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

Fedallah – Residency

3rd sighting in Chatham Strait
Fluke of Fedallah
Fedallah Confirmed in the catalog @41902
Aug 14 – Sep 19, 2021 · Chatham Strait

Chatham Strait · Aug – Sep 2021

270 m
Deepest dive
10:24
Longest dive
32
Dives
Sightings
2
Days between first and last sighting
36
Deepest dive on record
270 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 14, 2021124 m—111 m
Sep 19, 2021557 m—270 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 14, 2021 — seafloor 124 m (measured), deepest dive 111 m (modelled)Aug 14Sep 19, 2021 — seafloor 557 m (measured), deepest dive 270 m (modelled)Sep 19

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

Dives

270 m
Deepest dive
10:24
Longest dive
32
Dives
43 m
Avg dive depth
2
Sightings
36
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0150300270 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (557 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 19, 2021

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

Across the residency · 2 sightings

measured
Seafloor depth
124 m – 557 m
Sea-surface temperature
—
Distance from shore
2.0 km – 3.0 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 2 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.