Riddler – Residency
12th sighting in Lynn Canal & Stephens Passage
Riddler @18248
Aug 23 – Sep 25, 2020 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · Aug – Sep 2020
133 m
Deepest dive
4:40
Longest dive
40
Dives
- Sightings
- 6
- Days between first and last sighting
- 33
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 23, 2020 | 83 m | 11.8°C | 67 m |
| Aug 27, 2020 | 97 m | 12.2°C | 84 m |
| Sep 3, 2020 | 94 m | 10.5°C | 76 m |
| Sep 7, 2020 | 69 m | 10.2°C | 52 m |
| Sep 24, 2020 | 435 m | 9.3°C | 133 m |
| Sep 25, 2020 | 123 m | 9.4°C | 77 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
4:40
Longest dive
40
Dives
33 m
Avg dive depth
6
Sightings
33
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 (435 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 24, 2020
measured- Seafloor depth
- 435 m
- Sea-surface temperature
- 9.3°C
- Distance from shore
- 2.0 km
Across the residency · 6 sightings
measured- Seafloor depth
- 69 m – 435 m
- Sea-surface temperature
- 9.3°C – 12.2°C
- Distance from shore
- 1.0 km – 2.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 6 catalogued encounters on Happywhale.