Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
South Africa

HW-MN0802092 – Residency

11th sighting in South Africa
Fluke of HW-MN0802092
HW-MN0802092 Confirmed in the catalog @91054
Nov 7 – Dec 11, 2024 · South Africa

South Africa · Nov – Dec 2024

53 m
Deepest dive
2:28
Longest dive
69
Dives
Sightings
4
Days between first and last sighting
34

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 7, 202455 m—48 m
Nov 30, 202480 m—17 m
Dec 2, 202459 m—53 m
Dec 11, 202460 m—51 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 7, 2024 — seafloor 55 m (measured), deepest dive 48 m (modelled)Nov 7Nov 30, 2024 — seafloor 80 m (measured), deepest dive 17 m (modelled)Nov 30Dec 2, 2024 — seafloor 59 m (measured), deepest dive 53 m (modelled)Dec 2Dec 11, 2024 — seafloor 60 m (measured), deepest dive 51 m (modelled)Dec 11

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

Dives

53 m
Deepest dive
2:28
Longest dive
69
Dives
19 m
Avg dive depth
4
Sightings
34
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (59 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 · Dec 2, 2024

measured
Seafloor depth
59 m
Sea-surface temperature
—
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
55 m – 80 m
Sea-surface temperature
—
Distance from shore
2.0 km – 4.0 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.