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

HW-MN0802010 – Residency

6th sighting in South Africa
Fluke of HW-MN0802010
HW-MN0802010 Confirmed in the catalog @90092
Nov 19 – Dec 21, 2022 · South Africa

South Africa · Nov – Dec 2022

62 m
Deepest dive
2:43
Longest dive
94
Dives
Sightings
6
Days between first and last sighting
32
Deepest dive on record
62 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Nov 19, 202249 m—39 m
Dec 7, 202245 m—40 m
Dec 19, 202279 m—60 m
Dec 20, 202267 m—45 m
Dec 21, 202273 m—62 m
Dec 21, 202264 m—52 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 19, 2022 — seafloor 49 m (measured), deepest dive 39 m (modelled)Nov 19Dec 7, 2022 — seafloor 45 m (measured), deepest dive 40 m (modelled)Dec 7Dec 19, 2022 — seafloor 79 m (measured), deepest dive 60 m (modelled)Dec 19Dec 20, 2022 — seafloor 67 m (measured), deepest dive 45 m (modelled)Dec 20Dec 21, 2022 — seafloor 73 m (measured), deepest dive 62 m (modelled)Dec 21Dec 21, 2022 — seafloor 64 m (measured), deepest dive 52 m (modelled)Dec 21

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

Dives

62 m
Deepest dive
2:43
Longest dive
94
Dives
22 m
Avg dive depth
6
Sightings
32
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010062 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (73 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 21, 2022

measured
Seafloor depth
73 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 6 sightings

measured
Seafloor depth
45 m – 79 m
Sea-surface temperature
—
Distance from shore
2.0 km – 7.0 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 6 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.