How to Identify Blacktip Reef Shark

To identify Blacktip Reef Shark (Carcharhinus melanopterus), look at these key features.

Physical Characteristics

Body shape

torpedo

Coloration

Dorsal surface is typically grey to grey-brown, fading to a white or off-white ventral surface. The most distinctive feature is the prominent black tips on all fins, especially the first dorsal fin and the lower lobe of the caudal fin, often bordered by a narrow, lighter band.

Scale type

placoid

Mouth position

inferior

Distinctive features

Prominent black tips on all fins, particularly the first dorsal and caudal fins., Relatively short, broadly rounded snout., Small eyes., No interdorsal ridge., Slightly oblique, serrated teeth in both jaws.

Dorsal fin

Two dorsal fins. The first dorsal fin is moderately large, triangular, and originates over or slightly anterior to the free rear tips of the pectoral fins. It has a prominent black tip. The second dorsal fin is much smaller, originates over the anal fin, and also has a black tip.

Tail fin

Heterocercal caudal fin with a well-developed lower lobe and a prominent black tip on the lower lobe.

Pectoral fin

Moderately large and falcate (sickle-shaped), with black tips.

Distinctive fins

All fins, including pelvic and anal fins, typically possess distinct black tips, often bordered by a narrow, lighter margin.

Identification Tips

1. 1

   Fin Coloration

   Look for the distinct black tips on all fins, especially the first dorsal and caudal fins. This is the most reliable distinguishing feature.

2. 2

   Body Shape and Size

   Relatively small, slender shark, typically reaching 1.6 meters (5.2 feet) in length. Its torpedo-shaped body is characteristic of active pelagic sharks.

3. 3

   Snout

   Observe the short, broadly rounded snout, which is less pointed than some other reef sharks.

4. 4

   Absence of Interdorsal Ridge

   Unlike some other Carcharhinus species, the Blacktip Reef Shark lacks a ridge between its two dorsal fins.

Explore Blacktip Reef Shark