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Carcharhinus melanopterus  (Quoy & Gaimard, 1824)

Blacktip reef shark
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Image of Carcharhinus melanopterus (Blacktip reef shark)
Carcharhinus melanopterus
Picture by Randall, J.E.


Australia country information

Common names: Blacktip reef shark, Blacktip shark, Guliman
Occurrence: native
Salinity: brackish
Abundance: | Ref:
Importance: subsistence fisheries | Ref: Last, P.R. and J.D. Stevens, 1994
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in northern Australia, from Shark Bay in Western Australia to Moreton Bay in Queensland (Ref. 6871). Consumed by the Australian Aborigines as 'buunhdhaarr', in which the liver and flesh are boiled separately, and then minced and mixed together (Ref. 6871). Also Ref. 244, 2334, 7300, 9997, 33390.
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Carcharhinidae (Requiem sharks)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Main reference

Size / Weight / Age

Max length : 200 cm TL male/unsexed; (Ref. 5578)

Length at first maturity
Lm ?, range 91 - 120 cm

Environment

Marine; brackish; reef-associated; amphidromous (Ref. 51243); depth range 20 - 75 m (Ref. 37816)

Climate / Range

Subtropical; 35°N - 25°S, 7°E - 134°W

Distribution

Indo-Pacific: Persian Gulf (Ref. 68964), Red Sea and East Africa to the Hawaiian Islands and the Tuamoto Archipelago. North to Japan and south to Australia. Apparently rare or absent in the more easterly groups. Also eastern Mediterranean (through the Suez Canal).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. A small shark with a short, bluntly rounded snout, oval eyes, and narrow-cusped teeth; 2nd dorsal fin large; no interdorsal ridge (Ref. 5578). Yellow-brown above, white below; all fins conspicuous with black or dark brown tips also anterior and posterior dark edging on pectoral fins and upper lobe of caudal fin; a prominent black tip of first dorsal fin set off abruptly by a light band below it; a conspicuous dark band on flanks, extending rearward to pelvic fins (Ref. 9997).

Biology     Glossary (e.g. epibenthic)

Inhabits shallow water close inshore on coral reefs and in the intertidal zone (reef flats), near reef drop-offs and close offshore (Ref. 244, 58302). Also found in mangrove areas, moving in and out with the tide (Ref. 6871) and even in fresh water, but not in tropical lakes and rivers far from the sea (Ref. 9997). Occurs singly or in small groups (Ref. 244, 54301). Prefers fishes but also feeds on crustaceans, cephalopods and other mollusks (Ref. 6871). Viviparous (Ref. 50449). May become aggressive to spear fishers and has been reported to bite people wading in shallow water (Ref. 6871). Reported to cause poisoning (Ref. 4690). 2 to 4 young of 46 to 52 cm are born per litter (Ref. 1602). Generally marketed fresh (as fillet), may be dried, salted, smoked (Ref. 5284) or frozen (Ref. 9987). Fins are valued for shark-fin soup (Ref. 9987); liver as source of oil (Ref. 9997). This species is commonly seen in public aquaria (Ref. 54301). Maximum reported weight from IGFA was 13.550 kg (Ref. 40637).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Traumatogenic (Ref. 4690)



Human uses

Fisheries: commercial; aquarium: public aquariums

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.9   ±0.4 se; Based on diet studies.

Resilience (Ref. 69278)
Very Low, minimum population doubling time more than 14 years (Fec=2)

Vulnerability (Ref. 59153)
High to very high vulnerability (67 of 100)
Price category (Ref. 80766)
Medium