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

Piero – Residency

54th sighting in Iceland
Fluke of Piero
Piero Confirmed in the catalog @98218
May 28 – Sep 22, 2025 · Iceland

Iceland · May – Sep 2025

91 m
Deepest dive
4:01
Longest dive
95
Dives
Sightings
11
Days between first and last sighting
117

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 28, 202542 m8.8°C32 m
May 30, 202596 m8.4°C52 m
Jun 1, 2025115 m8.1°C71 m
Jun 7, 2025100 m7.5°C91 m
Jun 8, 2025113 m7.4°C33 m
Jun 15, 202566 m8.4°C45 m
Jul 17, 202528 m10.7°C21 m
Jul 21, 202580 m11.9°C43 m
Jul 23, 202575 m10.9°C49 m
Jul 25, 202554 m11.0°C44 m
Sep 22, 2025-0 m8.5°C—

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
May 28, 2025 — seafloor 42 m (measured), deepest dive 32 m (modelled)May 28May 30, 2025 — seafloor 96 m (measured), deepest dive 52 m (modelled)May 30Jun 1, 2025 — seafloor 115 m (measured), deepest dive 71 m (modelled)Jun 1Jun 7, 2025 — seafloor 100 m (measured), deepest dive 91 m (modelled)Jun 7Jun 8, 2025 — seafloor 113 m (measured), deepest dive 33 m (modelled)Jun 8Jun 15, 2025 — seafloor 66 m (measured), deepest dive 45 m (modelled)Jun 15Jul 17, 2025 — seafloor 28 m (measured), deepest dive 21 m (modelled)Jul 17Jul 21, 2025 — seafloor 80 m (measured), deepest dive 43 m (modelled)Jul 21Jul 23, 2025 — seafloor 75 m (measured), deepest dive 49 m (modelled)Jul 23Jul 25, 2025 — seafloor 54 m (measured), deepest dive 44 m (modelled)Jul 25Sep 22, 2025 — seafloor -0 m (measured), deepest dive — (modelled)Sep 22

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

Dives

91 m
Deepest dive
4:01
Longest dive
95
Dives
22 m
Avg dive depth
11
Sightings
117
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010091 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (100 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 7, 2025

measured
Seafloor depth
100 m
Sea-surface temperature
7.5°C
Distance from shore
2.0 km

Across the residency · 11 sightings

measured
Seafloor depth
-0 m – 115 m
Sea-surface temperature
7.4°C – 11.9°C
Distance from shore
1.0 km – 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 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.