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

Mushroom2019 – Residency

33rd sighting in Iceland
Fluke of Mushroom2019
Mushroom2019 Confirmed in the catalog @38304
Aug 9 – 13, 2026 · Iceland

Herring Are In

Cliffs on the horizon, silt in the water, whales everywhere I looked.

98 m
Deepest dive
2:59
Longest dive
63
Dives
Sightings
5
Days between first and last sighting
4

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 9, 202693 m8.8°C42 m
Aug 10, 2026123 m8.5°C98 m
Aug 11, 202625 m8.8°C18 m
Aug 12, 202651 m9.2°C47 m
Aug 13, 2026146 m9.2°C41 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
Aug 9, 2026 — seafloor 93 m (measured), deepest dive 42 m (modelled)Aug 9Aug 10, 2026 — seafloor 123 m (measured), deepest dive 98 m (modelled)Aug 10Aug 11, 2026 — seafloor 25 m (measured), deepest dive 18 m (modelled)Aug 11Aug 12, 2026 — seafloor 51 m (measured), deepest dive 47 m (modelled)Aug 12Aug 13, 2026 — seafloor 146 m (measured), deepest dive 41 m (modelled)Aug 13

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

Dives

98 m
Deepest dive
2:59
Longest dive
63
Dives
20 m
Avg dive depth
5
Sightings
4
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010098 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (123 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 10, 2026

measured
Seafloor depth
123 m
Sea-surface temperature
8.5°C
Distance from shore
3.0 km

Across the residency · 5 sightings

measured
Seafloor depth
25 m – 146 m
Sea-surface temperature
8.5°C – 9.2°C
Distance from shore
1.0 km – 7.0 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 5 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.