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

HW-MN1306097 – Residency

4th sighting in Antarctic Peninsula
Fluke of HW-MN1306097
HW-MN1306097 Confirmed in the catalog @118282
Feb 18 – Mar 5, 2026 · Antarctic Peninsula

Antarctic Peninsula · Feb – Mar 2026

113 m
Deepest dive
3:25
Longest dive
23
Dives
Sightings
3
Days between first and last sighting
15
Deepest dive on record
113 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 18, 2026238 m1.9°C113 m
Feb 25, 202616 m1.4°C12 m
Mar 5, 2026-1 m2.4°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
Feb 18, 2026 — seafloor 238 m (measured), deepest dive 113 m (modelled)Feb 18Feb 25, 2026 — seafloor 16 m (measured), deepest dive 12 m (modelled)Feb 25Mar 5, 2026 — seafloor -1 m (measured), deepest dive — (modelled)Mar 5

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

Dives

113 m
Deepest dive
3:25
Longest dive
23
Dives
20 m
Avg dive depth
3
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150113 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (238 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 18, 2026

measured
Seafloor depth
238 m
Sea-surface temperature
1.9°C
Distance from shore
2.0 km

Across the residency · 3 sightings

measured
Seafloor depth
-1 m – 238 m
Sea-surface temperature
1.4°C – 2.4°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.