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

Brouhaha – Residency

3rd sighting in Chatham Strait
Fluke of Brouhaha
Brouhaha Confirmed in the catalog @5893
Jul 31 – Aug 11, 1995 · Chatham Strait

Chatham Strait · Jul – Aug 1995

71 m
Deepest dive
3:09
Longest dive
28
Dives
Sightings
3
Days between first and last sighting
11

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 31, 199578 m—63 m
Aug 9, 199578 m—55 m
Aug 11, 199586 m—71 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
Jul 31, 1995 — seafloor 78 m (measured), deepest dive 63 m (modelled)Jul 31Aug 9, 1995 — seafloor 78 m (measured), deepest dive 55 m (modelled)Aug 9Aug 11, 1995 — seafloor 86 m (measured), deepest dive 71 m (modelled)Aug 11

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

Dives

71 m
Deepest dive
3:09
Longest dive
28
Dives
28 m
Avg dive depth
3
Sightings
11
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010071 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (86 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 · Aug 11, 1995

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

Across the residency · 3 sightings

measured
Seafloor depth
78 m – 86 m
Sea-surface temperature
—
Distance from shore
1.0 km

Sources: GEBCO seafloor grid · NOAA OISST sea temperature · PacIOOS coastline distance

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.