Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Madagascar & Mascarenes

Moroni – Residency

4th sighting in Madagascar & Mascarenes
Fluke of Moroni
Moroni Confirmed in the catalog @110235
Aug 28 – Oct 10, 2023 · Madagascar & Mascarenes

Madagascar & Mascarenes · Aug – Oct 2023

349 m
Deepest dive
10:07
Longest dive
60
Dives
Sightings
4
Days between first and last sighting
43
Deepest dive on record
349 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 28, 20231,754 m—75 m
Sep 30, 20231,890 m—349 m
Sep 30, 20231,994 m—153 m
Oct 10, 2023659 m—98 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
Aug 28, 2023 — seafloor 1,754 m (measured), deepest dive 75 m (modelled)Aug 28Sep 30, 2023 — seafloor 1,890 m (measured), deepest dive 349 m (modelled)Sep 30Sep 30, 2023 — seafloor 1,994 m (measured), deepest dive 153 m (modelled)Sep 30Oct 10, 2023 — seafloor 659 m (measured), deepest dive 98 m (modelled)Oct 10

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

Dives

349 m
Deepest dive
10:07
Longest dive
60
Dives
42 m
Avg dive depth
4
Sightings
43
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0175350349 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,890 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 · Sep 30, 2023

measured
Seafloor depth
1,890 m
Sea-surface temperature
—
Distance from shore
15.0 km

Across the residency · 4 sightings

measured
Seafloor depth
659 m – 1,994 m
Sea-surface temperature
—
Distance from shore
10.0 km – 20.0 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.