Branchial osmoregulation in the euryhaline bull shark, Carcharhinus leucas: a molecular analysis of ion transporters

Branchial osmoregulation in the euryhaline bull shark, Carcharhinus leucas: a molecular analysis of ion transporters.

Bull sharks, Carcharhinus leucas, are one of only a few species of elasmobranchs that live in both marine and freshwater environments. Osmoregulation in euryhaline elasmobranchs is achieved through the control and integration of various organs (kidney, rectal gland and liver) in response to changes in environmental salinity. However, little is known regarding the mechanisms of ion transport in ...

Body Fluid Solutes of Juveniles and Adults of the Euryhaline Bull Shark Carcharhinus Leucas from Freshwater and Saline Environments

First evidence of multiple paternity in the bull shark (Carcharhinus leucas)

The present study assessed the occurrence of multiple paternity in four litters of bull shark Carcharhinus leucas (n1⁄4 5, 8, 9 and 11 embryos) sampled at Reunion Island in the Western Indian Ocean. Using 21 microsatellite loci, we revealed that two litters were generated from two sires each, demonstrating for the first time multiple paternity for this species. We also reported a high paternal ...

Natural or Artificial? Habitat-Use by the Bull Shark, Carcharhinus leucas

BACKGROUND Despite accelerated global population declines due to targeted and illegal fishing pressure for many top-level shark species, the impacts of coastal habitat modification have been largely overlooked. We present the first direct comparison of the use of natural versus artificial habitats for the bull shark, Carcharhinus leucas, an IUCN 'Near-threatened' species--one of the few truly e...

Toward a Sustainable Fishery Management Policy: An Artificial Neural Network Model for Predicting Bull Shark (Carcharhinus Leucas) Presence

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