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

Milkweed – Residency

9th sighting in Gulf of Maine
Fluke of Milkweed
Milkweed Confirmed in the catalog @14868
Aug 29 – Nov 18, 2018 · Gulf of Maine

Gulf of Maine · Aug – Nov 2018

—
Deepest dive
—
Longest dive
—
Dives
Sightings
2
Days between first and last sighting
81

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Aug 29, 201875 m22.4°C—
Nov 18, 201837 m10.2°C—

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
Aug 29, 2018 — seafloor 75 m (measured), deepest dive — (modelled)Aug 29Nov 18, 2018 — seafloor 37 m (measured), deepest dive — (modelled)Nov 18

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

Dives

—
Deepest dive
—
Longest dive
—
Dives
—
Avg dive depth
2
Sightings
81
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
02550startdive sequence (illustrative)

Modelled from the published dive-behaviour distribution. 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 · Nov 18, 2018

measured
Seafloor depth
37 m
Sea-surface temperature
10.2°C
Distance from shore
10.0 km

Across the residency · 2 sightings

measured
Seafloor depth
37 m – 75 m
Sea-surface temperature
10.2°C – 22.4°C
Distance from shore
10.0 km – 18.0 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).

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