Heterotheca (FS) @12799
North Pacific humpback. Catalogued since 2003.
Chatham Strait · North Pacific
64 Following 41 Followers18
Sightings
24
Years
4
Crossings
Sightings by year
2003 – 20262003
2009
2015
2021
’26
Season Trends
DeepEffort across the feeding and breeding grounds, year over year.
Unlock with Risa DeepTrophy case
4 earnedCrossed the Gulf
First of the Year
Multi-Decade Veteran
Crossed the Gulf of Alaska — resighted on both the Hawaii breeding grounds and the Alaska feeding grounds.
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Pods
64 followingAmazona (FS) @41188 since Jun 21, 2026
Aminita (FS) @5830 since Jun 20, 2026
SEAK-5141 @22732 since Jun 20, 2026
Amorphe @5831 since Jun 20, 2026
Fragipanni (FS) @18102 since Jun 19, 2026
Recent activity
Chatham Strait · Apr 2026–Jun 2026 Jun 18, 2026 · Chatham Strait 24 m deepest· 1:32 longest Au'au Channel · Nov 2025–Jan 2026 Jan 25, 2026 · Au'au Channel 63 m deepest· 2:23 longest Chatham Strait · Aug 2025 Aug 6, 2025 · Chatham Strait 104 m deepest· 4:08 longest Chatham Strait · Jul 2022–Aug 2022 Aug 19, 2022 · Chatham Strait 228 m deepest· 9:11 longest
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