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Monterey Bay

CRC-23398 – Residency

31st sighting in Monterey Bay
Fluke of CRC-23398
CRC-23398 Confirmed in the catalog @139243
Apr 9, 2025 – Jan 11, 2026 · Monterey Bay

Monterey Bay · Apr 2025 – Jan 2026

193 m
Deepest dive
6:41
Longest dive
366
Dives
Sightings
31
Days between first and last sighting
277
Deepest dive on record
193 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Apr 9, 2025105 m—59 m
Apr 17, 2025197 m—76 m
Apr 18, 202570 m—52 m
Apr 22, 202566 m—48 m
Apr 25, 202571 m—35 m
Apr 26, 2025134 m—78 m
Apr 26, 202571 m—56 m
Apr 30, 2025108 m—70 m
May 2, 2025567 m—144 m
May 5, 202558 m—28 m
May 6, 2025103 m—54 m
May 19, 202560 m—50 m
May 20, 202581 m—58 m
May 24, 202576 m—69 m
Jun 8, 202568 m—30 m
Aug 31, 202574 m—40 m
Sep 2, 202563 m—41 m
Sep 5, 202580 m—61 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
Apr 9, 2025 — seafloor 105 m (measured), deepest dive 59 m (modelled)Apr 9Apr 17, 2025 — seafloor 197 m (measured), deepest dive 76 m (modelled)Apr 18, 2025 — seafloor 70 m (measured), deepest dive 52 m (modelled)Apr 22, 2025 — seafloor 66 m (measured), deepest dive 48 m (modelled)Apr 25, 2025 — seafloor 71 m (measured), deepest dive 35 m (modelled)Apr 26, 2025 — seafloor 134 m (measured), deepest dive 78 m (modelled)Apr 26, 2025 — seafloor 71 m (measured), deepest dive 56 m (modelled)Apr 26Apr 30, 2025 — seafloor 108 m (measured), deepest dive 70 m (modelled)May 2, 2025 — seafloor 567 m (measured), deepest dive 144 m (modelled)May 5, 2025 — seafloor 58 m (measured), deepest dive 28 m (modelled)May 6, 2025 — seafloor 103 m (measured), deepest dive 54 m (modelled)May 19, 2025 — seafloor 60 m (measured), deepest dive 50 m (modelled)May 20, 2025 — seafloor 81 m (measured), deepest dive 58 m (modelled)May 20May 24, 2025 — seafloor 76 m (measured), deepest dive 69 m (modelled)Jun 8, 2025 — seafloor 68 m (measured), deepest dive 30 m (modelled)Aug 31, 2025 — seafloor 74 m (measured), deepest dive 40 m (modelled)Sep 2, 2025 — seafloor 63 m (measured), deepest dive 41 m (modelled)Sep 5, 2025 — seafloor 80 m (measured), deepest dive 61 m (modelled)Sep 8, 2025 — seafloor 122 m (measured), deepest dive 87 m (modelled)Sep 8Sep 8, 2025 — seafloor 66 m (measured), deepest dive 49 m (modelled)Sep 10, 2025 — seafloor 68 m (measured), deepest dive 38 m (modelled)Sep 15, 2025 — seafloor 69 m (measured), deepest dive 56 m (modelled)Sep 16, 2025 — seafloor 125 m (measured), deepest dive 40 m (modelled)Sep 21, 2025 — seafloor 567 m (measured), deepest dive 193 m (modelled)Oct 20, 2025 — seafloor 13 m (measured), deepest dive 12 m (modelled)Oct 20Dec 13, 2025 — seafloor 196 m (measured), deepest dive 96 m (modelled)Dec 14, 2025 — seafloor 71 m (measured), deepest dive 14 m (modelled)Dec 27, 2025 — seafloor 186 m (measured), deepest dive 89 m (modelled)Dec 30, 2025 — seafloor 448 m (measured), deepest dive 65 m (modelled)Jan 10, 2026 — seafloor 75 m (measured), deepest dive 64 m (modelled)Jan 11, 2026 — seafloor 74 m (measured), deepest dive 40 m (modelled)Jan 11

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

Dives

193 m
Deepest dive
6:41
Longest dive
366
Dives
23 m
Avg dive depth
31
Sightings
277
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200193 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (567 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 21, 2025

measured
Seafloor depth
567 m
Sea-surface temperature
—
Distance from shore
16.0 km

Across the residency · 31 sightings

measured
Seafloor depth
13 m – 567 m
Sea-surface temperature
14.2°C – 14.2°C
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 31 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.