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🌊 Marine Least Concern 🌡️ Tropical

Australian sharpnose shark

Rhizoprionodon taylori Ogilby, 1915
Max Length
69.1 cm
Max Weight
-
Lifespan
7 yrs
Trophic Level
4.5
Depth
-
Climate
Tropical
Resilience
Very low
Vulnerability
33.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

A little-known shark found on the continental shelf from close inshore to a depth of at least 110 m . Feeds mainly on fishes, but also takes cephalopods and crustaceans . Viviparous . Caught frequently by inshore demersal gillnet fisheries off Papua, but rarely elsewhere. Utilized for its fins and meat. Too small to be of any commercial importance .

Scientific Name
Rhizoprionodon taylori
Authority
Ogilby, 1915
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
69.1 cm
Lifespan
7 years
Trophic Level
4.5
Resilience
Very low
Vulnerability
33.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Brownish grey above, white below, fins light-edged but not conspicuously marked .: fusiform / normal.

🌀 Behaviour

Behavioural data for Australian sharpnose shark is currently being reviewed.

🦐 Diet

small fish
crustaceans
cephalopods

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous
Size at Maturity
47cm TL

Viviparous, with a yolk-sac placenta and 1-10 pups after a gestation period of 11-12 months; born at ~ 25 cm TL; very rapid growth. Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; pelagic-oceanic; depth range ? - 300 m . Tropical; 8°S - 28°S

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
4.5
Food Items

fishes, but also takes cephalopods and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00427 × L3.1 (TL)
Max TL
69.1cm

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
Very low
Minimum doubling time
Fishing Vulnerability
33.00/100
Low vulnerability
Trophic Level
4.5
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Ogilby, 1915

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