The Great Fiji Shark Count

Counting Fiji's sharks, rays and turtles

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You are here: Home / Species / Shark Species / Blacktip reef shark

Blacktip reef shark

The Blacktips are small sharks that hunt fish in very shallow water and are thus rarely encountered by divers. The juveniles however often aggregate in mere centimeters of water within sandy lagoons and are thus frequently encountered by swimmers, snorkelers and beachcombers who spot the black tips of their dorsal fins sticking out of the water.

This is a beautiful small shark of about 1.5 meters in length that can be easily identified by the brilliant black tips with a bright white highlight on both dorsal fins, black tips on the lower lobe of its tail and the anal fin and its tan color with a striking white dash extending from the tail into its flanks.

Black tip reef shark

Carcharhinus Melanopterus

Fijian: Qio Tukiloa

  •  Sharp nose, black tip on dorsal fin (back fin), pectoral fins (side fins) tail and smaller fins
  • Small; largest around 1.6 metres long
  • Found on or near shallow coral reefs, young sharks often on reef flats near beaches
  • Feed on shrimp, octopus and small fish
  • Are sometimes eaten by large groupers and other sharks
  • Give birth to 2 to 4 live babies

Blacktip Reef Sharks Sam CahirThe blacktip reef shark (Carcharhinus melanopterus) is a species of requiem shark, family Carcharhinidae, easily identified by the prominent black tips on its fins (especially on the first dorsal fin and the caudal fin). Among the most abundant sharks inhabiting the tropical coral reefs of the Indian and Pacific Oceans, this species prefers shallow, inshore waters and its exposed first dorsal fin is a common sight in the region. Most blacktip reef sharks are found over reef ledges and sandy flats, though they have also been known to enter brackish and freshwater environments. This species typically attains a length of 1.6 m (5.2 ft).

Black_tip_reef_shark_Alexander_Safonov_-4

Black_tip_reef_shark_Alexander_Safonov

Blacktip reef sharks have extremely small home ranges and exhibit strong site fidelity, remaining within same local area for up to several years at a time. They are active predators of small bony fishes, cephalopods, and crustaceans, and have also been known to feed on sea snakes and seabirds. Accounts of the blacktip reef shark’s life history have been variable and sometimes contradictory, in part reflecting geographical differences within the species. Like other members of its family, this shark is viviparous with females giving birth to 2–5 young on a biennial, annual, or possibly biannual cycle. Reports of the gestation period range from 7–9, to 10–11, to possibly 16 months. Mating is preceded by the male following closely behind the female, likely attracted by her chemical signals. Newborn sharks are found further inshore and in shallower water than adults, frequently roaming in large groups over areas flooded by high tide.

Blacktip Reef Sharks by Tim Rock Timid and skittish, the blacktip reef shark is difficult to approach and seldom poses a danger to humans unless roused by food. However, people wading through shallow water are at risk of having their legs mistakenly bitten. This shark is used for its meat, fins, and liver oil but is not considered to be a commercially significant species. The International Union for Conservation of Nature (IUCN) has assessed the blacktip reef shark as Near Threatened. Although the species as a whole remains widespread and relatively common, overfishing of this slow-reproducing shark has led to its decline at a number of locales

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Welcome to The Great Fiji Shark Count !

Throughout the months of April and November every year, you have the opportunity to help celebrate and record Fiji’s amazing coral reef biodiversity, show you care about our world’s delicate coral reef systems, and have fun, by taking part in the FIJI-WIDE SHARK COUNT!

Easy to do, this is suitable for visitors and locals alike, whether you like to fish, snorkel, or SCUBA dive. We hope that tourists, school children, scientists and all people with an interest in the marine environment will take to the reefs with us to search for the Sharks of Fiji!

The Great Fiji Shark Count will be held across Fiji every April and November every year.

You can do a single count, or take part as many times as you like during that month, so that you cover different reefs. All data will be gratefully accepted!

So, see your resort, watersports operator or travel agent, get your Shark identification materials and dive into the beautiful blue waters of Fiji, to be a part of history!

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