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

Cornucopia – Residency

13th sighting in Chatham Strait
Fluke of Cornucopia
Cornucopia Confirmed in the catalog @16917
Jul 20 – Aug 28, 2019 · Chatham Strait

Chatham Strait · Jul – Aug 2019

145 m
Deepest dive
4:44
Longest dive
92
Dives
Sightings
9
Days between first and last sighting
38

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 20, 2019158 m12.6°C53 m
Jul 21, 2019269 m12.8°C145 m
Jul 24, 2019269 m13.6°C109 m
Jul 31, 2019122 m12.1°C105 m
Aug 1, 2019146 m12.9°C82 m
Aug 21, 2019177 m12.7°C53 m
Aug 24, 2019132 m12.0°C72 m
Aug 26, 2019-7 m11.1°C—
Aug 28, 201993 m11.6°C25 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 20, 2019 — seafloor 158 m (measured), deepest dive 53 m (modelled)Jul 20Jul 21, 2019 — seafloor 269 m (measured), deepest dive 145 m (modelled)Jul 21Jul 24, 2019 — seafloor 269 m (measured), deepest dive 109 m (modelled)Jul 24Jul 31, 2019 — seafloor 122 m (measured), deepest dive 105 m (modelled)Jul 31Aug 1, 2019 — seafloor 146 m (measured), deepest dive 82 m (modelled)Aug 1Aug 21, 2019 — seafloor 177 m (measured), deepest dive 53 m (modelled)Aug 21Aug 24, 2019 — seafloor 132 m (measured), deepest dive 72 m (modelled)Aug 24Aug 26, 2019 — seafloor -7 m (measured), deepest dive — (modelled)Aug 26Aug 28, 2019 — seafloor 93 m (measured), deepest dive 25 m (modelled)Aug 28

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

Dives

145 m
Deepest dive
4:44
Longest dive
92
Dives
32 m
Avg dive depth
9
Sightings
38
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150145 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (269 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 21, 2019

measured
Seafloor depth
269 m
Sea-surface temperature
12.8°C
Distance from shore
2.0 km

Across the residency · 9 sightings

measured
Seafloor depth
-7 m – 269 m
Sea-surface temperature
11.1°C – 13.6°C
Distance from shore
1.0 km – 2.0 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 9 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.