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A multiplex PCR approach for the molecular identification and conservation of the Critically endangered daggernose shark
(2017-01-01)
The daggernose shark Isogomphodon oxyrhynchus is an inshore tropical species endemic to the coastal waters off northeastern South America with limited distribution and restrictive biological traits. According to the IUCN, ...
Necrophagy of a nurse shark (Ginglymostoma cirratum) by tiger sharks (Galeocerdo cuvier)
(2015-01-01)
The aim of this study is to report a scavenging event, involving the consumption of a nurse shark, Ginglymostoma cirratum, by tiger sharks, Galeocerdo cuvier, at Fernando de Noronha archipelago, Brazil. Recreational divers ...
Length-length and length-weight relationships of Carcharhinus falciformis and C. signatus (Carcharhinidae: Carcharhinus) caught by commercial fisheries in the Southwest Atlantic Ocean
(2016-07-01)
Sharks of the genus Carcharhinus are captured as bycatch in longline fisheries and through different fishing gears. Due to the common practice of head and fin removal of sharks, the lack of morphometric data and weight on ...
Genetic identification of lamniform and carcharhiniform sharks using multiplex-PCR
(Springer, 2010-12-01)
Nowadays, because of the constant increase in the capture and trade of sharks all over the world and reports of several species already showing important signs of over-exploitation, the establishment of registration ...
Nerves of the Mandibular Musculature of the Sand Tiger Shark Carcharias taurus (Rafinesque, 1810) (Chondrichthyes: Odontaspididae)
(Sociedad Chilena de Anatomía, 2005)
Embryos of common thresher shark Alopias vulpinus in southern Brazil, south Atlantic Ocean
(Blackwell Publishing, 2006-07-01)
Eight embryonic thresher sharks Alopias vulpinus (53.9-124 cm total length) were collected from two females caught by commercial longline off southern Brazil in September and November 2004. Morphometric measurements are ...
Record of the goblin shark Mitsukurina owstoni (Chondrichthyes: Lamniformes: Mitsukurinidae) from the south-western Atlantic
(2014-01-01)
This paper reports the first well-documented specimen of the goblin shark, Mitsukurina owstoni in the south-western Atlantic, based on a mature male measuring 3152 mm total length, caught on 27 November 2008 off the Rio ...
Morphological abnormalities in a blue shark Prionace glauca (Chondrichthyes : Carcharhinidae) foetus from southern Brazil
(Blackwell Publishing, 2006-12-01)
This study records the occurrence of a blue shark Prionace glauca foetus, with morphological abnormalities in the trunk and cephalic region, from a female caught by a pelagic longline in October 2003, in southern Brazil. ...
Isolation and characterization of microsatellite loci in the whale shark (Rhincodon typus)
(Molecular Ecology Resources, 2009)
In preparation for a study on population structure of the whale shark (Rhincodon typus), nine species-specific polymorphic microsatellite DNA markers were developed. An inicial screening of 50 individuals from Holbox Island, ...