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Tawny nurse shark (Nebrius ferrugineus) — Ginglymostomatidae

Tawny nurse shark

Nebrius ferrugineus

The Tawny nurse shark (Nebrius ferrugineus) is a saltwater fish of the family Ginglymostomatidae that grows up to 320 cm.

Length
320 cm
Water
Saltwater
Depth
0.0–70.0 m
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Stone or rock
Danger
May bite
Range
Asia: American Samoa, Australia, Bahrain, Bangladesh, Myanmar, Cambodia and others
Edibility
Commonly eaten

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Description

The tawny nurse shark is a large nurse shark (Ginglymostomatidae) from the Indo-Pacific. The species grows to about 3.2 metres and has a robust, tawny-brown body with a broad, blunt head, small eyes and a pair of barbels. As a nocturnal bottom-dweller it rests by day in caves and under overhangs and at night sucks prey from crevices with powerful suction jaws: crustaceans, octopus and fish. It is usually placid, but can bite fiercely and clamp hard when disturbed; caution is advised.

Frequently asked questions

How do you recognise the Tawny nurse shark?

The Tawny nurse shark has an elongate, eel-like body and is mainly brown. Can bite with sharp teeth or powerful jaws; handle with care.

Where does the Tawny nurse shark live?

The Tawny nurse shark lives in the sea (marine waters) and is mostly found around stony or rocky ground. Asia: American Samoa, Australia, Bahrain, Bangladesh, Myanmar, Cambodia and others

How big does the Tawny nurse shark get?

The Tawny nurse shark grows to a maximum of about 320 cm. On average the species is around 250 cm.

Is the Tawny nurse shark dangerous to humans?

The Tawny nurse shark can bite, but is otherwise not dangerous to humans. Keep your distance and handle caught animals carefully. For a bite: apply firm pressure to stop bleeding, rinse with clean water and cover with a sterile dressing. Shark bites are deep and prone to infection: always seek medical assessment and check tetanus status.

Is the Tawny nurse shark edible?

Yes, the Tawny nurse shark is commonly eaten.

More photos

Tawny nurse shark (Nebrius ferrugineus) — Ginglymostomatidae — 2
iNaturalist ((c) JiJi El Sawy, some rights reserved (CC BY-NC))
Tawny nurse shark (Nebrius ferrugineus) — Ginglymostomatidae — 3
iNaturalist ((c) craigjhowe, some rights reserved (CC BY-NC))
Tawny nurse shark (Nebrius ferrugineus) — Ginglymostomatidae — 4
iNaturalist ((c) craigjhowe, some rights reserved (CC BY-NC))
Tawny nurse shark (Nebrius ferrugineus) — Ginglymostomatidae — 5
iNaturalist ((c) craigjhowe, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Tawny nurse shark sourced
Scientific name
Nebrius ferrugineus
Family
Ginglymostomatidae
Other names
Giant sleepy shark; Giant Sleepy -shark; Madame X; Nurse shark; Tawny shark; Sleepy shark; Spitting shark; Rusty shark; Rusty catshark verified

Appearance

Size class
Extra large verified
Max length (cm)
320.0 verified
Average length (cm)
250.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Tail shape
Crescent (lunate) inferred
Barbels
Yes sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Stone or rock sourced
Min depth (m)
0.0 verified
Max depth (m)
70.0 verified
Natural range
Asia: American Samoa, Australia, Bahrain, Bangladesh, Myanmar, Cambodia and others sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Activity
Nocturnal sourced
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Can bite with sharp teeth or powerful jaws; handle with care. inferred

For anglers

Edibility
Commonly eaten inferred
Fishing method
Fishing with natural bait (fish, shrimp, worm) or lures close to reef and rock structures. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
May bite verified
First aid
Keep your distance and handle caught animals carefully. For a bite: apply firm pressure to stop bleeding, rinse with clean water and cover with a sterile dressing. Shark bites are deep and prone to infection: always seek medical assessment and check tetanus status. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Ginglymostomatidae

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