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

Indica – Residency

13th sighting in Chatham Strait
Fluke of Indica
Indica Confirmed in the catalog @6285
Jun 18 – 24, 2026 · Chatham Strait

Chatham Strait, June Again

Herring thick enough to feel through my skin — this channel never gets old.

53 m
Deepest dive
1:59
Longest dive
20
Dives
Sightings
2
Days between first and last sighting
6

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jun 18, 2026256 m10.0°C52 m
Jun 24, 2026278 m11.8°C53 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
Jun 18, 2026 — seafloor 256 m (measured), deepest dive 52 m (modelled)Jun 18Jun 24, 2026 — seafloor 278 m (measured), deepest dive 53 m (modelled)Jun 24

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

Dives

53 m
Deepest dive
1:59
Longest dive
20
Dives
27 m
Avg dive depth
2
Sightings
6
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010053 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (278 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 · Jun 24, 2026

measured
Seafloor depth
278 m
Sea-surface temperature
11.8°C
Distance from shore
4.0 km

Across the residency · 2 sightings

measured
Seafloor depth
256 m – 278 m
Sea-surface temperature
10.0°C – 11.8°C
Distance from shore
3.0 km – 4.0 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.