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 Smalltail shark (Carcharhinus porosus)

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Smalltail shark
No image of Smalltail shark found in the Shark Database
 Range Map

Earth Map


Phylum: Vertebates (Chordata)

Class: Carlilagenous Fishes (Chondrichthyes)
  Order: Ground sharks (Carcharhiniformes)
    Family: Requiem sharks (Carcharhinidae)
      Genus: Carcharhinus (Carcharhinus)


Scientific: Carcharhinus porosus
German: Atlantischer Zwerghai
English: Smalltail shark
French: Requin tiqueue
Spanish: Tiburón poroso


Small requiem shark, with a moderately long and pointed snout. Eyes are large (diameter about 1.6 to 2.5% of total body length). First dorsal fin is large and falcate, bluntly rounded apex. Origin over the inner margins of the pectorals (can also be found slightly posterior to pectoral insertion). Second dorsal fin relatively low (2.2 to 2.8% of the shark"s total body length). Origin over or slightly behind the midbase of the anal fin. Small pectoral fins, falcate and narrowly rounded or pointed. No interdorsal ridge present.


Grey upper body, light ventral surface. Tips of pectoral, dorsal, and caudal fins sometimes have inconspicuous dusky or blackish marks. Sometimes have an inconspicuous white band on flanks.


Western Atlantic: Northern Gulf of Mexico to southern Brazil (probably not in the Caribbean). Eastern Pacific: Gulf of California to Peru.


A common shark of the continental shelf, swims preferably near the bottom, down to at least 35 m. Prefers muddy bottoms and estuaries.


Feeds on fishes, to a lesser extent on invertebrates (shrimp).


Maximum size about 130 cm, average size between 90 and 110 cm.


Viviparous, with yolksac-placenta (gives birth to live young). 2 to 9 pups per litter. Gestation period probably 10 months and more. Males reach sexual maturity at about 75 cm, females at about 85 cm. Size at birth between 30 and 40 cm.

 Similar Species

Other small requiem sharks look very similar and taxonomic features should be used to clearly distinguish between the species.


Status in the IUCN Red List:

No Entry found in Red List.

 Danger to Humans


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