Currently, the genus Sphyrna is composed by nine species, with six of them occurring in Brazilian waters: Sphyrna media, Sphyrna mokarran, Sphyrna tiburo
, Sphyrna tudes, Sphyrna lewini, S.
Two shark species, Sphyrna tiburo
(Linnaeus, 1758) and Carcharhinus limbatus (Muller & Henle, 1839), which were captured only in the lower region of the bay during summer over subtidal oyster reefs and NVB habitats, were also examined.
Placentation in the silky shark Carcharhinus falciformis and bonnetshark Sphyrna tiburo
Our study examined the use of ink by sea hares as a chemical defense against vertebrate predators, based on an ingestion assay with five species of predatory fishes: bluehead wrasses Thalassoma bifasciatum, senorita wrasses Oxyjulis californica, pinfish Lagodon rhomboides, mummichogs Fundulus heteroclitus, and bonnethead sharks Sphyrna tiburo
Durophagy in sharks: feeding mechanics of the hammerhead Sphyrna tiburo
Latitudinal variation in life-history traits of bonnethead sharks, Sphyrna tiburo
(Carcharhiniformes: Sphyrnidae) from the eastern Gulf of Mexico.
Carlson J K, Parsons GR (1997) Age and growth of the bonnethead sharks, Sphyrna tiburo
, from northwest Florida, with comments on clinal variation.
lt;10 mm) to bonnethead shark Sphyrna tiburo
Species n Control Magnets Dasyatis americana * 11 9 2 Carcharhinus limbatus * 11 9 2 Carcharhinus plumbeus 7 2 5 Negaprion breuirostris 2 2 0 Carcharhinus acronotus 2 0 2 Sphyrna tiburo
1 1 0 Total elasmobranchs * 34 23 11 Total teleosts 4 2 2 Table 3 Elasmobranch catch composition from hook-and-line gear with neodymium-iron-boron magnets in 660 trials.
Placentation and associated aspects of gestation in the bonnethead shark, Sphyrna tiburo
Diet, feeding habits, & diel feeding chronology of the bonnethead shark, Sphyrna tiburo
, in southwest Florida.
Herein we document a previously overlooked sexual dimorphism in a well-studied shark species, Sphyrna tiburo
(Linnaeus, 1758), the bonnethead shark.