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

HW-MN1302674 – Residency

6th sighting in Antarctic Peninsula
Fluke of HW-MN1302674
HW-MN1302674 Confirmed in the catalog @37321
Dec 30, 2025 – Feb 23, 2026 · Antarctic Peninsula

Antarctic Peninsula · Dec 2025 – Feb 2026

248 m
Deepest dive
9:16
Longest dive
46
Dives
Sightings
4
Days between first and last sighting
56
Deepest dive on record
248 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 30, 2025327 m—248 m
Feb 2, 202663 m-0.6°C45 m
Feb 15, 2026389 m2.0°C110 m
Feb 23, 2026354 m—105 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 30, 2025 — seafloor 327 m (measured), deepest dive 248 m (modelled)Dec 30Feb 2, 2026 — seafloor 63 m (measured), deepest dive 45 m (modelled)Feb 2Feb 15, 2026 — seafloor 389 m (measured), deepest dive 110 m (modelled)Feb 15Feb 23, 2026 — seafloor 354 m (measured), deepest dive 105 m (modelled)Feb 23

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

Dives

248 m
Deepest dive
9:16
Longest dive
46
Dives
37 m
Avg dive depth
4
Sightings
56
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0125250248 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (327 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 · Dec 30, 2025

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

Across the residency · 4 sightings

measured
Seafloor depth
63 m – 389 m
Sea-surface temperature
-0.6°C – 2.0°C
Distance from shore
1.0 km – 5.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

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

Source records

This activity is assembled from 4 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.