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

HW-MN1200231 – Residency

3rd sighting in Tonga
Fluke of HW-MN1200231
HW-MN1200231 Confirmed in the catalog @19636
Aug 21 – Sep 24, 2018 · Tonga

Tonga · Aug – Sep 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
3
Days between first and last sighting
34

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 21, 201822 m——
Aug 28, 201822 m——
Sep 24, 201811 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 21, 2018 — seafloor 22 m (measured), deepest dive — (modelled)Aug 21Aug 28, 2018 — seafloor 22 m (measured), deepest dive — (modelled)Aug 28Sep 24, 2018 — seafloor 11 m (measured), deepest dive — (modelled)Sep 24

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
3
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
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. 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 24, 2018

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

Across the residency · 3 sightings

measured
Seafloor depth
11 m – 22 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 3 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.