#2047 · 🦈 sharks & rays
Dusky Smooth-hound
🇳🇱 Donkere toonhaai ·Mustelus canis
📍 Cape May County, US-NJ, US
📍 New York, US
📍 United States
📍 New Jersey, US
📍 United States
📍 Massachusetts, US
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Neil DeMaster · CC BY-NC 4.0
- 2. © unquity · CC BY-NC 4.0
- 3. © Phil Colarusso · CC BY-NC 4.0
- 4. © IHUNTA · CC BY-NC 4.0
- 5. Cape May County, US-NJ, US:© elephi · CC BY-NC 4.0
- 6. New York, US:© Sequoia Janirella Wrens · CC BY-NC 4.0
- 7. United States:© jfboston · CC BY-NC 4.0
- 8. New Jersey, US:© no rights reserved · CC0
- 9. United States:© Josh Davidson · CC BY-NC 4.0
- 10. Massachusetts, US:© suburbanskua · CC BY-NC 4.0
what is it?
The dusky smooth-hound ( Mustelus canis ), also called the smooth dogfish or the dog shark , is a species of houndshark in the family Triakidae. This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years. M. canis was the first shark recognised to have viral infections.
base stats
Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).
fun facts
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 1,951 observations worldwide on iNaturalist.
- Scientifically named by Samuel L. Mitchill in 1815 (211 years ago).
fact sheet
- English
- Dusky Smooth-hound
- Nederlands
- Donkere toonhaai
- scientific name
- Mustelus canis
- class
- Chondrichthyes
- order
- Carcharhiniformes
- family
- Triakidae
- IUCN Red List
- NT · near threatened
- sightings in NL
- 0
- sightings worldwide
- 1,951
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1815 by Samuel L. Mitchill
IUCN in Dutch: gevoelig. Blank means the sources don't say.
relatives· Triakidae
Sources: iNaturalist taxon 49961, Wikidata Q941962, GBIF 2418312, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.