Big Mama – Residency
24th sighting in Salish Sea
Big Mama @2120
Mar 23 – Jun 27, 2015 · Salish Sea
Salish Sea · Mar – Jun 2015
133 m
Deepest dive
5:14
Longest dive
150
Dives
- Sightings
- 13
- Days between first and last sighting
- 97
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Mar 23, 2015 | 145 m | 8.5°C | 33 m |
| Mar 24, 2015 | 162 m | 8.5°C | 73 m |
| Mar 31, 2015 | 111 m | 9.1°C | 96 m |
| Apr 26, 2015 | 76 m | 9.7°C | 68 m |
| May 16, 2015 | 63 m | 9.7°C | 58 m |
| May 25, 2015 | 216 m | 13.6°C | 110 m |
| May 29, 2015 | 219 m | 15.3°C | 77 m |
| May 30, 2015 | 150 m | 14.5°C | 133 m |
| Jun 12, 2015 | 26 m | 11.0°C | 14 m |
| Jun 13, 2015 | 49 m | 10.6°C | 33 m |
| Jun 14, 2015 | 111 m | 10.8°C | 94 m |
| Jun 19, 2015 | 22 m | 11.9°C | 20 m |
| Jun 27, 2015 | 26 m | 12.8°C | 23 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
133 m
Deepest dive
5:14
Longest dive
150
Dives
25 m
Avg dive depth
13
Sightings
97
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 (150 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 30, 2015
measured- Seafloor depth
- 150 m
- Sea-surface temperature
- 14.5°C
- Distance from shore
- 2.0 km
Across the residency · 13 sightings
measured- Seafloor depth
- 22 m – 219 m
- Sea-surface temperature
- 8.5°C – 15.3°C
- Distance from shore
- 1.0 km – 6.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 13 catalogued encounters on Happywhale.