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Mustelus canis (Mitchill, 1815)
DUSKY SMOOTH-HOUND
Smooth Dogfish

Life   Vertebrata   Fish   Triakidae   Mustelus


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Common name (e.g. trout)

Genus + Species (e.g. Gadus morhua)

Mustelus canis   (Mitchill, 1815)

Dusky smooth-hound Add your observation in Fish Watcher
Native range | All suitable habitat | Year 2100
Reviewed map
Mustelus canis   AquaMaps   Data sources: GBIF OBIS
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Pictures | Sounds | Google image Image of Mustelus canis (Dusky smooth-hound) Mustelus canis
Picture by Flescher, D.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Triakinae
Etymology: Mustelus: Latin, mustela, -ae = weasel (Ref. 45335 ) .

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; brackish; demersal; oceanodromous (Ref. 51243 ); depth range 0 - 800 m (Ref. 55584 ), usually 18 - 200 m (Ref. 55309 ).   Subtropical; 42°N - 44°S, 100°W - 46°W (Ref. 55309 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Atlantic: Massachusetts to Florida (USA), northern and western Gulf of Mexico, Venezuela, Cuba, Jamaica, Barbados, Bermuda, Bahamas; southern Brazil to northern Argentina; also western Gulf of Mexico and Antilles (Ref. 26938 ). Northwest Atlantic: Canada (Ref. 5951 ). Allopatric with Mustelus mustelus and sympatric with Mustelus norrisi . One of the two new allopatric species of canis- norrisi-like smooth-hounds in this region is often confused with this species (Ref. 244 ). The subspecies Mustelus canis insularis , occurring at several Caribbean islands, was identified by Heemstra (Ref. 27770 ).

Length at first maturity / Size / Weight / Age

Maturity: L m 102.0 , range 95 - 100 cm
Max length : 150 cm TL male/unsexed; (Ref. 244 ); common length : 100.0 cm TL male/unsexed; (Ref. 6077 ); max. published weight: 12.2 kg (Ref. 40637 )

Short description Morphology | Morphometrics

A small, slim shark. Well-serrated dorsal fins, second nearly as large as first (Ref. 26938 ).

Biology     Glossary (e.g. epibenthic)

Found on continental and insular shelves and upper slopes, ranging from shallow inshore waters and the intertidal to 200 m, occasionally down to 579 m (Ref. 244 ). Occasionally found in freshwater. It is doubtful that this species can live in fresh water for an extended period of time (Ref. 244 ). Active swimmer and bottom feeder (Ref. 27549 ). Swims in packs or schools (Ref. 27549 ). Feeds on large crustaceans, mainly crabs, but also heavily on lobsters ( Homarus ) (Ref. 244 ). Probably non-territorial. Off the Atlantic coast of the USA, this species is migratory (Ref. 244 ). Viviparous (with a yolk-sac placenta), with 4 to 20 young in a litter. Longevity given as 7 years (Ref. 775 ) but appears too low. Utilized fresh, dried-salted, and smoked (Ref. 9987 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Viviparous (Ref. 26281 , 35307 , 50449 ), with a yolk-sac placenta; with 4 to 20 young per litter. Distinct pairing with embrace (Ref. 205 ).

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

Compagno, L.J.V. , 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244 )

IUCN Red List Status (Ref. 115185 )

  Near Threatened (NT)  

CITES (Ref. 115941 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; gamefish: yes FAO(fisheries: production ; publication : search ) | FishSource | Sea Around Us

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
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Stamps, Coins Misc.
Sounds
Ciguatera
Speed
Swim. type
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Otoliths
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Tools

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Special reports

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Summary page | Point data | Common names | Photos

Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | Public aquariums | PubMed | Reef Life Survey | SeaLifeBase | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969 ): 7.8 - 27.5, mean 22.4 (based on 1206 cells). Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.00229 (0.00142 - 0.00370), b=3.11 (2.97 - 3.25), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.6   ±0.2 se; Based on diet studies. Resilience (Ref. 69278 ):  Low, minimum population doubling time 4.5 - 14 years (K=0.04-0.43; tm=2-5; tmax=7; Fec= 4-20). Prior r = 0.16, 2 SD range = 0.02 - 1.15, log(r) = -1.83, SD log(r) = 0.98, Based on: 2 K, 10 tgen, 1 Fec records Vulnerability (Ref. 59153 ):  Very high vulnerability (87 of 100) . Price category (Ref. 80766 ):   Medium .

Entered by Carpenter, Kent E. Modified by Kesner-Reyes, Kathleen Fish Forum
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