mackerel sharks造句

• This species is thought to be ovoviviparous with mackerel sharks.
• Mackerel sharks may also refer specifically to the family Lamnidae.
• Tuna and mackerel sharks are the only species of fish that can maintain a body temperature higher than that of the surrounding water.
• The porbeagle may attain a length of, though this is uncertain and may have resulted from confusion with other mackerel shark species.
• Many larger, pelagic species, such as the mackerel sharks ( Lamnidae ) and the thresher sharks ( Alopiidae ), no longer possess them.
• ""'Cretolamna " "'is a genus of mackerel shark that belonged to either the family Cretoxyrhinidae or Otodontidae.
• Mackerel sharks are an order which includes some of the most familiar species of sharks, such as the great white shark, as well as more unusual representatives, such as the goblin shark and the megamouth shark.
• In 2010, Greenpeace International added the school shark, shortfin mako shark, mackerel shark, tiger shark and spiny dogfish to its seafood red list, a list of common supermarket fish that are often sourced from unsustainable fisheries.
• It is unclear how two crocodile shark fetuses manage to share a single uterus, when in some other oophagous mackerel sharks such as the sand tiger shark ( " Carcharias taurus " ), only one fetus survives in each uterus.
• As in other mackerel sharks, the longfin mako is aplacental viviparous and typically gives birth to two pups at a time ( one inside each uterus ), though a 3.3-m-long female pregnant with eight well-developed embryos was caught in the Mona Passage near Puerto Rico in January 1983.