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

Siale – Residency

4th sighting in Tonga
Fluke of Siale
Siale Confirmed in the catalog @124885
Aug 18 – Sep 12, 2024 · Tonga

Tonga · Aug – Sep 2024

66 m
Deepest dive
2:03
Longest dive
45
Dives
Sightings
4
Days between first and last sighting
26
Deepest dive on record
66 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 18, 202419 m—15 m
Aug 19, 202493 m—50 m
Sep 4, 2024-39 m——
Sep 12, 2024290 m—66 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 18, 2024 — seafloor 19 m (measured), deepest dive 15 m (modelled)Aug 18Aug 19, 2024 — seafloor 93 m (measured), deepest dive 50 m (modelled)Aug 19Sep 4, 2024 — seafloor -39 m (measured), deepest dive — (modelled)Sep 4Sep 12, 2024 — seafloor 290 m (measured), deepest dive 66 m (modelled)Sep 12

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

Dives

66 m
Deepest dive
2:03
Longest dive
45
Dives
20 m
Avg dive depth
4
Sightings
26
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010066 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (290 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 12, 2024

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

Across the residency · 4 sightings

measured
Seafloor depth
-39 m – 290 m
Sea-surface temperature
—
Distance from shore
—

Sources: GEBCO seafloor grid

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.