Blacktip reef shark

Graceful and stealthy, these reef dwellers navigate the coral maze with finesse, showcasing their iconic black-tipped fins

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Blacktip reef shark

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Graceful and stealthy, these reef dwellers navigate the coral maze with finesse, showcasing their iconic black-tipped fins

Population

A small to medium-sized species of shark that is well-recognized for its distinctive black-tipped fins, which stand out against its pale grey to brownish body with a white underbelly. This contrast is particularly evident in the first dorsal fin and the caudal fin, which give this species its common name.

Found predominantly in the shallow waters of the Indian and Pacific Oceans, blacktip reef sharks favor coral reefs, mangroves, and the shallow flats surrounding islands and atolls. Typically, they are among the most abundant sharks in nearshore waters, particularly around oceanic islands. They tend to inhabit waters no deeper than 30 meters (98 feet), but they can be spotted occasionally at depths of up to 75 meters (245 feet).

Adults of this species usually measure between 1.6 and 1.8 meters (5.2 to 5.9 feet) in length, although the largest individuals can reach lengths of 2 meters (6.6 feet). These sharks have a fusiform body shape—streamlined and rounded, tapering at both ends—allowing for efficient navigation through their complex coral environments.

Their diet is quite varied, reflecting the rich biodiversity of their habitat. They often feed on small schooling fish, squids, octopuses, and crustaceans. Occasionally, they might also consume small rays or sea snakes. Blacktip reef sharks are known to exhibit a feeding strategy that involves herding fish into shallow water to trap and consume them, displaying a high level of intelligence and adaptability.

Socially, these sharks are often observed in small groups, although they do not form tight schools like some shark species. Their social behavior seems to be rather complex and may include hierarchy structures within groups. During the mating season, the social dynamics become more pronounced, and the competition among males can be intense.

Distribution

Country
Population est.
Status
Year
Comments
Indian Ocean
2020
Pacific Ocean
2020
Mediterranean Sea
2020
Black Sea
2020
Red Sea
2020
American Samoa
2020
Australia
2020
Bangladesh
2020
British Indian T.
2020
Brunei
2020
Cambodia
2020
China
2020
Christmas Island
2020
Cocos Is. (Keeling)
2020
Comoros
2020
Cook Islands
2020
Costa Rica
2020
Cocos I.
Djibouti
2020
East Timor
2020
Egypt
2020
Eritrea
2020
Fiji
2020
French Polynesia
2020
Guam
2020
Hong Kong
2020
India
2020
Indonesia
2020
Iran
2020
Iraq
2020
Israel
2020
Japan
2020
Kenya
2020
Kiribati
2020
Madagascar
2020
Malaysia
2020
Maldives
2020
Marshall Islands
2020
Mauritius
2020
Mayotte
2020
Micronesia
2020
Mozambique
2020
Myanmar
2020
Nauru
2020
New Caledonia
2020
Niue
2020
Nort. Mariana Is.
2020
Oman
2020
Pakistan
2020
Palau
2020
Papua New Guinea
2020
Philippines
2020
Qatar
2020
Réunion
2020
Samoa
2020
Saudi Arabia
2020
Seychelles
2020
Singapore
2020
Solomon Islands
2020
Somalia
2020
South Africa
2020
Sri Lanka
2020
Sudan
2020
Taiwan
2020
Tanzania
2020
Thailand
2020
Tokelau
2020
Tonga
2020
Tunisia
2020
Seasonality Uncertain
Tuvalu
2020
UAE
2020
US Minor Is.
2020
Vanuatu
2020
Vietnam
2020
Wallis & Futuna
2020
Yemen
2020

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Terrestrial / Aquatic

Altricial / Precocial

Polygamous / Monogamous

Dimorphic / Monomorphic

Active: Diurnal (size) / Nocturnal

Social behavior: Solitary / Pack / Herd

Diet: Carnivore / Herbivore / Omnivore / Piscivorous / Insectivore

Migratory: Yes / No

Domesticated: Yes / No

Dangerous: Yes / No