DiscoverSpeciesSharks and rays
Rough longnose dogfish
Deania hystricosa
- Usual depth443–855 m
- Water temperature13–23 °C
- Best monthsJuly
- How commonRare
About this species
The rough longnose dogfish is a little-known deepwater dogfish. This species was described by Samuel Garman in 1906 and originally named Acanthidium hystricosa.
Text from the Wikipedia article “Rough longnose dogfish”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 1 records
- February: 0 records
- March: 0 records
- April: 0 records
- May: 2 records
- June: 2 records
- July: 8 records
- August: 1 records
- September: 4 records
- October: 0 records
- November: 0 records
- December: 0 records
Depth and water temperature
Depth
Mostly recorded at 443–855 m · Deepest record: 1,224 m
Water temperature
Recorded in surface water of 13–23 °C
Names and classification
- English
- Rough longnose dogfish, rough longnose dogfish
Names in 4 more languages
- German
- Rauer Schnabelhai, rauh-Langnasen-Dornhai
- Spanish
- sapata áspera, tollo raspa, Tollo raspa
- French
- Squale-savate rude
- Japanese
- Sagamizame, サガミザメ
Other scientific names: Acanthidium hystricosum, Deania histricosa, Deania hystricosum, Deania mauli
Similar species
Birdbeak DogfishDeania calceus
- Arrowhead dogfish
Deania profundorum
- Longsnout dogfish
Deania quadrispinosa
Little gulper sharkCentrophorus uyato
- Gulper shark
Centrophorus granulosus
- Dumb gulper shark
Centrophorus harrissoni
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 43 open-data records from 1960 to 2009.
- Species data updated November 2, 2026.
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