 23May 29, 2026 — seafloor 80 m (measured), deepest dive 68 m (modelled)Jul 2, 2026 — seafloor 29 m (measured), deepest dive 21 m (modelled)Aug 29, 2026 — seafloor 306 m (measured), deepest dive 95 m (modelled)Aug 29Sep 21, 2026 — seafloor 188 m (measured), deepest dive 33 m (modelled)Sep 24, 2026 — seafloor 109 m (measured), deepest dive 62 m (modelled)Sep 27, 2026 — seafloor 63 m (measured), deepest dive 48 m (modelled)Sep 27Sep 28, 2026 — seafloor 73 m (measured), deepest dive 46 m (modelled)Sep 30, 2026 — seafloor 147 m (measured), deepest dive 103 m (modelled)Oct 2, 2026 — seafloor 254 m (measured), deepest dive 113 m (modelled)Oct 2Oct 3, 2026 — seafloor 155 m (measured), deepest dive 53 m (modelled)Oct 11, 2026 — seafloor 599 m (measured), deepest dive 361 m (modelled)Oct 12, 2026 — seafloor 143 m (measured), deepest dive 45 m (modelled)Oct 12Oct 13, 2026 — seafloor 153 m (measured), deepest dive 79 m (modelled)Oct 14, 2026 — seafloor 136 m (measured), deepest dive 80 m (modelled)

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

Dives

361 m
Deepest dive
12:17
Longest dive
160
Dives
30 m
Avg dive depth
15
Sightings
143
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0200400361 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (599 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 · Oct 11, 2026

measured
Seafloor depth
599 m
Sea-surface temperature
17.3°C
Distance from shore
13.0 km

Across the residency · 15 sightings

measured
Seafloor depth
29 m – 599 m
Sea-surface temperature
12.4°C – 18.0°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 15 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.