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

Measles – Residency

7th sighting in Gulf of Maine
Fluke of Measles
Measles Confirmed in the catalog @15294
Jul 11 – 14, 2026 · Gulf of Maine

July, Same Green Light

Sandy shoals, small fish, and me finding both again this July.

38 m
Deepest dive
1:35
Longest dive
15
Dives
Sightings
2
Days between first and last sighting
3

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Jul 11, 202653 m20.4°C32 m
Jul 14, 202645 m20.5°C38 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 11, 2026 — seafloor 53 m (measured), deepest dive 32 m (modelled)Jul 11Jul 14, 2026 — seafloor 45 m (measured), deepest dive 38 m (modelled)Jul 14

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

Dives

38 m
Deepest dive
1:35
Longest dive
15
Dives
19 m
Avg dive depth
2
Sightings
3
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
0255038 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (45 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 14, 2026

measured
Seafloor depth
45 m
Sea-surface temperature
20.5°C
Distance from shore
8.0 km

Across the residency · 2 sightings

measured
Seafloor depth
45 m – 53 m
Sea-surface temperature
20.4°C – 20.5°C
Distance from shore
8.0 km – 9.0 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.