Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of Maine

Streetlight – Residency

11th sighting in Gulf of Maine
Fluke of Streetlight
Streetlight Confirmed in the catalog @28307
Jul 15 – Aug 8, 2026 · Gulf of Maine

Shelf Water Regular

Mid-summer, cold shelf water, good bait, plenty of company lunging beside me.

72 m
Deepest dive
2:44
Longest dive
35
Dives
Sightings
3
Days between first and last sighting
24

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 15, 202650 m14.2°C37 m
Jul 23, 2026192 m14.2°C72 m
Aug 8, 202653 m16.7°C44 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 15, 2026 — seafloor 50 m (measured), deepest dive 37 m (modelled)Jul 15Jul 23, 2026 — seafloor 192 m (measured), deepest dive 72 m (modelled)Jul 23Aug 8, 2026 — seafloor 53 m (measured), deepest dive 44 m (modelled)Aug 8

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

Dives

72 m
Deepest dive
2:44
Longest dive
35
Dives
21 m
Avg dive depth
3
Sightings
24
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
05010072 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (192 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 23, 2026

measured
Seafloor depth
192 m
Sea-surface temperature
14.2°C
Distance from shore
15.0 km

Across the residency · 3 sightings

measured
Seafloor depth
50 m – 192 m
Sea-surface temperature
14.2°C – 16.7°C
Distance from shore
4.0 km – 15.0 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 3 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.