[9] Limbaugh (1963) reported that at Clipperton Island "at first, the small sharks circled at a distance, but gradually they approached and became more aggressive ... various popular methods for repelling sharks proved unsuccessful". The Galapagos shark is a large species, reaching a maximum length of up to 12.1 feet (3.8 metres), and weighing up to 86 kg. [6], One of the larger species in its genus, the Galapagos shark commonly reaches 3.0 m (9.8 ft) long. The blacktip shark is frequently seen in the Galapagos around the numerous reefs in the Archipelago. Heterodontus is Latin for “different teeth”. [11] In one account, a bluefin trevally (Caranax melampygus) was seen rubbing against the rough skin of a Galapagos shark to rid itself of parasites. [6], The first dorsal fin is tall and moderately falcate (sickle-shaped), with the origin over the pectoral fin rear tips. Galapagos Marine Life :: MarineBio Video Library Galapagos sharks, Carcharhinus galapagensis (Snodgrass and Heller, 1905), aka grey reef whalers, have a low inter-dorsal ridge present, are dark gray on their dorsal side (top) and white on their ventral side (underneath). Despite its name, the Galapagos shark is found all over the world, but it was first discovered in what is now the Galapagos Marine Reserve. Conservation status. Their mating season is between January and March, so for about a month after March juvenile sharks may be seen in the shallow waters along the coastline. Their pectoral fins are solid gray or have slightly dusky tips. Humpbacks, minkes, seis, and blue whales are only present seasonally when they drop down from the north There is no specific utilization data available, though this species is certainly caught by commercial fisheries operating across many parts of its range. [6] When confronted or cornered, the Galapagos shark may perform a threat display similar to that of the grey reef shark, in which the shark performs an exaggerated, rolling swimming motion while arching its back, lowering its pectoral fins, puffing out its gills, and gaping its jaw. The sharks were not slowed by rotenone (a fish toxin) or shark repellent, and some followed the boat into water so shallow that their backs were exposed. The shark may also swing its head from side to side, so as to keep the perceived threat within its field of vision. Young are born at a length between 60 and 80 cm (23.6 and 31.5 inches). The group consisted of the bignose shark (C. altimus), Caribbean reef shark (C. perezi), sandbar shark (C. plumbeus), dusky shark (C. obscurus), and oceanic whitetip shark (C. longimanus), all large, triangular-toothed sharks and is defined by the presence of a ridge between the two dorsal fins. They have 14 rows of serrated teeth that are triangular on the top and sharper on the bottom. whale shark in Galapagos sea. 2. One type of shark that is especially important in the Galapagos Marine Reserve is the whale shark: the big momma of all sharks. These sharks are active predators that are usually found in groups. [6] As of 2008, the Galapagos shark has been confirmed to have attacked three people: one fatal attack in the Virgin Islands;[15] a second fatal attack in the Virgin Islands, at Magens Bay on the north shore of St. Thomas;[16] and a third non-fatal, attack off Bermuda. 20-30 years Despite its name, the Galapagos shark is found all over the world, but it was first discovered in what is now the Galapagos Marine Reserve. The maximum length is probably 3.3 m (11 ft); a recorded maximum length of 3.7 m (12 ft) has been questioned by several authors . Average: 80-100 kilograms Maximum: 152 kilograms. [3][6], The Galapagos shark is difficult to distinguish from other large requiem sharks, The Galapagos shark is often the most abundant shark in shallow island waters. Weight. In the Atlantic Ocean, it occurs around Bermuda, the Virgin Islands, Madeira, Cape Verde, Ascension Island, Saint Helena and São Tomé Island. 3. The coloration is brownish gray above and white below, with a faint white stripe on the sides. English: Galapagos shark, grey reef whaler, and mackerel shark Threats: Adult Galapagos sharks are too large to be eaten by most predators in their geographical range, therefore humans are the major threat to their population. Galapagos shark. This species reaches a maximum length of 3.7 m and max weight of 86kg. 3004112. These similar species also have different numbers of precaudal (before the tail) vertebrae: 58 in the Galapagos shark, 86–97 in the dusky shark, 110–119 in the grey reef shark. Species – galapagensis. [6], The Galapagos shark is generally found over continental and insular shelves near the coast, preferring rugged reef habitats with clear water and strong converging currents. Company Limited by Guarantee. An identifying character of this species is its tall first dorsal fin, which has a slightly rounded tip and originates over the rear tips of the pectoral fins. Registered with the Fundraising Regulator, Please note, due to staff working from home during the COVID-19 pandemic, all merchandise is sent on a weekly basis. Especially it is one of the few places where you can dive with adult whale sharks - up to 15 meters! [9] At some locations they form large aggregations, though these are not true schools. Low inter-dorsal ridge present. Spanish name. Any orders after these dates cannot be guaranteed before Christmas. Dark gray above, light below, fins plain or with slightly dusky tips. 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