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单词 Bronze Whalers
释义

Bronze Whalers

英语百科

Copper shark

A bronze shark with a white belly and a triangular dorsal fin, viewed against the sunlit water surface
World map with dark blue shading in the western Mediterranean, off northwest and southern Africa, Argentina, northeast Asia and Japan, southern Australia, around New Zealand, around Baja California, and off Peru and northern Chile, and light blue shading in the eastern Mediterranean, the Gulf of Mexico, northern Australia, and further south along Chile
Southern African pilchard are the most important prey species of copper sharks off South Africa.
The copper shark is often caught by recreational anglers.

The copper shark, bronze whaler, or narrowtooth shark (Carcharhinus brachyurus) is a species of requiem shark, family Carcharhinidae, and the only member of its genus found mostly at temperate latitudes. It is distributed in a number of separate populations in the northeastern and southwestern Atlantic, off southern Africa, in the northwestern and eastern Pacific, and around Australia and New Zealand, with scattered reports from equatorial regions. This species can be found from brackish rivers and estuaries, to shallow bays and harbors, to offshore waters 100 m (330 ft) deep or more. Females are found apart from males for most of the year, and conduct seasonal migrations. A large species reaching 3.3 m (11 ft) long, the copper shark is difficult to distinguish from other large requiem sharks. It is characterized by its narrow, hook-shaped upper teeth, lack of a prominent ridge between the dorsal fins, and plain bronze coloration.

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更新时间:2025/6/18 6:04:49