graceful shark造句

• Graceful sharks prey mainly on bony fishes, and to a much lesser extent on cephalopods and crustaceans.
• A stoutly built shark growing up to long, the graceful shark has a short, wedge-shaped snout, large, sickle-shaped pectoral fins and first dorsal fin, and black tips on most fins.
• Using molecular phylogenetic techniques on mitochondrial DNA sequences, Alec Moore and colleagues reported in 2011 that this species is closely related to the graceful shark, the blacktip shark, and the Australian blacktip shark ( " C . tilstoni " ).
• The "'graceful shark "'or "'Queensland shark "'( " Carcharhinus amblyrhynchoides " ) is a species of requiem shark, in the family Carcharhinidae, found in the tropical Indo-Pacific, from the Gulf of Aden to northern Australia.
• Several molecular phylogenetic studies based on allozymes, mitochondrial DNA, and nuclear DNA have found that the Australian and common blacktip sharks form a closely related clade with the graceful shark ( " C . amblyrhynchoides " ) and the smoothtooth blacktip shark ( " C . leiodon " ).