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This is the type of reproduction found in many of the sharks of the genus Carcharhinus, some hammerheads (Sphyrna mokarran Ruppell, 1837 and S.
Because of morphological similarities between a number of shark species in the genus Carcharhinus (Last and Stevens, 1994; Naylor and Marcus, 1994), taxonomic identification to species level has been difficult or inaccurate (or both)(Stevens and Wayte (2)).
Sharks of the genus Carcharhinus landed by recreational fisheries and caught in NSW beach meshing were identified to species level by using morphometric taxonomic guides and dentition identification (Cliff and Wilson, 1994; Last and Stevens, 1994; Naylor and Marcus, 1994).
Other restriction enzymes were tested (Chan, 2001), and with the possible inclusion of other species from the genus Carcharhinus into this database in the future, these restriction enzymes may be required in order to discern the additional species.
Although this project positively identified six species from the genus Carcharhinus, other species of this genus are known to inhabit the NSW coastline (Stevens, 1984; Last and Stevens, 1994).