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Iceland

Cardiff – Residency

27th sighting in Iceland
Fluke of Cardiff
Cardiff Confirmed in the catalog @147301
Apr 14 – Sep 27, 2026 · Iceland

This Bay Is Mine

Herring came to me, I just kept surfacing — turns out that counts as belonging.

48 m
Deepest dive
2:39
Longest dive
330
Dives
Sightings
27
Days between first and last sighting
166
Deepest dive on record
48 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Apr 14, 202657 m4.3°C38 m
May 29, 202657 m8.6°C38 m
Jun 5, 202654 m10.3°C48 m
Jun 7, 202654 m10.3°C27 m
Jun 9, 202654 m10.6°C42 m
Jun 10, 202652 m10.9°C25 m
Jun 16, 202646 m10.7°C42 m
Jun 17, 202646 m7.4°C32 m
Jun 30, 202632 m10.4°C15 m
Jul 4, 202626 m11.1°C20 m
Jul 8, 202629 m10.4°C22 m
Jul 9, 202639 m10.4°C28 m
Jul 13, 202631 m10.3°C27 m
Jul 22, 202615 m11.0°C13 m
Aug 15, 202640 m11.6°C35 m
Aug 15, 202653 m11.3°C36 m
Aug 17, 202621 m11.6°C13 m
Aug 18, 202638 m11.5°C31 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
Apr 14, 2026 — seafloor 57 m (measured), deepest dive 38 m (modelled)Apr 14May 29, 2026 — seafloor 57 m (measured), deepest dive 38 m (modelled)Jun 5, 2026 — seafloor 54 m (measured), deepest dive 48 m (modelled)Jun 7, 2026 — seafloor 54 m (measured), deepest dive 27 m (modelled)Jun 9, 2026 — seafloor 54 m (measured), deepest dive 42 m (modelled)Jun 10, 2026 — seafloor 52 m (measured), deepest dive 25 m (modelled)Jun 10Jun 16, 2026 — seafloor 46 m (measured), deepest dive 42 m (modelled)Jun 17, 2026 — seafloor 46 m (measured), deepest dive 32 m (modelled)Jun 30, 2026 — seafloor 32 m (measured), deepest dive 15 m (modelled)Jul 4, 2026 — seafloor 26 m (measured), deepest dive 20 m (modelled)Jul 8, 2026 — seafloor 29 m (measured), deepest dive 22 m (modelled)Jul 8Jul 9, 2026 — seafloor 39 m (measured), deepest dive 28 m (modelled)Jul 13, 2026 — seafloor 31 m (measured), deepest dive 27 m (modelled)Jul 22, 2026 — seafloor 15 m (measured), deepest dive 13 m (modelled)Aug 15, 2026 — seafloor 40 m (measured), deepest dive 35 m (modelled)Aug 15, 2026 — seafloor 53 m (measured), deepest dive 36 m (modelled)Aug 15Aug 17, 2026 — seafloor 21 m (measured), deepest dive 13 m (modelled)Aug 18, 2026 — seafloor 38 m (measured), deepest dive 31 m (modelled)Aug 19, 2026 — seafloor 45 m (measured), deepest dive 37 m (modelled)Aug 30, 2026 — seafloor 55 m (measured), deepest dive 45 m (modelled)Sep 2, 2026 — seafloor 53 m (measured), deepest dive 44 m (modelled)Sep 2Sep 2, 2026 — seafloor 22 m (measured), deepest dive 20 m (modelled)Sep 13, 2026 — seafloor 53 m (measured), deepest dive 46 m (modelled)Sep 14, 2026 — seafloor 53 m (measured), deepest dive 44 m (modelled)Sep 14, 2026 — seafloor 21 m (measured), deepest dive 18 m (modelled)Sep 15, 2026 — seafloor 26 m (measured), deepest dive 21 m (modelled)Sep 15Sep 27, 2026 — seafloor 30 m (measured), deepest dive 27 m (modelled)

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

Dives

48 m
Deepest dive
2:39
Longest dive
330
Dives
15 m
Avg dive depth
27
Sightings
166
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255048 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 · Jun 5, 2026

measured
Seafloor depth
54 m
Sea-surface temperature
10.3°C
Distance from shore
8.0 km

Across the residency · 27 sightings

measured
Seafloor depth
15 m – 57 m
Sea-surface temperature
4.3°C – 12.0°C
Distance from shore
1.0 km – 16.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 27 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.