Carcharhinus leucas (Valenciennes, 1839)
Bull shark
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Carcharhinus leucas
Photo von Randall, J.E.
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Photo von Randall, J.E.
Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa
Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Etymology: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); leucas: From leukos (Gr.), white, referring to its body color, usually grayish with white underside [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
Etymology: Carcharhinus: karcharos (Gr.), sharp or jagged; rhinus, an ancient name for sharks, from rhine (Gr.), rasp, both words alluding to a shark's jagged, rasp-like skin (See ETYFish); leucas: From leukos (Gr.), white, referring to its body color, usually grayish with white underside [authorship often attributed to Müller & Henle, who published Valenciennes’ description] (See ETYFish).
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie
seewasser; süßwasser; brackwasser riff-verbunden; amphidrom (Ref. 51243); tiefenbereich 1 - 164 m (Ref. 106604), usually 1 - 30 m (Ref. 55183). Subtropical; 42°N - 39°S, 180°W - 180°E (Ref. 55182)
Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri
Cosmopolitan in tropical and subtropical waters (Ref. 81283): widespread in warm oceans, rivers and lakes (Ref. 4716). Western Atlantic: Massachusetts, USA to Argentina (Ref. 58839); eastern Atlantic: Morocco, Senegal to Angola (Ref. 81283, 81623); Indo-Pacific: Kenya and South Africa to India, then, Viet Nam to Australia; southern Baja California, Mexico to Ecuador and possibly occurring in Peru. Africa: in freshwater found in rivers of West Africa from Gambia River to Ogowe River (Ref. 81283) and in the Cuanza in Angola (Ref. 120641).
Sympatric with Carcharhinus amboinensis, Glyphis gangeticus.
Länge bei der ersten Reifung / Größe / Gewicht / Alter
Geschlechtsreife: Lm 201.0, range 180 - 230 cm
Max length : 360 cm TL Männchen/unbestimmt; (Ref. 85726); 400.0 cm TL (female); common length : 260 cm TL Männchen/unbestimmt; (Ref. 9253); max. veröff. Gewicht: 316.5 kg (Ref. 40637); max. veröff. Alter: 32 Jahre (Ref. 42004)
Max length : 360 cm TL Männchen/unbestimmt; (Ref. 85726); 400.0 cm TL (female); common length : 260 cm TL Männchen/unbestimmt; (Ref. 9253); max. veröff. Gewicht: 316.5 kg (Ref. 40637); max. veröff. Alter: 32 Jahre (Ref. 42004)
Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Afterflossenstacheln: 0. Diagnosis: Carcharhinus leucas is a massive shark with a short, broad and blunt snout, small eyes and triangular saw-edged upper teeth, and lack of interdorsal ridge, characters which are sufficient to distinguish this species (Ref. 26938).
Body shape (shape guide): fusiform / normal.
Body shape (shape guide): fusiform / normal.
A coastal and freshwater shark inhabiting shallow waters especially in bays, estuaries, rivers, and lakes (Ref. 244). It readily penetrates far up rivers and hypersaline bays and littoral lagoons (Ref. 9997, 44894, 81283). Capable of covering great distances (up to 180 kilometers in 24 hours), moving between fresh and brackish water at random (Ref. 44894). Adults often found near estuaries and freshwater inflows to the sea; young enter rivers and may be found hundreds of km from the sea (Ref. 4967, 44894, 58304). Feeds on bony fishes, other sharks, rays, mantis shrimps, crabs, squid, sea snails, sea urchins, mammalian carrion, sea turtles, and occasionally garbage (Ref. 244, 5578, 44894). Viviparous (Ref. 50449). Gives birth to litters of up to 13 young (Ref. 26938, 44894). Size at birth is 56-81 cm TL (Ref. 81623). Sexual maturity is attained after 10-15 years (at a length between 160-200 centimeters) (Ref. 44894). Though not commercially important, this species is a good food fish (Ref. 12484). Utilized fresh, fresh-frozen or smoked for human consumption, fins for soup, hide for leather, liver for oil, and carcass for fishmeal (Ref. 244). Very hardy and lives well in captivity (Ref. 244). This large shark is potentially dangerous to man (Ref. 81283), probably the most dangerous species of tropical shark (Ref. 244), and it is repeatedly implicated in attacks on humans (Ref. 4967, 44894); attacks in fresh water are rare (Ref. 44894).
Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Viviparpous, with a yolk-sac placenta, 1-13 young in a litter. Size at birth about 60 cm TL (Ref. 9997). In the western North Atlantic off Florida and the Gulf of Mexico, and off South Africa, young are born in late spring or early summer. Off Nicaragua, females may have young throughout the year, with a peak in spring and early summer. Estimated gestation period is 10 to 11 months (Ref. 244). Distinct pairing with embrace (Ref. 205). Females often have courtship scars, but males are rarely seen with fighting scars (Ref. 244).
Hauptreferenz
Laden Sie Ihre Referenzen hoch | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner
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 Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Verwundbar (VU) (A2bcd); Date assessed: 24 November 2020
Bedrohung für Menschen
Traumatogenic (Ref. 4690)
Nutzung durch Menschen
Fischereien: kommerziell; Sportfisch: ja
FAO - Fischereien: landungen; Publication: search | FishSource | Das Meer um uns herum
Mehr Information
Trophische Ökologie
Lebensmittel (Beutetiere)
Nahrungszusammensetzung
Nahrungsaufnahme
Lebensmittelrationen
Räuber
Lebensmittel (Beutetiere)
Nahrungszusammensetzung
Nahrungsaufnahme
Lebensmittelrationen
Räuber
Populationsdynamik
Wachstumsparameter
Max. Alter/Größen
Länge-Gewicht-Rel.
Länge-Länge-Verhältnis.
Längenhäufigkeiten
Massenkonvertierung
Rekrutierung
Dichte
Wachstumsparameter
Max. Alter/Größen
Länge-Gewicht-Rel.
Länge-Länge-Verhältnis.
Längenhäufigkeiten
Massenkonvertierung
Rekrutierung
Dichte
Lebenszyklus
Fortpflanzung
Geschlechtsreife
Reifung/Kiemen rel.
Fruchtbarkeit
Ablaichen
Laichaggregationen
Eier
Eientwicklung
Larven
Larven Pop.Dyn.
Fortpflanzung
Geschlechtsreife
Reifung/Kiemen rel.
Fruchtbarkeit
Ablaichen
Laichaggregationen
Eier
Eientwicklung
Larven
Larven Pop.Dyn.
Physiologie
Körperliche Zusammensetzung
Nährstoffe
Sauerstoffverbrauch
Schwimmart
Schwimmgeschwindigkeit
Visuelle Pigmente
Fischgeräusche
Krankheiten und Parasiten
Toxizität (LC50s)
Körperliche Zusammensetzung
Nährstoffe
Sauerstoffverbrauch
Schwimmart
Schwimmgeschwindigkeit
Visuelle Pigmente
Fischgeräusche
Krankheiten und Parasiten
Toxizität (LC50s)
Menschenbezogen
Aquakultur-Systeme
Aquakultur Profile
Zuchtlinien
Ciguatera-Fälle
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Aquakultur-Systeme
Aquakultur Profile
Zuchtlinien
Ciguatera-Fälle
Briefmarken, Münzen, Verschiedenes.
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref. 123201): 23.2 - 29, mean 27.5 °C (based on 2930 cells).
Phylogenetischer Diversitätsindex (Ref. 82804): PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00501 (0.00405 - 0.00621), b=3.06 (3.02 - 3.10), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophische Ebene (Ref. 69278): 4.3 ±0.5 se; based on diet studies.
Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (K=0.04-0.15; tm=6-21; tmax=32; Fec=1-13).
Nährstoffe (Ref. 124155): Calcium = 2.56 [0.48, 14.67] mg/100g; Iron = 0.304 [0.074, 0.932] mg/100g; Protein = 23 [20, 25] %; Omega3 = 0.151 [0.052, 0.397] g/100g; Selenium = 17.1 [5.0, 54.8] μg/100g; VitaminA = 28 [7, 105] μg/100g; Zinc = 0.431 [0.202, 0.866] mg/100g (wet weight);