Dark Knight – Residency
43rd sighting in Iceland
Dark Knight @25082
Aug 30 – Sep 27, 2025 · Iceland
Iceland · Aug – Sep 2025
58 m
Deepest dive
1:50
Longest dive
12
Dives
- Sightings
- 3
- Days between first and last sighting
- 28
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Aug 30, 2025 | -0 m | 9.2°C | — |
| Sep 26, 2025 | 90 m | 7.4°C | 19 m |
| Sep 27, 2025 | 101 m | 6.7°C | 58 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
58 m
Deepest dive
1:50
Longest dive
12
Dives
19 m
Avg dive depth
3
Sightings
28
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 (101 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Sep 27, 2025
measured- Seafloor depth
- 101 m
- Sea-surface temperature
- 6.7°C
- Distance from shore
- 2.0 km
Across the residency · 3 sightings
measured- Seafloor depth
- -0 m – 101 m
- Sea-surface temperature
- 6.7°C – 9.2°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 3 catalogued encounters on Happywhale.