Trilemma – Residency
1st sighting in Lynn Canal & Stephens Passage
Trilemma @25174
May 21 – Jun 7, 2022 · Lynn Canal & Stephens Passage
Lynn Canal & Stephens Passage · May – Jun 2022
28 m
Deepest dive
1:33
Longest dive
15
Dives
- Sightings
- 2
- 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) |
|---|---|---|---|
| May 21, 2022 | 22 m | — | 20 m |
| Jun 7, 2022 | 41 m | — | 28 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
28 m
Deepest dive
1:33
Longest dive
15
Dives
14 m
Avg dive depth
2
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 (41 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jun 7, 2022
measured- Seafloor depth
- 41 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Across the residency · 2 sightings
measured- Seafloor depth
- 22 m – 41 m
- Sea-surface temperature
- —
- Distance from shore
- 2.0 km
Sources: GEBCO seafloor grid · PacIOOS coastline distance
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.