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🌊 Marine Least Concern 🌡️ Subtropical

Creek whaler

Carcharhinus fitzroyensis Whitley, 1943
Max Length
135 cm
Max Weight
Lifespan
Trophic Level
4.1
Depth
0–40 m
Climate
Subtropical
Resilience
Very low
Vulnerability
55.00/100
Typical Length
Depth Zone
demersal

📖 Overview

A little-known shark found inshore and offshore on the continental shelves from the intertidal to at least 40 m depth . Feeds mainly on teleost fishes, also crustaceans . Viviparous . Utilized for human consumption and probably for the oriental shark fin trade .

Scientific Name
Carcharhinus fitzroyensis
Authority
Whitley, 1943
Habitat
Marine
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
135 cm
Depth Range
0–40 m
Trophic Level
4.1
Resilience
Very low
Vulnerability
55.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Bronze above, fading to grayish brown after death and in preserved specimens; light below, without conspicuous markings on fins; no conspicuous white band on flanks .: fusiform / normal.

🌀 Behaviour

Behavioural data for Creek whaler is currently being reviewed.

🦐 Diet

Diet information for Creek whaler is currently being compiled.

🥚 Reproduction

🐣 Viviparous 🤰 Viviparous
Size at Maturity
94.5cm TL

Viviparous, placental . Females give birth to 1-7 pups every year between February and May . Size at birth about 50 cm . Distinct pairing with embrace .

🌍 Habitat & Distribution

Marine; brackish; demersal; depth range 0 - 40 m . Subtropical; 10°S - 26°S Recorded in the Arafura Sea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
4.1±0.6
Food Items

teleost fishes, also crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00331 × L3.07 (TL)
Max TL
135cm

🌡️ 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
55.00/100
Moderate-High vulnerability
Trophic Level
4.1
Apex / Top predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Whitley, 1943

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