Water Monster · Portugal · 1855
POR-1855ID case-5c55cd73c3Fallback locationAdded to map Oct 30, 2026
- Creature
- Water Monster
- When
- Sep 1855to the month
- Where
- Portugalfallback location
- Reports
- 1 document1 independent
The account
A witness recounts being on a frigate off Portugal when the crew spotted and fired upon a large black monster identified as a sea serpent, which vanished leaving only blood.
See the source ↓ one document so far, so there is no trail to follow yet
We map claims, not creatures: this is what the sources say, not proof. How a case is built
Details
- Creature
- Water Monster
- Where
- Portugal
mapped to country level · from the country named in the report (exact place not found)
Fallback location (drawn hollow on the map): this is the country named in the report (exact place not found). - When
- Sep 1855
- Account
- Not first-hand (retold or reported by someone else)
- Backed by
- 1 independent source
- Added to map
- Oct 30, 2026
- Case id
- case-5c55cd73c3
Place lookups use data © OpenStreetMap contributors (ODbL), via Nominatim. All credits
Source trail (1)
Every link goes to where we found the account. The earliest we found is marked; it is the earliest found, not necessarily the original.
- Image 1 of Evening star (Washington, D.C.), September 17, 1855
Newspaper · 1855-09-17
Earliest found, not necessarily the original.
Further reading
- The Great New England Sea Serpent, J. P. O'Neill (1999)
Account of the 1817 Gloucester sightings and later reports.
Borrow on Internet Archive - On the Track of Unknown Animals, Bernard Heuvelmans (1959)
The founding work of cryptozoology.
Borrow on Internet Archive - Cryptozoology A to Z, Loren Coleman and Jerome Clark (1999)
Encyclopedia of reported creatures.
Borrow on Internet Archive - Abominable Science!, Daniel Loxton and Donald Prothero (2013)
Skeptical history of the Yeti, Nessie and others.
Borrow on Internet Archive
Books we have not reproduced: borrow them free at archive.org. Listing a book is not an endorsement of its claims.