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- Night_shark abstract "The night shark (Carcharhinus signatus) is a species of requiem shark, family Carcharhinidae, found in the temperate and tropical waters of the Atlantic Ocean. An inhabitant of the outer continental shelf and upper continental slope, this shark most commonly occurs at depths of 50–600 m (160–1,970 ft) and conducts a diel vertical migration, spending the day in deeper water and moving into shallower waters at night. Off northeastern Brazil, large numbers congregate around seamounts of varying depth. A slender, streamlined species, the night shark typically reaches a length of 2 m (6.6 ft). It can be identified by its long pointed snout and large green eyes (when alive), and is dark grayish blue or brown above and white below.Night sharks are quick, nocturnally active, schooling predators that feed mainly on small bony fishes and squid. Reproduction is viviparous as with the other members of its family; females mate during the summer and give birth to litters of usually 12–18 pups after a gestation period of a year. This deepwater species is not known to pose a danger to humans. It is caught incidentally by commercial tuna and swordfish longline fisheries in the western Atlantic, and also by a targeted longline fishery operating off northeastern Brazil. The night shark is highly valued for its fins, and additionally as a source of meat, liver oil, and fishmeal. However, most sharks caught off northeastern Brazil have been found to contain unsafe concentrations of mercury.Because of its low reproductive rate and historically documented declines in areas such as the Caribbean, the night shark has been assessed as Vulnerable by the International Union for Conservation of Nature (IUCN) and the American Fisheries Society (AFS), and listed as a "Species of Concern" by the U.S. National Marine Fisheries Service (NMFS). A population assessment has indicated that this species is secure in the waters off the United States, but this may not be true elsewhere.".
- Night_shark binomialAuthority Felipe_Poey.
- Night_shark class Chondrichthyes.
- Night_shark class Elasmobranchii.
- Night_shark conservationStatus "VU".
- Night_shark conservationStatusSystem "IUCN3.1".
- Night_shark family Requiem_shark.
- Night_shark genus Carcharhinus.
- Night_shark kingdom Animal.
- Night_shark order Carcharhiniformes.
- Night_shark phylum Chordate.
- Night_shark synonym "Hypoprion bigelowi (Cadenat, 1956)".
- Night_shark synonym "Hypoprion longirostris (Poey, 1876)".
- Night_shark synonym "Hypoprion signatus (Poey, 1868)".
- Night_shark thumbnail Carcharhinus_signatus_nmfs.jpg?width=300.
- Night_shark wikiPageID "6844389".
- Night_shark wikiPageRevisionID "574681800".
- Night_shark binomial "Carcharhinus signatus".
- Night_shark classis Chondrichthyes.
- Night_shark familia Requiem_shark.
- Night_shark genus "Carcharhinus".
- Night_shark hasPhotoCollection Night_shark.
- Night_shark imageAlt "Two bronze-colored sharks with long pointed snouts, large eyes, and small first dorsal fins lie on their sides on a pier".
- Night_shark imageWidth "240".
- Night_shark name "Night shark".
- Night_shark ordo Carcharhiniformes.
- Night_shark phylum Chordate.
- Night_shark rangeMap "Carcharhinus signatus rangemap.png".
- Night_shark rangeMapAlt "a world map with blue outlines along the eastern coast of the Americas from New England to a large patch off Argentina, and along the western coast of Africa from Senegal to Namibia".
- Night_shark rangeMapCaption "Range of the night shark".
- Night_shark rangeMapWidth "240".
- Night_shark regnum "Animalia".
- Night_shark species "C. signatus".
- Night_shark status "VU".
- Night_shark statusSystem "IUCN3.1".
- Night_shark subclassis Elasmobranchii.
- Night_shark synonyms "Hypoprion bigelowi (Cadenat, 1956)".
- Night_shark synonyms "Hypoprion longirostris (Poey, 1876)".
- Night_shark synonyms "Hypoprion signatus (Poey, 1868)".
- Night_shark subject Category:Carcharhinidae.
- Night_shark subject Category:Saltwater_fish_of_Florida.
- Night_shark type Animal.
- Night_shark type Eukaryote.
- Night_shark type Fish.
- Night_shark type Species.
- Night_shark type Fish.
- Night_shark type Organism.
- Night_shark comment "The night shark (Carcharhinus signatus) is a species of requiem shark, family Carcharhinidae, found in the temperate and tropical waters of the Atlantic Ocean. An inhabitant of the outer continental shelf and upper continental slope, this shark most commonly occurs at depths of 50–600 m (160–1,970 ft) and conducts a diel vertical migration, spending the day in deeper water and moving into shallower waters at night.".
- Night_shark label "Atlantischer Nachthai".
- Night_shark label "Carcharhinus signatus".
- Night_shark label "Carcharhinus signatus".
- Night_shark label "Carcharhinus signatus".
- Night_shark label "Nachthaai".
- Night_shark label "Night shark".
- Night_shark label "Кубинская ночная акула".
- Night_shark label "ナガハナメジロザメ".
- Night_shark sameAs Atlantischer_Nachthai.
- Night_shark sameAs Carcharhinus_signatus.
- Night_shark sameAs Carcharhinus_signatus.
- Night_shark sameAs Carcharhinus_signatus.
- Night_shark sameAs Carcharhinus_signatus.
- Night_shark sameAs ナガハナメジロザメ.
- Night_shark sameAs Nachthaai.
- Night_shark sameAs m.0gs6tq.
- Night_shark sameAs Q525968.
- Night_shark sameAs Q525968.
- Night_shark wasDerivedFrom Night_shark?oldid=574681800.
- Night_shark depiction Carcharhinus_signatus_nmfs.jpg.
- Night_shark isPrimaryTopicOf Night_shark.
- Night_shark name "Night shark".
