Big Mama – Residency
37th sighting in Salish Sea
Big Mama @2120
May 17 – Aug 10, 2017 · Salish Sea
Salish Sea · May – Aug 2017
84 m
Deepest dive
3:12
Longest dive
54
Dives
- Sightings
- 7
- Days between first and last sighting
- 85
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| May 17, 2017 | 85 m | 12.8°C | 47 m |
| May 27, 2017 | 96 m | 10.8°C | 59 m |
| Jun 30, 2017 | 193 m | 15.8°C | 72 m |
| Jul 14, 2017 | 155 m | 11.2°C | 84 m |
| Jul 17, 2017 | 105 m | 11.8°C | 42 m |
| Jul 21, 2017 | 136 m | 11.8°C | 53 m |
| Aug 10, 2017 | 195 m | 17.4°C | 27 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
84 m
Deepest dive
3:12
Longest dive
54
Dives
23 m
Avg dive depth
7
Sightings
85
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 (155 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 14, 2017
measured- Seafloor depth
- 155 m
- Sea-surface temperature
- 11.2°C
- Distance from shore
- 3.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 85 m – 195 m
- Sea-surface temperature
- 10.8°C – 17.4°C
- Distance from shore
- 1.0 km – 14.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.