Fish
Blacktip Shark
Carcharhinus limbatus · also called blacktip sharks
A blacktip shark hunting a school of fish from below does something few other predators attempt: it spins rapidly along its own body while lunging upward, a motion powerful enough to carry the shark completely out of the water in a dramatic, spinning leap. The black-tipped fins that give the species its name are the easiest way to spot one from a boat, leaping or not.
Overview
The blacktip shark, Carcharhinus limbatus, is a fast, energetic hunter of warm coastal waters worldwide, commonly found around reefs, estuaries, and river mouths. It pursues schooling fish such as sardines and mullet, marked by distinctive black tips on several fins.
A hunting leap, and real fishing pressure
Its signature “spinning” attack on fish schools can send the shark airborne. Despite this energetic, successful hunting style, the species faces real pressure from targeted fishing and bycatch, compounded by the slow reproductive rate typical of sharks.
Status
Vulnerable and decreasing — commercial and incidental fishing pressure has outpaced the species’ naturally slow capacity to recover, prompting catch limits in parts of its range.
Blacktip Shark: common questions
Why does a blacktip shark sometimes leap completely out of the water?
This dramatic behaviour, often called spinning, occurs when a blacktip shark attacks a school of fish from below and spins rapidly along its own body axis while lunging upward through the school, and the combined upward momentum and spinning motion can carry the shark entirely out of the water in a spectacular leap, a hunting technique distinctive enough to have become closely associated with the species.
How can you tell a blacktip shark apart from similar-looking sharks?
The most reliable identifying feature is the presence of distinct black tips or markings on several of the shark's fins, including the dorsal fin, pectoral fins, and tail fin, a combination of markings that helps distinguish the blacktip shark from a number of visually similar requiem shark relatives that may lack this same specific fin colouration pattern.
Is the blacktip shark dangerous to humans?
While blacktip sharks have been involved in a small number of documented bites, generally in murky nearshore water where a swimmer or surfer may be mistaken for typical schooling fish prey, they are not considered a major threat to humans and bites are rarely severe, with the species generally preferring to avoid direct contact with people when possible.
Why is the blacktip shark considered Vulnerable despite still being fairly commonly encountered?
The species faces significant pressure from both targeted commercial fishing for its meat and fins and incidental bycatch in other fisheries, and like most sharks, it has a relatively slow reproductive rate, producing a limited number of young after a lengthy gestation period, meaning sustained fishing pressure can outpace the population's natural capacity to recover, which is reflected in its declining population trend despite the species still being reasonably widespread.