Hopper – Residency
123rd sighting in Monterey Bay
Hopper @7100
Jun 30 – Sep 17, 2025 · Monterey Bay
Monterey Bay · Jun – Sep 2025
103 m
Deepest dive
4:29
Longest dive
61
Dives
- Sightings
- 5
- Days between first and last sighting
- 79
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 30, 2025 | 1,431 m | 12.9°C | 103 m |
| Jul 14, 2025 | 85 m | 13.0°C | 43 m |
| Jul 17, 2025 | 85 m | 15.6°C | 71 m |
| Jul 17, 2025 | 53 m | 15.6°C | 45 m |
| Sep 17, 2025 | 391 m | 18.1°C | 85 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
103 m
Deepest dive
4:29
Longest dive
61
Dives
26 m
Avg dive depth
5
Sightings
79
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 (1,431 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 30, 2025
measured- Seafloor depth
- 1,431 m
- Sea-surface temperature
- 12.9°C
- Distance from shore
- 10.0 km
Across the residency · 5 sightings
measured- Seafloor depth
- 53 m – 1,431 m
- Sea-surface temperature
- 12.9°C – 18.1°C
- Distance from shore
- 3.0 km – 15.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 5 catalogued encounters on Happywhale.