Carcharhinus tilstoni

(WHITLEY, 1950)


Australian blacktip shark
Classification: Elasmobranchii Carcharhiniformes Carcharhinidae

Reference of the original description
WHITLEY, G.P. (1950)
A new shark from north-western Australia. Western Australian Naturalist, 2 (5): 100-105

Synonyms / new combinations and misspellings
Carcharhinus tilsoni, Galeolamna pleurotaenia tilstoni

Types
Carcharhinus tilstoni
Holotype: AMS: IB.2421; AMS: IB.2421.001; AMS: IB.2421.002; Paratype: AMS: IB.2552; AMS: IB.3803; AMS: IB.3803.001;


Description:


Citation: Carcharhinus tilstoni (WHITLEY, 1950): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2014

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Carcharhinus tilstoni (WHITLEY, 1950), © FAO, www.fish-base.org

Common names
eng Australian blacktip shark, eng Blacktip shark, eng Blacktip whaler, eng Tilston"s whaler shark, eng Whitley"s blacktip shark

Short Description
Back dark grey, ashy blue or dusky bronze; belly white or yellowish white; a dark band extending rearward along each side to about over origin of pelvic fin; tips of pelvic fins with a persistent black spot [544].

Distribution
Indo-West Pacific: currently known only from the continental shelf of tropical Australia. Very similar to Carcharhinus limbatus and reliably distinguished only by biochemical studies and vertebral counts (Ref. 9819).

Human uses
fisheries: minor commercial; price category: medium; price reliability: very questionable: based on ex-vessel price for species in this family

Biology
Viviparous, placental [733]. The average litter size is 3, with a range of 1-6, average total length at birth is 60 cm. Pups are born in January after a 10-month gestation period. These sharks breed once each year [4209]. Distinct pairing with embrace [17086]. Occurs on the continental shelf (Ref. 75154). Found throughout the water column [1388]. Feeding depth changes with shark size [4209].

Size / Weight / Age
200 cm TL (male/unsexed; [544]); max. published weight: 52.0 kg (Ref. 6390); max. reported age: 12 years (Ref. 6390)

Habitat
pelagic-neritic; brackish; marine; depth range ? - 150 m [1388]

Parasites (arranged by Jürgen Pollerspöck)
Cestoda
Copepoda