Results 41 to 50 of about 4,435 (179)

Variable post-release mortality in common shark species captured in Texas shore-based recreational fisheries

open access: yesPLoS ONE, 2023
The practice of catch and release fishing is common among anglers but has been shown to cause unintended mortalities in some species. Current post-release mortality estimates used in coastal shark stock assessments are typically derived from boat-based ...
Addie L. Binstock   +9 more
doaj   +2 more sources

First records of pregnant female sharks (Carcharhiniformes; Lamniformes) in the Ilha Grande–Sepetiba estuarine complex (Rio de Janeiro, Brazil): evidence of a reproductive hotspot within a marine protected area [PDF]

open access: yesBrazilian Journal of Biology
This study provides the first records of six pregnant sharks (spinner shark - Carcharhinus brevipinna (n = 2), blacktip shark - Carcharhinus limbatus (n = 2), and sand tiger shark - Carcharias taurus (n = 2)) in the Ilha Grande–Sepetiba estuarine complex,
F. O. Lana   +7 more
doaj   +2 more sources

Blacktip Shark (Carcharhinus limbatus) Jaw

open access: yes, 2021
Jaw from 176.1 cm total length (TL) Carcharhinus limbatus (Blacktip), collected from Hollywood Beach, FL on 3/13/21 by Katerina ...
Kerstetter, David, Sawickij, Katerina D
core   +1 more source

Ecological drivers of shark distributions along a tropical coastline.

open access: yesPLoS ONE, 2015
As coastal species experience increasing anthropogenic pressures there is a growing need to characterise the ecological drivers of their abundance and habitat use, and understand how they may respond to changes in their environment.
Peter M Yates   +3 more
doaj   +1 more source

A parturition and nursery area for Carcharhinus limbatus (Elasmobranchii, Carcharhinidae) off the coast of Paraná, Brazil [PDF]

open access: yesBrazilian Journal of Oceanography, 2008
Programa de Pos-Graduacao em Zoologia, Departamento de Zoologia, Universidade Federal do Parana (Caixa Postal 19020, 81531-980 Curitiba, PR, Brasil) anequim.bio@gmail.com Many carcharhinids are negatively affected by fisheries and habitat degradation worldwide.
Hugo Bornatowski
doaj   +4 more sources

Sexual dimorphisms in the dermal denticles of thelesser-spotted catshark, Scyliorhinus canicula (Linnaeus, 1758) [PDF]

open access: yes, 2013
The dermal layers of several elasmobranch species have been shown to be sexually dimorphic. Generally, when this occurs the females have thicker dermal layers compared to those of males. This sexual dimorphism has been suggested to occur as a response to
Crooks, Neil; id_orcid   +11 more
core   +2 more sources

Shark attacks in Dakar and the Cap Vert Peninsula, Senegal: low incidence despite high occurrence of potentially dangerous species. [PDF]

open access: yesPLoS ONE, 2008
BACKGROUND: The International Shark Attack File mentions only four unprovoked shark attacks on the coast of West Africa during the period 1828-2004, an area where high concentrations of sharks and 17 species potentially dangerous to man have been ...
Sébastien Trape
doaj   +1 more source

Analisis Morfometrik Dan Estimasi Tingkat Eksploitasi Ikan Hiu Yang Tertangkap Di Perairan Balikpapan Kalimantan Timur

open access: yesJurnal Kelautan Tropis
Ikan hiu umumnya ditemukan di wilayah pesisir hingga kedalaman 200 meter sehingga rentan tertangkap oleh nelayan. Penelitian ini bertujuan mengidentifikasi spesies ikan hiu melalui analisis morfometrik serta mengestimasi tingkat eksploitasi Ikan Hiu ...
Lilo Marfiana   +2 more
doaj   +1 more source

Evidence for the first multi-species shark nursery area in Atlantic Africa (Boa Vista Island, Cabo Verde)

open access: yesFrontiers in Marine Science, 2023
This study describes the first potential multi-species shark nursery area in Atlantic Africa (Sal Rei Bay – SRB, Boa Vista Island, Cabo Verde). From August 2016 to September 2019, 6162 neonates and juveniles of 5 different shark species were observed in ...
Rui Rosa   +26 more
doaj   +1 more source

Delineation and mapping of coastal shark habitat within a shallow lagoonal estuary.

open access: yesPLoS ONE, 2018
Estuaries function as important nursery and foraging habitats for many coastal species, including highly migratory sharks. Pamlico Sound, North Carolina, is one of the largest estuaries in the continental United States and provides a variety of potential
Charles W Bangley   +3 more
doaj   +1 more source

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