CRC-21591 – Residency
4th sighting in Santa Barbara Channel
CRC-21591 @99243
Aug 15 – Oct 5, 2025 · Santa Barbara Channel
Santa Barbara Channel · Aug – Oct 2025
159 m
Deepest dive
4:44
Longest dive
76
Dives
- Sightings
- 5
- Days between first and last sighting
- 51
- Deepest dive on record
- 159 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) |
|---|---|---|---|
| Aug 15, 2025 | 510 m | — | 50 m |
| Aug 16, 2025 | 337 m | — | 107 m |
| Aug 21, 2025 | 156 m | — | 51 m |
| Aug 22, 2025 | 289 m | — | 136 m |
| Oct 5, 2025 | 893 m | — | 159 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
159 m
Deepest dive
4:44
Longest dive
76
Dives
30 m
Avg dive depth
5
Sightings
51
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 (893 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Oct 5, 2025
measured- Seafloor depth
- 893 m
- Sea-surface temperature
- —
- Distance from shore
- 21.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 156 m – 893 m
- Sea-surface temperature
- —
- Distance from shore
- 10.0 km – 21.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.