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

Daggers – Residency

13th sighting in Iceland
Fluke of Daggers
Daggers Confirmed in the catalog @26493
Jul 24 – Dec 13, 2023 · Iceland

Iceland · Jul – Dec 2023

97 m
Deepest dive
4:22
Longest dive
69
Dives
Sightings
8
Days between first and last sighting
142
Deepest dive on record
97 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 24, 202388 m—65 m
Aug 15, 2023120 m—74 m
Oct 8, 202380 m—67 m
Nov 14, 2023109 m—58 m
Nov 16, 2023109 m—44 m
Nov 19, 2023109 m—79 m
Dec 12, 2023109 m—97 m
Dec 13, 2023109 m—37 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
Jul 24, 2023 — seafloor 88 m (measured), deepest dive 65 m (modelled)Jul 24Aug 15, 2023 — seafloor 120 m (measured), deepest dive 74 m (modelled)Aug 15Oct 8, 2023 — seafloor 80 m (measured), deepest dive 67 m (modelled)Oct 8Nov 14, 2023 — seafloor 109 m (measured), deepest dive 58 m (modelled)Nov 14Nov 16, 2023 — seafloor 109 m (measured), deepest dive 44 m (modelled)Nov 16Nov 19, 2023 — seafloor 109 m (measured), deepest dive 79 m (modelled)Nov 19Dec 12, 2023 — seafloor 109 m (measured), deepest dive 97 m (modelled)Dec 12Dec 13, 2023 — seafloor 109 m (measured), deepest dive 37 m (modelled)Dec 13

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

Dives

97 m
Deepest dive
4:22
Longest dive
69
Dives
28 m
Avg dive depth
8
Sightings
142
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010097 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (109 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 · Dec 12, 2023

measured
Seafloor depth
109 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 8 sightings

measured
Seafloor depth
80 m – 120 m
Sea-surface temperature
—
Distance from shore
2.0 km – 4.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 8 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.