Risa
Try Deep freeDeep
Risa
Try Deep freeDeep
Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Iceland

Ziemniak – Residency

52nd sighting in Iceland
Fluke of Ziemniak
Ziemniak Confirmed in the catalog @24902
Aug 19 – Nov 23, 2024 · Iceland

Iceland · Aug – Nov 2024

99 m
Deepest dive
4:43
Longest dive
211
Dives
Sightings
19
Days between first and last sighting
96

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Aug 19, 202460 m8.3°C47 m
Aug 19, 202480 m8.4°C72 m
Aug 19, 202473 m8.3°C58 m
Aug 21, 2024109 m8.4°C75 m
Aug 26, 202484 m9.0°C68 m
Aug 26, 2024109 m8.8°C93 m
Aug 28, 2024104 m8.0°C45 m
Aug 29, 202478 m8.1°C46 m
Sep 13, 2024123 m7.6°C99 m
Sep 14, 2024109 m7.3°C36 m
Sep 18, 2024109 m5.5°C72 m
Sep 20, 2024109 m5.4°C98 m
Sep 23, 2024109 m4.4°C30 m
Sep 23, 2024109 m4.4°C71 m
Sep 30, 2024109 m5.1°C72 m
Oct 14, 202459 m4.6°C28 m
Oct 16, 2024109 m4.3°C15 m
Oct 18, 2024109 m4.0°C44 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 19, 2024 — seafloor 60 m (measured), deepest dive 47 m (modelled)Aug 19Aug 19, 2024 — seafloor 80 m (measured), deepest dive 72 m (modelled)Aug 19, 2024 — seafloor 73 m (measured), deepest dive 58 m (modelled)Aug 21, 2024 — seafloor 109 m (measured), deepest dive 75 m (modelled)Aug 26, 2024 — seafloor 84 m (measured), deepest dive 68 m (modelled)Aug 26Aug 26, 2024 — seafloor 109 m (measured), deepest dive 93 m (modelled)Aug 28, 2024 — seafloor 104 m (measured), deepest dive 45 m (modelled)Aug 29, 2024 — seafloor 78 m (measured), deepest dive 46 m (modelled)Sep 13, 2024 — seafloor 123 m (measured), deepest dive 99 m (modelled)Sep 13Sep 14, 2024 — seafloor 109 m (measured), deepest dive 36 m (modelled)Sep 18, 2024 — seafloor 109 m (measured), deepest dive 72 m (modelled)Sep 20, 2024 — seafloor 109 m (measured), deepest dive 98 m (modelled)Sep 23, 2024 — seafloor 109 m (measured), deepest dive 30 m (modelled)Sep 23Sep 23, 2024 — seafloor 109 m (measured), deepest dive 71 m (modelled)Sep 30, 2024 — seafloor 109 m (measured), deepest dive 72 m (modelled)Oct 14, 2024 — seafloor 59 m (measured), deepest dive 28 m (modelled)Oct 16, 2024 — seafloor 109 m (measured), deepest dive 15 m (modelled)Oct 16Oct 18, 2024 — seafloor 109 m (measured), deepest dive 44 m (modelled)Nov 23, 2024 — seafloor 109 m (measured), deepest dive 61 m (modelled)

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

Dives

99 m
Deepest dive
4:43
Longest dive
211
Dives
24 m
Avg dive depth
19
Sightings
96
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010099 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.

Unlock with Risa Deep

Place

Where this happened · Sep 13, 2024

measured
Seafloor depth
123 m
Sea-surface temperature
7.6°C
Distance from shore
2.0 km

Across the residency · 19 sightings

measured
Seafloor depth
59 m – 123 m
Sea-surface temperature
3.2°C – 9.0°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 19 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).

Happywhale runs on donations: support Happywhale →

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