Heterodontus portusjacksoni, Port Jackson shark : fisheries, aquarium

Heterodontus portusjacksoni (Meyer, 1793)

Port Jackson shark
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Heterodontus portusjacksoni   AquaMaps   Data sources: GBIF OBIS
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Image of Heterodontus portusjacksoni (Port Jackson shark)
Heterodontus portusjacksoni
Male Photo von Atkinson, W.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: heteros (Gr.), different; odontos (Gr.), tooth, referring to pointy teeth (for clutching prey) at front of jaws, different than rounded molar-like teeth (for grinding hard-shelled invertebrates) at the back (See ETYFish)portusjacksoni: Of Port Jackson, Sydney, New South Wales, near Botany Bay, type locality (See ETYFish).
Eponymy: As the name implies, this shark is named after a place: Port Jackson, Sydney, New South Wales, near Botany Bay, where the type specimen was collected. [...] (Ref. 128868), visit book page.

Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet Ökologie

seewasser demersal; ozeanodrom (Ref. 51243); tiefenbereich 0 - 275 m (Ref. 26346). Subtropical; 23°S - 44°S, 112°E - 154°E

Verbreitung Territorien | FAO Gebiete | Ökosysteme | Vorkommen | Punkt Karte | Einführungen | Faunafri

Western Pacific: southern Australia (including Western Australia) and one record from New Zealand. Heterodontus bona-spei from South Africa probably refers to this species.

Länge bei der ersten Reifung / Größe / Gewicht / Alter

Geschlechtsreife: Lm 87.5, range 80 - 95 cm
Max length : 165 cm TL Männchen/unbestimmt; (Ref. 247); common length : 137 cm TL Männchen/unbestimmt; (Ref. 247)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 2; Afterflossenstacheln: 0. Harness-like narrow dark stripes on back (Ref. 9838).
Body shape (shape guide): elongated.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

A common shark of the continental shelves (Ref. 9838), from close inshore at the intertidal zone to 275 m (Ref. 6871). Segregates by sex and maturity stage (Ref. 6871). Nocturnal, hides in caves and rocky gullies during the day (Ref. 6871). Feeds on benthic invertebrates, primarily echinoderms (Ref. 247). Oviparous (Ref. 50449). Eggs with spiral flanges but lack tendrils (Ref. 6871). Undergoes yearly migrations to spawning sites during breeding season (Ref. 247). Considered harmless to people, but can deliver a painful nip when provoked (Ref. 247).

Lebenszyklus und Paarungsverhalten Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven

Oviparous. Distinct pairing with embrace (Ref. 205). Undergoes yearly migrations to breeding sites. Females lay about 10 to 16 (commonly 10-12) eggs in rock crevices on shallow sheltered reefs at depths of 1-5 m (rarely 20-30 m) during August and September (rarely in July and October). In captivity, females lay 2 eggs a day every 8-17 days. Eggs are hatched after 9-12 months and young then move into nursery areas in bays and estuaries. After the breeding season, males move into deeper waters followed by the females in late September or October.

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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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)

IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))

  nicht bedroht (LC) ; Date assessed: 18 February 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Traumatogenic (Ref. 247)





Nutzung durch Menschen

Fischereien: weniger kommerziell; Aquarium: Öffentliche Aquarien
FAO - Fischereien: Artbeschreibung; Publication: search | FishSource |

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Schätzungen auf der Grundlage von Modellen

Phylogenetischer Diversitätsindex
(Ref. 82804)
PD50 = 0.5029 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.00347 (0.00256 - 0.00469), b=3.17 (3.08 - 3.26), in cm total length, based on LWR estimates for this species (Ref. 93245).
Trophische Ebene
(Ref. 69278)
3.5   ±0.48 se; based on food items.
Widerstandsfähigkeit
(Ref. 120179)
niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (tm=8-10; Fec=10).
Anfälligkeit der Fischerei
(Ref. 59153)
High to very high vulnerability (72 of 100). 🛈
Preiskategorie
(Ref. 80766)
Unknown.
Nährstoffe
(Ref. 124155)
Calcium = 17.6 [3.6, 78.9] mg/100g; Iron = 0.653 [0.164, 1.934] mg/100g; Protein = 19.2 [17.1, 21.1] %; Omega3 = 0.215 [0.096, 0.466] g/100g; Selenium = 34.5 [10.4, 97.4] μg/100g; VitaminA = 5.8 [1.9, 16.9] μg/100g; Zinc = 0.526 [0.262, 0.951] mg/100g (wet weight);