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

HW-MN1301616 – Residency

5th sighting in Antarctic Peninsula
Fluke of HW-MN1301616
HW-MN1301616 Confirmed in the catalog @24193
Dec 19, 2025 – Feb 23, 2026 · Antarctic Peninsula

Antarctic Peninsula · Dec 2025 – Feb 2026

119 m
Deepest dive
4:22
Longest dive
34
Dives
Sightings
3
Days between first and last sighting
66
Deepest dive on record
119 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 19, 2025155 m—80 m
Jan 22, 2026354 m—119 m
Feb 23, 2026354 m—106 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
Dec 19, 2025 — seafloor 155 m (measured), deepest dive 80 m (modelled)Dec 19Jan 22, 2026 — seafloor 354 m (measured), deepest dive 119 m (modelled)Jan 22Feb 23, 2026 — seafloor 354 m (measured), deepest dive 106 m (modelled)Feb 23

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

Dives

119 m
Deepest dive
4:22
Longest dive
34
Dives
38 m
Avg dive depth
3
Sightings
66
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150119 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (354 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 · Jan 22, 2026

measured
Seafloor depth
354 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 3 sightings

measured
Seafloor depth
155 m – 354 m
Sea-surface temperature
—
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.