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

BCZ0284 – Residency

Fluke of BCZ0284
BCZ0284 Confirmed in the catalog @64170
Jul 9, 2025 · North Pacific

North Pacific · Jul 2025

88 m
Deepest dive
2:39
Longest dive
5
Dives
Sightings
1
Days between first and last sighting
Same day
Deepest dive on record
88 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 9, 20251,136 m14.0°C88 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 9, 2025 — seafloor 1,136 m (measured), deepest dive 88 m (modelled)Jul 9

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

Dives

88 m
Deepest dive
2:39
Longest dive
5
Dives
30 m
Avg dive depth
1
Sightings
Same day
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010088 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (1,136 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 · Jul 9, 2025

measured
Seafloor depth
1,136 m
Sea-surface temperature
14.0°C
Distance from shore
70.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

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

Source records

This activity is assembled from 1 catalogued encounter 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.