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The silvertip shark (Carcharhinus albimarginatus) is a large species of requiem shark, in the family Carcharhinidae, with a fragmented distribution throughout the tropical Indian and Pacific Oceans. It is often encountered around offshore islands and coral reefs , and has been known to dive to a depth of 800 m (2,600 ft).
Silvertip badger, a grade of badger hair used in a shave brush; Silvertip fir, a type of evergreen tree (Abies magnifica) often used as a Christmas tree; Silvertip shark, a large and slender shark (Carcharhinus albimarginatus) found at or close to offshore remote island reefs; Silvertip tetra, a small freshwater fish (Hasemania nana) found in ...
The first shark-like chondrichthyans appeared in the oceans 400 million years ago, [1] developing into the crown group of sharks by the Early Jurassic. [2] Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders. The families and genera within the orders are listed in ...
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Silvertip Shark (Carcharhinus albimarginatus) Lemon Shark (Negaprion acutidens) Evolutionary History. Hammerhead sharks are thought to be the youngest shark group to have evolved.
The oceanic whitetip shark is a robust, large-bodied shark. The largest specimen ever caught measured at more than 4 m (13 ft) in length, though they usually grow up to 3 m (10 ft) in length and 150 kg (330 lb) in weight. [ 9 ]
One account has around 25 grey reef sharks following a large pod of bottlenose dolphins (Tursiops sp.), along with 25 silky sharks (C. falciformis) and a single silvertip shark. [14] Rainbow runners (Elagatis bipinnulata) have been observed rubbing against grey reef sharks, using the sharks' rough skin to scrape off parasites. [15]
The average spinner shark is 2 m (6.6 ft) long and weighs 56 kg (123 lb); this species attains a maximum known length and weight of 3 m (9.8 ft) and 90 kg (200 lb). Indo-Pacific sharks are generally larger than those from the northwest Atlantic. [3] This species has a slim, streamlined body with a distinctive, long, pointed snout.