Riddler – Residency
9th sighting in Lynn Canal & Stephens Passage
Riddler @18248
Jul 1 – Dec 13, 2019 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · Jul – Dec 2019
78 m
Deepest dive
3:47
Longest dive
69
Dives
- Sightings
- 12
- Days between first and last sighting
- 164
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 1, 2019 | 115 m | 13.7°C | — |
| Jul 5, 2019 | 122 m | 13.7°C | — |
| Jul 6, 2019 | 109 m | 13.7°C | — |
| Jul 19, 2019 | 91 m | 13.0°C | — |
| Jul 22, 2019 | 107 m | 13.6°C | — |
| Aug 5, 2019 | 107 m | 14.2°C | — |
| Aug 6, 2019 | 162 m | 15.2°C | — |
| Sep 4, 2019 | 84 m | 10.9°C | 66 m |
| Sep 10, 2019 | 90 m | 12.3°C | 73 m |
| Sep 19, 2019 | 107 m | 11.8°C | 78 m |
| Sep 19, 2019 | 72 m | 11.8°C | 41 m |
| Dec 13, 2019 | 93 m | 7.1°C | 66 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
78 m
Deepest dive
3:47
Longest dive
69
Dives
22 m
Avg dive depth
12
Sightings
164
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 (107 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 19, 2019
measured- Seafloor depth
- 107 m
- Sea-surface temperature
- 11.8°C
- Distance from shore
- 1.0 km
Across the residency · 12 sightings
measured- Seafloor depth
- 72 m – 162 m
- Sea-surface temperature
- 7.1°C – 15.2°C
- Distance from shore
- 1.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 12 catalogued encounters on Happywhale.