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

HW-MN1306855 – Residency

5th sighting in Antarctic Peninsula
Fluke of HW-MN1306855
HW-MN1306855 Confirmed in the catalog @132479
Nov 14, 2025 – Jan 28, 2026 · Antarctic Peninsula

Antarctic Peninsula · Nov 2025 – Jan 2026

55 m
Deepest dive
2:24
Longest dive
12
Dives
Sightings
2
Days between first and last sighting
75

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Nov 14, 202565 m—55 m
Jan 28, 2026-224 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
Nov 14, 2025 — seafloor 65 m (measured), deepest dive 55 m (modelled)Nov 14Jan 28, 2026 — seafloor -224 m (measured), deepest dive — (modelled)Jan 28

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

Dives

55 m
Deepest dive
2:24
Longest dive
12
Dives
24 m
Avg dive depth
2
Sightings
75
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010055 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (65 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.

Unlock with Risa Deep

Place

Where this happened · Nov 14, 2025

measured
Seafloor depth
65 m
Sea-surface temperature
—
Distance from shore
—

Across the residency · 2 sightings

measured
Seafloor depth
-224 m – 65 m
Sea-surface temperature
—
Distance from shore
1.0 km

Sources: GEBCO seafloor grid

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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.