The Roughskin dogfish (Centroscymnus owstonii) is a saltwater fish of the family Somniosidae that grows up to 148 cm.
Description
The roughskin dogfish is a deep-sea shark occurring worldwide in the Atlantic, Pacific and Indian Oceans. The species grows to about 1.5 metres and has a stocky, dark-brown to black body with rough skin and large, green eyes. It lives along the continental slope between about 100 and 1500 metres depth and hunts fish and squid. Its large, oil-rich liver is used for squalene. The flesh is high in mercury and poisonous to eat. Through fishing pressure it is listed as Vulnerable (VU) on the IUCN Red List.
Frequently asked questions
How do you recognise the Roughskin dogfish?
The Roughskin dogfish has an elongate, eel-like body, is mainly black and shows a plain pattern.
Where does the Roughskin dogfish live?
The Roughskin dogfish lives in the sea (marine waters) and is mostly found around sand or mud bottom.
How big does the Roughskin dogfish get?
The Roughskin dogfish grows to a maximum of about 148 cm.
Is the Roughskin dogfish dangerous to humans?
The Roughskin dogfish is venomous — handle spines with care and seek medical help after a sting if needed.
Is the Roughskin dogfish edible?
The Roughskin dogfish is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Centroscymnus
More from the family Somniosidae
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