Alien – Residency
3rd sighting in Madagascar & Mascarenes
Alien @94717
Jul 27 – Sep 22, 2022 · Madagascar & Mascarenes
Madagascar & Mascarenes · Jul – Sep 2022
123 m
Deepest dive
3:58
Longest dive
24
Dives
- Sightings
- 2
- Days between first and last sighting
- 58
- Deepest dive on record
- 123 m · this residency
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jul 27, 2022 | 583 m | — | 123 m |
| Sep 22, 2022 | 77 m | — | 65 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
123 m
Deepest dive
3:58
Longest dive
24
Dives
33 m
Avg dive depth
2
Sightings
58
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 (583 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 27, 2022
measured- Seafloor depth
- 583 m
- Sea-surface temperature
- —
- Distance from shore
- —
Across the residency · 2 sightings
measured- Seafloor depth
- 77 m – 583 m
- Sea-surface temperature
- —
- Distance from shore
- —
Sources: GEBCO seafloor grid
Source records
This activity is assembled from 2 catalogued encounters on Happywhale.