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Chatham Strait

Maltease – Residency

16th sighting in Chatham Strait
Fluke of Maltease
Maltease Confirmed in the catalog @16852
May 30 – Sep 18, 2022 · Chatham Strait

Chatham Strait · May – Sep 2022

177 m
Deepest dive
4:52
Longest dive
169
Dives
Sightings
15
Days between first and last sighting
111

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
May 30, 202247 m9.4°C34 m
May 31, 202285 m9.6°C62 m
Jun 10, 202227 m11.1°C22 m
Jun 26, 202268 m11.4°C41 m
Jun 27, 2022365 m11.9°C177 m
Jun 28, 2022416 m11.7°C79 m
Jul 19, 202290 m13.8°C48 m
Jul 25, 202270 m13.0°C58 m
Jul 26, 202275 m12.9°C67 m
Aug 9, 2022113 m13.2°C82 m
Aug 15, 202232 m13.4°C28 m
Aug 20, 202266 m13.1°C46 m
Aug 21, 2022140 m13.5°C24 m
Sep 17, 202249 m10.8°C45 m
Sep 18, 202253 m10.9°C31 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
May 30, 2022 — seafloor 47 m (measured), deepest dive 34 m (modelled)May 30May 31, 2022 — seafloor 85 m (measured), deepest dive 62 m (modelled)Jun 10, 2022 — seafloor 27 m (measured), deepest dive 22 m (modelled)Jun 26, 2022 — seafloor 68 m (measured), deepest dive 41 m (modelled)Jun 26Jun 27, 2022 — seafloor 365 m (measured), deepest dive 177 m (modelled)Jun 28, 2022 — seafloor 416 m (measured), deepest dive 79 m (modelled)Jul 19, 2022 — seafloor 90 m (measured), deepest dive 48 m (modelled)Jul 19Jul 25, 2022 — seafloor 70 m (measured), deepest dive 58 m (modelled)Jul 26, 2022 — seafloor 75 m (measured), deepest dive 67 m (modelled)Aug 9, 2022 — seafloor 113 m (measured), deepest dive 82 m (modelled)Aug 9Aug 15, 2022 — seafloor 32 m (measured), deepest dive 28 m (modelled)Aug 20, 2022 — seafloor 66 m (measured), deepest dive 46 m (modelled)Aug 21, 2022 — seafloor 140 m (measured), deepest dive 24 m (modelled)Aug 21Sep 17, 2022 — seafloor 49 m (measured), deepest dive 45 m (modelled)Sep 18, 2022 — seafloor 53 m (measured), deepest dive 31 m (modelled)

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

Dives

177 m
Deepest dive
4:52
Longest dive
169
Dives
23 m
Avg dive depth
15
Sightings
111
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
0100200177 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (365 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 · Jun 27, 2022

measured
Seafloor depth
365 m
Sea-surface temperature
11.9°C
Distance from shore
8.0 km

Across the residency · 15 sightings

measured
Seafloor depth
27 m – 416 m
Sea-surface temperature
9.4°C – 13.8°C
Distance from shore
1.0 km – 8.0 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 15 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.