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

PAN-1258 – Residency

4th sighting in Antarctic Peninsula
Fluke of PAN-1258
PAN-1258 Confirmed in the catalog @15402
Mar 5 – 19, 2026 · Antarctic Peninsula

Antarctic Peninsula · Mar 2026

76 m
Deepest dive
2:40
Longest dive
38
Dives
Sightings
3
Days between first and last sighting
14
Deepest dive on record
76 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 5, 202616 m1.9°C13 m
Mar 9, 202679 m—43 m
Mar 19, 2026205 m2.1°C76 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
Mar 5, 2026 — seafloor 16 m (measured), deepest dive 13 m (modelled)Mar 5Mar 9, 2026 — seafloor 79 m (measured), deepest dive 43 m (modelled)Mar 9Mar 19, 2026 — seafloor 205 m (measured), deepest dive 76 m (modelled)Mar 19

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

Dives

76 m
Deepest dive
2:40
Longest dive
38
Dives
15 m
Avg dive depth
3
Sightings
14
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010076 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (205 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 · Mar 19, 2026

measured
Seafloor depth
205 m
Sea-surface temperature
2.1°C
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
16 m – 205 m
Sea-surface temperature
1.9°C – 2.1°C
Distance from shore
1.0 km – 2.0 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.