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

HW-MN1307428 – Residency

3rd sighting in Antarctic Peninsula
Fluke of HW-MN1307428
HW-MN1307428 Confirmed in the catalog @136826
Jan 25 – Feb 18, 2025 · Antarctic Peninsula

Antarctic Peninsula · Jan – Feb 2025

63 m
Deepest dive
2:46
Longest dive
18
Dives
Sightings
3
Days between first and last sighting
24
Deepest dive on record
63 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 25, 2025146 m—56 m
Feb 16, 2025155 m—63 m
Feb 18, 2025206 m—13 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
Jan 25, 2025 — seafloor 146 m (measured), deepest dive 56 m (modelled)Jan 25Feb 16, 2025 — seafloor 155 m (measured), deepest dive 63 m (modelled)Feb 16Feb 18, 2025 — seafloor 206 m (measured), deepest dive 13 m (modelled)Feb 18

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

Dives

63 m
Deepest dive
2:46
Longest dive
18
Dives
20 m
Avg dive depth
3
Sightings
24
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010063 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (155 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 16, 2025

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

Across the residency · 3 sightings

measured
Seafloor depth
146 m – 206 m
Sea-surface temperature
—
Distance from shore
1.0 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 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.