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Monterey Bay

CRC-12431 – Residency

31st sighting in Monterey Bay
Fluke of CRC-12431
CRC-12431 Confirmed in the catalog @1508
Jun 20 – Oct 9, 2026 · Monterey Bay

Cold Water Loyalty

Late summer, same shelf-edge water, and I'm exactly where I belong.

192 m
Deepest dive
5:44
Longest dive
88
Dives
Sightings
9
Days between first and last sighting
111

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jun 20, 202663 m16.0°C52 m
Sep 18, 2026254 m15.9°C192 m
Sep 24, 2026182 m16.8°C53 m
Sep 25, 2026189 m16.5°C88 m
Sep 28, 2026273 m16.6°C63 m
Sep 29, 2026140 m16.7°C117 m
Oct 4, 2026567 m17.9°C85 m
Oct 5, 2026184 m17.9°C71 m
Oct 9, 2026172 m17.7°C87 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
Jun 20, 2026 — seafloor 63 m (measured), deepest dive 52 m (modelled)Jun 20Sep 18, 2026 — seafloor 254 m (measured), deepest dive 192 m (modelled)Sep 18Sep 24, 2026 — seafloor 182 m (measured), deepest dive 53 m (modelled)Sep 24Sep 25, 2026 — seafloor 189 m (measured), deepest dive 88 m (modelled)Sep 25Sep 28, 2026 — seafloor 273 m (measured), deepest dive 63 m (modelled)Sep 28Sep 29, 2026 — seafloor 140 m (measured), deepest dive 117 m (modelled)Sep 29Oct 4, 2026 — seafloor 567 m (measured), deepest dive 85 m (modelled)Oct 4Oct 5, 2026 — seafloor 184 m (measured), deepest dive 71 m (modelled)Oct 5Oct 9, 2026 — seafloor 172 m (measured), deepest dive 87 m (modelled)Oct 9

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

Dives

192 m
Deepest dive
5:44
Longest dive
88
Dives
31 m
Avg dive depth
9
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200192 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (254 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 · Sep 18, 2026

measured
Seafloor depth
254 m
Sea-surface temperature
15.9°C
Distance from shore
4.0 km

Across the residency · 9 sightings

measured
Seafloor depth
63 m – 567 m
Sea-surface temperature
15.9°C – 17.9°C
Distance from shore
2.0 km – 16.0 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 9 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.