Derby Girl – Residency
14th sighting in Monterey Bay
Derby Girl @3838
Aug 10 – 14, 2025 · Monterey Bay
Monterey Bay · Aug 2025
102 m
Deepest dive
3:30
Longest dive
42
Dives
- Sightings
- 2
- Days between first and last sighting
- 4
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 10, 2025 | 567 m | — | 102 m |
| Aug 14, 2025 | 101 m | — | 54 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
102 m
Deepest dive
3:30
Longest dive
42
Dives
27 m
Avg dive depth
2
Sightings
4
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 · Aug 10, 2025
measured- Seafloor depth
- 567 m
- Sea-surface temperature
- —
- Distance from shore
- 16.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 101 m – 567 m
- Sea-surface temperature
- —
- Distance from shore
- 3.0 km – 16.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.