CRC-23503 – Residency
9th sighting in Monterey Bay
CRC-23503 @142555
Sep 28 – Oct 16, 2026 · Monterey Bay
Shallow Water, Good Company
Found my patch again, same two shadows drifting beside me.
153 m
Deepest dive
5:31
Longest dive
118
Dives
- Sightings
- 9
- Days between first and last sighting
- 18
- Deepest dive on record
- 153 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Sep 28, 2026 | 97 m | — | 73 m |
| Sep 30, 2026 | 567 m | — | 153 m |
| Oct 2, 2026 | 53 m | — | 48 m |
| Oct 3, 2026 | 155 m | — | 59 m |
| Oct 7, 2026 | 148 m | — | 95 m |
| Oct 12, 2026 | 183 m | — | 51 m |
| Oct 13, 2026 | 67 m | — | 48 m |
| Oct 14, 2026 | 229 m | — | 124 m |
| Oct 16, 2026 | 567 m | — | 53 m |
Seafloor and sea temperature measured · ✳ dives modelled
Deepest dive against the seafloor, per sighting
Seafloor · measured Deepest dive · modelledDepth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.
Dives
153 m
Deepest dive
5:31
Longest dive
118
Dives
28 m
Avg dive depth
9
Sightings
18
Days first → last
Dive metrics are modelled within real depth limits — not measured
Get actual dive data with Risa Deep →Dive profile
modelledDepth shaped by the seafloor limit here (567 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 30, 2026
measured- Seafloor depth
- 567 m
- Sea-surface temperature
- —
- Distance from shore
- 16.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 53 m – 567 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km – 16.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.