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

LadyJ – Residency

5th sighting in Chatham Strait
Fluke of LadyJ
LadyJ Confirmed in the catalog @14711
Jul 19 – Sep 26, 2020 · Chatham Strait

Chatham Strait · Jul – Sep 2020

40 m
Deepest dive
2:32
Longest dive
10
Dives
Sightings
2
Days between first and last sighting
69

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jul 19, 202081 m12.8°C40 m
Sep 26, 2020117 m10.5°C23 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, 2020 — seafloor 81 m (measured), deepest dive 40 m (modelled)Jul 19Sep 26, 2020 — seafloor 117 m (measured), deepest dive 23 m (modelled)Sep 26

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

Dives

40 m
Deepest dive
2:32
Longest dive
10
Dives
18 m
Avg dive depth
2
Sightings
69
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255040 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (81 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 19, 2020

measured
Seafloor depth
81 m
Sea-surface temperature
12.8°C
Distance from shore
1.0 km

Across the residency · 2 sightings

measured
Seafloor depth
81 m – 117 m
Sea-surface temperature
10.5°C – 12.8°C
Distance from shore
1.0 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 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).

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