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

HW-MN1301377 – Residency

7th sighting in Antarctic Peninsula
Fluke of HW-MN1301377
HW-MN1301377 Confirmed in the catalog @19689
Feb 9 – 20, 2025 · Antarctic Peninsula

Antarctic Peninsula · Feb 2025

110 m
Deepest dive
4:30
Longest dive
38
Dives
Sightings
4
Days between first and last sighting
11
Deepest dive on record
110 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 9, 2025156 m—20 m
Feb 12, 2025784 m—110 m
Feb 16, 2025602 m—95 m
Feb 20, 20251 m—1 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 9, 2025 — seafloor 156 m (measured), deepest dive 20 m (modelled)Feb 9Feb 12, 2025 — seafloor 784 m (measured), deepest dive 110 m (modelled)Feb 12Feb 16, 2025 — seafloor 602 m (measured), deepest dive 95 m (modelled)Feb 16Feb 20, 2025 — seafloor 1 m (measured), deepest dive 1 m (modelled)Feb 20

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

Dives

110 m
Deepest dive
4:30
Longest dive
38
Dives
23 m
Avg dive depth
4
Sightings
11
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150110 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (784 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 12, 2025

measured
Seafloor depth
784 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 4 sightings

measured
Seafloor depth
1 m – 784 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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.