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

DBC – Residency

7th sighting in Chatham Strait
Fluke of DBC
DBC Confirmed in the catalog @26677
Jul 19 – Sep 10, 2023 · Chatham Strait

Chatham Strait · Jul – Sep 2023

72 m
Deepest dive
3:19
Longest dive
16
Dives
Sightings
3
Days between first and last sighting
53

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 19, 2023209 m—72 m
Aug 7, 2023301 m—71 m
Sep 10, 202381 m—33 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 19, 2023 — seafloor 209 m (measured), deepest dive 72 m (modelled)Jul 19Aug 7, 2023 — seafloor 301 m (measured), deepest dive 71 m (modelled)Aug 7Sep 10, 2023 — seafloor 81 m (measured), deepest dive 33 m (modelled)Sep 10

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

Dives

72 m
Deepest dive
3:19
Longest dive
16
Dives
25 m
Avg dive depth
3
Sightings
53
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (209 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, 2023

measured
Seafloor depth
209 m
Sea-surface temperature
—
Distance from shore
7.0 km

Across the residency · 3 sightings

measured
Seafloor depth
81 m – 301 m
Sea-surface temperature
—
Distance from shore
4.0 km – 7.0 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 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).

Happywhale runs on donations: support Happywhale →

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