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

Brosa – Residency

9th sighting in Clarence Strait
Fluke of Brosa
Brosa Confirmed in the catalog @33292
Jul 18 – 19, 2024 · Clarence Strait

Clarence Strait · Jul 2024

69 m
Deepest dive
2:09
Longest dive
16
Dives
Sightings
2
Days between first and last sighting
1

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 18, 2024133 m—36 m
Jul 19, 2024124 m—69 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 18, 2024 — seafloor 133 m (measured), deepest dive 36 m (modelled)Jul 18Jul 19, 2024 — seafloor 124 m (measured), deepest dive 69 m (modelled)Jul 19

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

Dives

69 m
Deepest dive
2:09
Longest dive
16
Dives
25 m
Avg dive depth
2
Sightings
1
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010069 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (124 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.

Unlock with Risa Deep

Place

Where this happened · Jul 19, 2024

measured
Seafloor depth
124 m
Sea-surface temperature
—
Distance from shore
1.0 km

Across the residency · 2 sightings

measured
Seafloor depth
124 m – 133 m
Sea-surface temperature
—
Distance from shore
1.0 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).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.