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

BREE-261 – Residency

1st sighting in Hawaiian Islands
Fluke of BREE-261
BREE-261 Confirmed in the catalog @17268
Feb 24 – Mar 22, 2025 · Hawaiian Islands

Hawaiian Islands · Feb – Mar 2025

71 m
Deepest dive
3:21
Longest dive
34
Dives
Sightings
2
Days between first and last sighting
26

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Feb 24, 2025421 m—71 m
Mar 22, 202556 m—45 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
Feb 24, 2025 — seafloor 421 m (measured), deepest dive 71 m (modelled)Feb 24Mar 22, 2025 — seafloor 56 m (measured), deepest dive 45 m (modelled)Mar 22

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

Dives

71 m
Deepest dive
3:21
Longest dive
34
Dives
23 m
Avg dive depth
2
Sightings
26
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 (421 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 · Feb 24, 2025

measured
Seafloor depth
421 m
Sea-surface temperature
—
Distance from shore
3.0 km

Across the residency · 2 sightings

measured
Seafloor depth
56 m – 421 m
Sea-surface temperature
—
Distance from shore
3.0 km – 4.0 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.