Haploblepharus edwardsii (Schinz, 1822)

Puffadder shyshark

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Carcharhiniformes \| Scyliorhinidae
Synonyms	Scyllium edwardsii, ... more
Common names	... more

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Image of Haploblepharus edwardsii (Puffadder shyshark)

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This map was computer-generated and has not yet been reviewed.

AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1984. (Ref. 244)
Other references | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators

Size / Weight / Age

Max length : 59.0 cm TL male/unsexed; (Ref. 244); 60 cm TL (female)

Length at first maturity

, range 41 - 51 cm

Environment

Demersal; marine; depth range 0 - 130 m (Ref. 5510), usually 40 - 130 m (Ref. 5510)

Climate / Range

Subtropical; 29°S - 35°S

Southeast Atlantic: Cape Agulhas to Natal in South Africa. There are two different forms of this species, the 'Cape' and 'Natal' types, which differ in coloration and habitat and might be geographic variants or two distinct species (Ref. 6782).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. Southeastern Cape form: sandy brown with 7 reddish-brown saddles bordered by black, and numerous small, dark brown and white spots between saddles; white below (Ref. 5578). Natal form: body cream in color with darker brown saddles and irregular white spots; white below (Ref. 5578).

Found in inshore and offshore waters of the continental shelf, on sandy and rocky bottoms (Ref. 244). Feeds on bony fishes, crustaceans and cephalopods (Ref. 244). Oviparous (Ref. 50449). Caught by surf anglers (Ref. 244).


IUCN Red List Status (Ref. 57073)	Threat to humans
Lower Risk: near threatened (LR/nt)	Harmless

Human uses
Fisheries: subsistence fisheries; gamefish: yes


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment Abundance	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

Tools
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Check for Aquarium maintenance \| Check for Species Fact Sheets \| Check for Aquaculture Fact Sheets

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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Phylogenetic diversity index (Ref. 82805)

PD₅₀ = 0.5625

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (Fec assumed to be <10)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low to moderate vulnerability (34 of 100)	Low

Entered by Carpenter, Kent E.

Modified by Capuli, Estelita Emily

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