2023-2024 calf of CRC-15420 – Residency
7th sighting in Santa Barbara Channel
2023-2024 calf of CRC-15420 @129820
Jul 11 – Sep 16, 2026 · Santa Barbara Channel
Channel light, full season
Late summer bait balling against the islands, and me right there for it.
139 m
Deepest dive
7:04
Longest dive
21
Dives
- Sightings
- 3
- Days between first and last sighting
- 67
- Deepest dive on record
- 139 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) |
|---|---|---|---|
| Jul 11, 2026 | 235 m | 19.0°C | 115 m |
| Jul 13, 2026 | 128 m | 19.5°C | 31 m |
| Sep 16, 2026 | 301 m | 15.5°C | 139 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
139 m
Deepest dive
7:04
Longest dive
21
Dives
31 m
Avg dive depth
3
Sightings
67
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 (301 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 16, 2026
measured- Seafloor depth
- 301 m
- Sea-surface temperature
- 15.5°C
- Distance from shore
- 7.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- 128 m – 301 m
- Sea-surface temperature
- 15.5°C – 19.5°C
- Distance from shore
- 7.0 km – 19.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 3 catalogued encounters on Happywhale.