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

David Jones II – Residency

78th sighting in Iceland
Fluke of David Jones II
David Jones II Confirmed in the catalog @48273
Jun 25 – Oct 11, 2025 · Iceland

Iceland · Jun – Oct 2025

47 m
Deepest dive
2:15
Longest dive
88
Dives
Sightings
11
Days between first and last sighting
108

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 25, 202546 m10.1°C39 m
Jun 26, 202540 m10.1°C20 m
Jun 29, 202531 m10.7°C27 m
Jul 4, 202545 m11.2°C31 m
Aug 11, 202542 m12.1°C22 m
Aug 25, 202554 m8.6°C35 m
Aug 27, 202554 m11.9°C32 m
Aug 29, 202554 m12.6°C25 m
Aug 31, 202554 m12.4°C47 m
Sep 21, 202547 m10.3°C36 m
Oct 11, 202546 m9.5°C30 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
Jun 25, 2025 — seafloor 46 m (measured), deepest dive 39 m (modelled)Jun 25Jun 26, 2025 — seafloor 40 m (measured), deepest dive 20 m (modelled)Jun 26Jun 29, 2025 — seafloor 31 m (measured), deepest dive 27 m (modelled)Jun 29Jul 4, 2025 — seafloor 45 m (measured), deepest dive 31 m (modelled)Jul 4Aug 11, 2025 — seafloor 42 m (measured), deepest dive 22 m (modelled)Aug 11Aug 25, 2025 — seafloor 54 m (measured), deepest dive 35 m (modelled)Aug 25Aug 27, 2025 — seafloor 54 m (measured), deepest dive 32 m (modelled)Aug 27Aug 29, 2025 — seafloor 54 m (measured), deepest dive 25 m (modelled)Aug 29Aug 31, 2025 — seafloor 54 m (measured), deepest dive 47 m (modelled)Aug 31Sep 21, 2025 — seafloor 47 m (measured), deepest dive 36 m (modelled)Sep 21Oct 11, 2025 — seafloor 46 m (measured), deepest dive 30 m (modelled)Oct 11

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

Dives

47 m
Deepest dive
2:15
Longest dive
88
Dives
16 m
Avg dive depth
11
Sightings
108
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255047 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (54 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.

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Place

Where this happened · Aug 31, 2025

measured
Seafloor depth
54 m
Sea-surface temperature
12.4°C
Distance from shore
7.0 km

Across the residency · 11 sightings

measured
Seafloor depth
31 m – 54 m
Sea-surface temperature
8.6°C – 12.6°C
Distance from shore
5.0 km – 22.0 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 11 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).

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