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Antarctic Peninsula

Callum Harris – Residency

16th sighting in Antarctic Peninsula
Fluke of Callum Harris
Callum Harris Confirmed in the catalog @137244
Jan 11 – Mar 25, 2026 · Antarctic Peninsula

Late Summer, Thick With Krill

Cold water, packed shadows, more company than I could count — good stretch.

121 m
Deepest dive
4:01
Longest dive
130
Dives
Sightings
13
Days between first and last sighting
72
Deepest dive on record
121 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 11, 2026272 m2.6°C121 m
Jan 14, 20267 m2.0°C6 m
Jan 15, 20267 m2.0°C5 m
Jan 23, 202610 m1.8°C4 m
Feb 1, 202696 m1.7°C71 m
Feb 2, 202611 m2.1°C9 m
Feb 3, 20268 m2.5°C7 m
Feb 5, 20269 m2.1°C7 m
Feb 6, 2026-3 m1.9°C—
Feb 22, 202697 m1.8°C59 m
Mar 8, 2026136 m2.4°C77 m
Mar 8, 202626 m2.4°C23 m
Mar 25, 2026125 m2.1°C47 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 11, 2026 — seafloor 272 m (measured), deepest dive 121 m (modelled)Jan 11Jan 14, 2026 — seafloor 7 m (measured), deepest dive 6 m (modelled)Jan 15, 2026 — seafloor 7 m (measured), deepest dive 5 m (modelled)Jan 23, 2026 — seafloor 10 m (measured), deepest dive 4 m (modelled)Jan 23Feb 1, 2026 — seafloor 96 m (measured), deepest dive 71 m (modelled)Feb 2, 2026 — seafloor 11 m (measured), deepest dive 9 m (modelled)Feb 3, 2026 — seafloor 8 m (measured), deepest dive 7 m (modelled)Feb 3Feb 5, 2026 — seafloor 9 m (measured), deepest dive 7 m (modelled)Feb 6, 2026 — seafloor -3 m (measured), deepest dive — (modelled)Feb 22, 2026 — seafloor 97 m (measured), deepest dive 59 m (modelled)Feb 22Mar 8, 2026 — seafloor 136 m (measured), deepest dive 77 m (modelled)Mar 8, 2026 — seafloor 26 m (measured), deepest dive 23 m (modelled)Mar 25, 2026 — seafloor 125 m (measured), deepest dive 47 m (modelled)Mar 25

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

Dives

121 m
Deepest dive
4:01
Longest dive
130
Dives
15 m
Avg dive depth
13
Sightings
72
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
075150121 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (272 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 · Jan 11, 2026

measured
Seafloor depth
272 m
Sea-surface temperature
2.6°C
Distance from shore
4.0 km

Across the residency · 13 sightings

measured
Seafloor depth
-3 m – 272 m
Sea-surface temperature
1.7°C – 2.6°C
Distance from shore
1.0 km – 5.0 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 13 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.