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

Arthur Whalbert – Residency

6th sighting in Antarctic Peninsula
Fluke of Arthur Whalbert
Arthur Whalbert Confirmed in the catalog @98374
Jan 22 – Feb 7, 2026 · Antarctic Peninsula

Antarctic Peninsula · Jan – Feb 2026

77 m
Deepest dive
3:08
Longest dive
42
Dives
Sightings
3
Days between first and last sighting
16

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 22, 2026165 m2.9°C42 m
Jan 30, 202623 m—20 m
Feb 7, 2026117 m1.9°C77 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
Jan 22, 2026 — seafloor 165 m (measured), deepest dive 42 m (modelled)Jan 22Jan 30, 2026 — seafloor 23 m (measured), deepest dive 20 m (modelled)Jan 30Feb 7, 2026 — seafloor 117 m (measured), deepest dive 77 m (modelled)Feb 7

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

Dives

77 m
Deepest dive
3:08
Longest dive
42
Dives
23 m
Avg dive depth
3
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010077 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (117 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 · Feb 7, 2026

measured
Seafloor depth
117 m
Sea-surface temperature
1.9°C
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
23 m – 165 m
Sea-surface temperature
1.9°C – 2.9°C
Distance from shore
1.0 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 3 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.