Hippocampus – Residency
21st sighting in Gulf of MaineHippocampus @12747
Jun 13 – Jul 24, 2026 · Gulf of Maine
Sandy Banks, Full Season
Cold green water, plenty of company, and I keep showing my face.
34 m
Deepest dive
1:57
Longest dive
112
Dives
- Sightings
- 9
- Days between first and last sighting
- 41
Dive stats modelled within real depth limits — not measured
Get actual dive data with Risa Deep →| Sighting | Seafloor | Sea temp | Deepest dive (modelled) |
|---|---|---|---|
| Jun 13, 2026 | 28 m | 17.9°C | 26 m |
| Jun 19, 2026 | 25 m | 16.0°C | 22 m |
| Jun 19, 2026 | 44 m | 16.3°C | 31 m |
| Jun 29, 2026 | 28 m | 17.9°C | 23 m |
| Jun 29, 2026 | 27 m | 17.8°C | 22 m |
| Jun 30, 2026 | 46 m | 18.5°C | 28 m |
| Jul 10, 2026 | 20 m | 20.7°C | 18 m |
| Jul 12, 2026 | 25 m | 20.2°C | 17 m |
| Jul 24, 2026 | 46 m | 19.3°C | 34 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
34 m
Deepest dive
1:57
Longest dive
112
Dives
15 m
Avg dive depth
9
Sightings
41
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 (46 m) and the published dive-behaviour distribution. Modelled, not measured.
Deep Effort Score
DeepPlace
Where this happened · Jul 24, 2026
measured- Seafloor depth
- 46 m
- Sea-surface temperature
- 19.3°C
- Distance from shore
- 9.0 km
Across the residency · 9 sightings
measured- Seafloor depth
- 20 m – 46 m
- Sea-surface temperature
- 16.0°C – 20.7°C
- Distance from shore
- 9.0 km – 25.0 km
Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance
Source records
This activity is assembled from 9 catalogued encounters on Happywhale.