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Heterodontus galeatus  (Günther, 1870)

Crested bullhead shark
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Native range | All suitable habitat | Point map | Year 2100
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Heterodontus galeatus   AquaMaps   Data sources: GBIF OBIS
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Image of Heterodontus galeatus (Crested bullhead shark)
Heterodontus galeatus
Picture by Atkinson, W.


Australia country information

Common names: Crested bull shark, Crested bullhead shark, Crested horn shark
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: subsistence fisheries | Ref: Coppola, S.R., W. Fischer, L. Garibaldi, N. Scialabba and K.E. Carpenter, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in eastern Australia, from Cape Moreton in southern Queensland to Batemans Bay in New South Wales (Ref. 7300). One record of egg case from Moa Is., Queensland (Ref. 7300). Possibly found in Cape York (Ref. 6871). Also Ref. 247, 9838.
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 : 152 cm TL male/unsexed; (Ref. 247); common length : 122 cm TL male/unsexed; (Ref. 247); max. reported age: 12 years (Ref. 72467)

Length at first maturity
Lm ?, range 70 - ? cm

Environment

Marine; reef-associated; depth range 0 - 93 m (Ref. 54545)

Climate / Range

Temperate, preferred ?; 27°S - 35°S, 150°E - 155°E

Distribution

Western Pacific: eastern Australia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 2; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Body with broad blackish bands or saddle markings (Ref. 9838).

Biology     Glossary (e.g. epibenthic)

A moderately common benthic and epibenthic shark found on the continental shelf (Ref. 247, 43278). Occurs from close inshore to about 93 m depth (Ref. 247, 43278). Feeds primarily on sea urchins, but also on crustaceans, mollusks, and small fishes (Ref. 31369). Oviparous, egg cases spirally flanged and with long tendrils (Ref. 6871). Hatches at about 22 cm (Ref. 6871).

IUCN Red List Status (Ref. 90363)

Threat to humans

  Traumatogenic



Human uses

Fisheries: minor commercial

More information

Countries
FAO areas
Ecosystems
Occurrences
Introductions
Stocks
Ecology
Diet
Food items
Food consumption
Ration
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

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Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | 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)
3.7   ±0.53 se; Based on food items.

Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (tm=11.8)

Vulnerability (Ref. 59153)
Very high vulnerability (87 of 100)
Price category (Ref. 80766)
Unknown