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

Fishhook – Residency

7th sighting in Chatham Strait
Fluke of Fishhook
Fishhook Confirmed in the catalog @18134
Jul 25 – 29, 2024 · Chatham Strait

Chatham Strait · Jul 2024

107 m
Deepest dive
3:14
Longest dive
17
Dives
Sightings
2
Days between first and last sighting
4
Deepest dive on record
107 m · this residency

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 25, 2024198 m11.3°C107 m
Jul 29, 2024155 m10.6°C29 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 25, 2024 — seafloor 198 m (measured), deepest dive 107 m (modelled)Jul 25Jul 29, 2024 — seafloor 155 m (measured), deepest dive 29 m (modelled)Jul 29

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

Dives

107 m
Deepest dive
3:14
Longest dive
17
Dives
26 m
Avg dive depth
2
Sightings
4
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150107 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (198 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 25, 2024

measured
Seafloor depth
198 m
Sea-surface temperature
11.3°C
Distance from shore
1.0 km

Across the residency · 2 sightings

measured
Seafloor depth
155 m – 198 m
Sea-surface temperature
10.6°C – 11.3°C
Distance from shore
1.0 km – 5.0 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).

Happywhale runs on donations: support Happywhale →

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