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Heterodontus portusjacksoni  (Meyer, 1793)

Port Jackson shark
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Image of Heterodontus portusjacksoni (Port Jackson shark)
Heterodontus portusjacksoni
Male picture by Atkinson, W.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (haaien en roggen) (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Etymology: Heterodontus: Greek, heteros = other + Greek, odous = teeth (Ref. 45335).

Omgeving / Klimaat / Range Ecologie

; marien demersaal; oceanodroom (Ref. 51243); diepteverspreiding 0 - 275 m (Ref. 26346).   Subtropical; 27°S - 44°S, 112°E - 154°E

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | 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.

Length at first maturity / Size / Gewicht / Leeftijd

Maturity: Lm ?, range 80 - 95 cm
Max length : 165 cm TL mannelijk/geslacht niet bekend; (Ref. 247); common length : 137 cm TL mannelijk/geslacht niet bekend; (Ref. 247)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 2; Dorsale zachte stralen (totaal): 0; Anale stekels 0; Anale zachte stralen: 0. Harness-like narrow dark stripes on back (Ref. 9838).

Biologie     Verklarende woordenlijst (b.v. 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).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | 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.

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

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)

Status op de Rode Lijst van het IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Traumatogenic (Ref. 247)




Gebruik door de mens

Visserij: van minder commercieel belang; Aquarium: Publieke aquaria
FAO(Visserij: soortsprofiel; publication : search) | FisheriesWiki | Sea Around Us

Meer informatie

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voedselitems
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voedselhoeveelheid
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Ecotoxicologie
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Geslachtsrijpheid
Kuitschieten
Fecundity
Eieren
Ontwikkeling van de eieren
Leeftijd/Grootte
Groei
Lengte-gewicht parameters
Lengte-lengte parameters
Lengtefrequenties
Morfometrie
Morfologie
Larven
Populatiedynamica van de larven
recrutering
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Internet-bronnen

Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher gegevens | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoom, nucleotide) | GloBI | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | Publieke aquaria | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(ga naar, zoek) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 14.1 - 22.6, mean 16.8 (based on 178 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5059   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.5   ±0.48 se; Based on food items.
Weerstandsvermogen (Ref. 69278):  laag, minimale populatieverdubbelingstijd 4,5-14 jaar (tm=8-10; Fec=10).
Prior r = 0.19, 2 SD range = 0.06 - 0.62, log(r) = -1.66, SD log(r) = 0.6, Based on: 1 K, 4 tgen, 1 tmax, 2 Fec records
Kwetsbaarheid (Ref. 59153):  Very high vulnerability (76 of 100) .
Prijsklasse (Ref. 80766):   Unknown.