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

HW-MN1302104 – Residency

7th sighting in Antarctic Peninsula
Fluke of HW-MN1302104
HW-MN1302104 Confirmed in the catalog @25778
Feb 2 – Mar 14, 2026 · Antarctic Peninsula

Antarctic Peninsula · Feb – Mar 2026

54 m
Deepest dive
1:53
Longest dive
41
Dives
Sightings
2
Days between first and last sighting
40

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 2, 2026107 m-0.6°C54 m
Mar 14, 20268 m2.0°C7 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
Feb 2, 2026 — seafloor 107 m (measured), deepest dive 54 m (modelled)Feb 2Mar 14, 2026 — seafloor 8 m (measured), deepest dive 7 m (modelled)Mar 14

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

Dives

54 m
Deepest dive
1:53
Longest dive
41
Dives
17 m
Avg dive depth
2
Sightings
40
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010054 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (107 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 2, 2026

measured
Seafloor depth
107 m
Sea-surface temperature
-0.6°C
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
8 m – 107 m
Sea-surface temperature
-0.6°C – 2.0°C
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature

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

Source records

This activity is assembled from 2 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.