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

Kozu – Residency

2nd sighting in Antarctic Peninsula
Fluke of Kozu
Kozu Confirmed in the catalog @155964
Mar 4 – 20, 2026 · Antarctic Peninsula

Antarctic Peninsula · Mar 2026

31 m
Deepest dive
1:34
Longest dive
25
Dives
Sightings
2
Days between first and last sighting
16
Deepest dive on record
31 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Mar 4, 20268 m2.3°C7 m
Mar 20, 2026179 m1.9°C31 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
Mar 4, 2026 — seafloor 8 m (measured), deepest dive 7 m (modelled)Mar 4Mar 20, 2026 — seafloor 179 m (measured), deepest dive 31 m (modelled)Mar 20

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

Dives

31 m
Deepest dive
1:34
Longest dive
25
Dives
10 m
Avg dive depth
2
Sightings
16
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0255031 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (179 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 · Mar 20, 2026

measured
Seafloor depth
179 m
Sea-surface temperature
1.9°C
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
8 m – 179 m
Sea-surface temperature
1.9°C – 2.3°C
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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.