Etch-a-Sketch – Residency
22nd sighting in Gulf of MaineEtch-a-Sketch @16939
May 1 – Sep 15, 2026 · Gulf of Maine
The Cold Drop Ledge
Bottom fell away just right, water honest and cold — good eating.
69 m
Deepest dive
3:20
Longest dive
64
Dives
- Sightings
- 7
- Days between first and last sighting
- 136
- Deepest dive on record
- 69 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) |
|---|---|---|---|
| May 1, 2026 | 98 m | 7.4°C | 69 m |
| May 2, 2026 | 64 m | 8.0°C | 43 m |
| May 2, 2026 | 36 m | 7.2°C | 32 m |
| Jul 10, 2026 | 39 m | 20.7°C | 35 m |
| Sep 12, 2026 | 40 m | 19.0°C | 35 m |
| Sep 13, 2026 | 57 m | — | 52 m |
| Sep 15, 2026 | 46 m | — | 31 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
69 m
Deepest dive
3:20
Longest dive
64
Dives
21 m
Avg dive depth
7
Sightings
136
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 (98 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · May 1, 2026
measured- Seafloor depth
- 98 m
- Sea-surface temperature
- 7.4°C
- Distance from shore
- 29.0 km
Across the residency · 7 sightings
measured- Seafloor depth
- 36 m – 98 m
- Sea-surface temperature
- 7.2°C – 20.7°C
- Distance from shore
- 9.0 km – 29.0 km
Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 7 catalogued encounters on Happywhale.