Lefty – Residency
47th sighting in Monterey Bay
Lefty @934
Apr 17 – May 4, 2019 · Monterey Bay
Monterey Bay · Apr – May 2019
225 m
Deepest dive
11:15
Longest dive
89
Dives
- Sightings
- 11
- Days between first and last sighting
- 17
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Apr 17, 2019 | 855 m | 12.6°C | 34 m |
| Apr 18, 2019 | 74 m | 13.2°C | 65 m |
| Apr 22, 2019 | 254 m | 12.5°C | 58 m |
| Apr 25, 2019 | 119 m | 12.7°C | 83 m |
| Apr 29, 2019 | 54 m | 13.2°C | 34 m |
| May 1, 2019 | 60 m | 13.4°C | 37 m |
| May 2, 2019 | 242 m | 13.7°C | 45 m |
| May 3, 2019 | 49 m | 14.2°C | 30 m |
| May 4, 2019 | 53 m | 14.3°C | 46 m |
| May 4, 2019 | 254 m | 14.2°C | 225 m |
| May 4, 2019 | 77 m | 14.3°C | 15 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
225 m
Deepest dive
11:15
Longest dive
89
Dives
23 m
Avg dive depth
11
Sightings
17
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 (254 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 4, 2019
measured- Seafloor depth
- 254 m
- Sea-surface temperature
- 14.2°C
- Distance from shore
- 4.0 km
Across the residency · 11 sightings
measured- Seafloor depth
- 49 m – 855 m
- Sea-surface temperature
- 12.5°C – 14.3°C
- Distance from shore
- 4.0 km – 16.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 11 catalogued encounters on Happywhale.