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

HW-MN1302021 – Residency

7th sighting in Antarctic Peninsula
Fluke of HW-MN1302021
HW-MN1302021 Confirmed in the catalog @25692
Feb 16 – Mar 3, 2025 · Antarctic Peninsula

Antarctic Peninsula · Feb – Mar 2025

123 m
Deepest dive
6:30
Longest dive
28
Dives
Sightings
4
Days between first and last sighting
15
Deepest dive on record
123 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Feb 16, 202599 m—22 m
Feb 22, 2025477 m—123 m
Feb 25, 2025109 m—54 m
Mar 3, 2025258 m—74 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 16, 2025 — seafloor 99 m (measured), deepest dive 22 m (modelled)Feb 16Feb 22, 2025 — seafloor 477 m (measured), deepest dive 123 m (modelled)Feb 22Feb 25, 2025 — seafloor 109 m (measured), deepest dive 54 m (modelled)Feb 25Mar 3, 2025 — seafloor 258 m (measured), deepest dive 74 m (modelled)Mar 3

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

Dives

123 m
Deepest dive
6:30
Longest dive
28
Dives
28 m
Avg dive depth
4
Sightings
15
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150123 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (477 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 22, 2025

measured
Seafloor depth
477 m
Sea-surface temperature
—
Distance from shore
9.0 km

Across the residency · 4 sightings

measured
Seafloor depth
99 m – 477 m
Sea-surface temperature
—
Distance from shore
3.0 km – 9.0 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.