Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Iceland

Drogon – Residency

60th sighting in Iceland
Fluke of Drogon
Drogon Confirmed in the catalog @37706
Sep 30 – Dec 7, 2025 · Iceland

Iceland · Sep – Dec 2025

78 m
Deepest dive
3:46
Longest dive
147
Dives
Sightings
13
Days between first and last sighting
68

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Sep 30, 2025110 m6.2°C60 m
Oct 15, 2025118 m6.8°C24 m
Oct 16, 2025118 m6.7°C49 m
Oct 20, 2025109 m6.4°C27 m
Nov 9, 202593 m5.4°C70 m
Nov 10, 2025101 m5.1°C51 m
Nov 11, 202571 m5.2°C41 m
Nov 12, 202587 m5.2°C64 m
Nov 20, 202595 m4.9°C75 m
Nov 27, 202572 m4.2°C45 m
Nov 28, 202572 m3.8°C48 m
Dec 4, 202587 m4.0°C78 m
Dec 7, 202593 m4.7°C40 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Sep 30, 2025 — seafloor 110 m (measured), deepest dive 60 m (modelled)Sep 30Oct 15, 2025 — seafloor 118 m (measured), deepest dive 24 m (modelled)Oct 16, 2025 — seafloor 118 m (measured), deepest dive 49 m (modelled)Oct 20, 2025 — seafloor 109 m (measured), deepest dive 27 m (modelled)Oct 20Nov 9, 2025 — seafloor 93 m (measured), deepest dive 70 m (modelled)Nov 10, 2025 — seafloor 101 m (measured), deepest dive 51 m (modelled)Nov 11, 2025 — seafloor 71 m (measured), deepest dive 41 m (modelled)Nov 11Nov 12, 2025 — seafloor 87 m (measured), deepest dive 64 m (modelled)Nov 20, 2025 — seafloor 95 m (measured), deepest dive 75 m (modelled)Nov 27, 2025 — seafloor 72 m (measured), deepest dive 45 m (modelled)Nov 27Nov 28, 2025 — seafloor 72 m (measured), deepest dive 48 m (modelled)Dec 4, 2025 — seafloor 87 m (measured), deepest dive 78 m (modelled)Dec 7, 2025 — seafloor 93 m (measured), deepest dive 40 m (modelled)Dec 7

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

78 m
Deepest dive
3:46
Longest dive
147
Dives
20 m
Avg dive depth
13
Sightings
68
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010078 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (87 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Dec 4, 2025

measured
Seafloor depth
87 m
Sea-surface temperature
4.0°C
Distance from shore
2.0 km

Across the residency · 13 sightings

measured
Seafloor depth
71 m – 118 m
Sea-surface temperature
3.8°C – 6.8°C
Distance from shore
2.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 13 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.