Overview

Distribution

Distribution: South Africa to Japan and Australia and New Zealand; Eastern Pacific from California to Galapagos Islands and Peru. Two dorsal fins, each with a spine. Only sharks with dorsal spines and anal fin present. Five pairs of gill slits; eyes without nictitating fold; small spiracles present; nostrils connected with mouth by deep groove. Small species (max 165 cm) with small mouth; anterior teeth small and cuspidate, posterior enlarged and molariform; snout very short and bluntly rounded. Sluggish nocturnal bottom sharks, mainly in shallow waters. Benthos feeder. Oviparous, producing eggs in unique, large, spiral-flanged egg cases. heter- (gr.) = different, odont- (gr.) = tooth
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Ecology

Habitat

These are warm-temperate and tropical bottom sharks of water above 21°C, mostly confined to the continental and insular shelves and uppermost slopes. They occur from the intertidal to 275 m depth, but most are found in water shallower than 100 m.
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© WoRMS for SMEBD

Source: World Register of Marine Species

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:128
Specimens with Sequences:81
Specimens with Barcodes:36
Species:8
Species With Barcodes:7
Public Records:13
Public Species:4
Public BINs:4
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© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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Barcode data

Creative Commons Attribution 3.0 (CC BY 3.0)

© Barcode of Life Data Systems

Source: Barcode of Life Data Systems (BOLD)

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