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Heterodontus portusjacksoni  (Meyer, 1793)

Port Jackson shark
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Heterodontus portusjacksoni
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Australia country information

Common names: Bullhead, Bullhead shark, Dogshark
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: of no interest | Ref: Last, P.R. and J.D. Stevens, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in southern Australia, from Houtman Abrolhos in Western Australia to Byron Bay in New South Wales, including Tasmania (Ref. 6871). Records from York Sound in northern Western Australia and Moreton Bay in Queensland are questionable (Ref. 6871). Bycatch of the southern shark gillnet fishery but it not used as food (Ref. 6871). Also Ref. 247, 7300, 9838, 26346.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Heterodontiformes (Bullhead and horn sharks) > Heterodontidae (Bullhead, horn, or Port Jackson sharks)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 165 cm TL male/unsexed; (Ref. 247); common length : 137 cm TL male/unsexed; (Ref. 247)

Length at first maturity
Lm ?, range 80 - 95 cm

Environment

Marine; demersal; oceanodromous (Ref. 51243); depth range 0 - 275 m (Ref. 26346)

Climate / Range

Subtropical; 27°S - 44°S, 112°E - 154°E

Distribution

Western Pacific: southern Australia (including Western Australia) and one record from New Zealand. Heterodontus bona-spei from South Africa probably refers to this species.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Harness-like narrow dark stripes on back (Ref. 9838).

Biology     Glossary (e.g. 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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Traumatogenic (Ref. 247)



Human uses

Fisheries: minor commercial; aquarium: public aquariums

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
Mass conversion
Collaborators
Pictures
Stamps, Coins
Sounds
Ciguatera
Speed
Swim. type
Gill area
Otoliths
Brains
Vision

Tools

Special reports

Download XML

Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: species profile; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | Public aquariums | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5059 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.5   ±0.48 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (tm=8-10; Fec=10)

Vulnerability (Ref. 59153)
Very high vulnerability (76 of 100)
Price category (Ref. 80766)
Unknown