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

Jacob – Residency

10th sighting in Antarctic Peninsula
Fluke of Jacob
Jacob Confirmed in the catalog @34988
Dec 5, 2024 – Mar 2, 2025 · Antarctic Peninsula

Antarctic Peninsula · Dec 2024 – Mar 2025

87 m
Deepest dive
3:52
Longest dive
49
Dives
Sightings
7
Days between first and last sighting
87

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Dec 5, 2024134 m—70 m
Jan 12, 2025155 m—87 m
Jan 12, 20251 m—1 m
Jan 13, 2025-16 m——
Jan 23, 2025163 m—77 m
Feb 17, 202573 m—53 m
Mar 2, 2025135 m—85 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
Dec 5, 2024 — seafloor 134 m (measured), deepest dive 70 m (modelled)Dec 5Jan 12, 2025 — seafloor 155 m (measured), deepest dive 87 m (modelled)Jan 12Jan 12, 2025 — seafloor 1 m (measured), deepest dive 1 m (modelled)Jan 12Jan 13, 2025 — seafloor -16 m (measured), deepest dive — (modelled)Jan 13Jan 23, 2025 — seafloor 163 m (measured), deepest dive 77 m (modelled)Jan 23Feb 17, 2025 — seafloor 73 m (measured), deepest dive 53 m (modelled)Feb 17Mar 2, 2025 — seafloor 135 m (measured), deepest dive 85 m (modelled)Mar 2

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

Dives

87 m
Deepest dive
3:52
Longest dive
49
Dives
23 m
Avg dive depth
7
Sightings
87
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010087 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 · Jan 12, 2025

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

Across the residency · 7 sightings

measured
Seafloor depth
-16 m – 163 m
Sea-surface temperature
—
Distance from shore
1.0 km – 2.0 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 7 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.