Results 61 to 70 of about 787 (184)

Population size and survivorship for juvenile lemon sharks (Negaprion brevirostris) on their nursery grounds at a marine protected area in Brazil

Neotropical Ichthyology
Sharks face a number of obstacles for surviving their first several years of life and many species occupy nursery areas. Although estimates of survival, particularly for young age classes, are essential for assessing, monitoring and effectively managing ...
Renato Hajenius Aché de Freitas, Ricardo S. Rosa, Bradley M. Wetherbee, Samuel H. Gruber   +3 more
doaj   +1 more source

Habitat Use Patterns and Identification of Essential Habitat for an Endangered Coastal Shark With Vertebrae Microchemistry: The Case Study of Carcharhinus porosus

Frontiers in Marine Science, 2020
Sharks are among the most endangered and data poor vertebrates in the world. The lack of information regarding their habitat use is especially concerning since these are crucial for the establishment of priority areas for species conservation ...
Leonardo Manir Feitosa, Leonardo Manir Feitosa, Valderi Dressler, Rosangela Paula Lessa, Rosangela Paula Lessa   +4 more
doaj   +1 more source

In Troubled Waters: Applying DNA Barcoding to Monitor Singapore's Shark Fin Trade

Ecology and Evolution, Volume 15, Issue 6, June 2025.
Bar chart detailing species or genus identification, occurrence and IUCN status. An asterisk (*) indicates CITES Appendix II listed species. An asterisk next to a genus level identification indicates that the species identified within this genus are listed on Appendix II.
Anya Ramanan, Kimberly H. Quek, Nicole Chung Mae Sze, Nicole Isabel Oo Xinyen, David Kim Hyun Soo, Changjun Sung, Vivien Dimitrov, Rebekah P. Nix, Ming Han Mark Sng, Pei Xuan Jody Lim, Elisa X. Y. Lim, Benjamin J. Wainwright   +11 more
wiley   +1 more source

Evidences of Seasonal Aggregations and Breaching Behaviour of Blacktip (Carcharhinus limbatus) and Spinner (C. brevipinna) Sharks in a Southwest Atlantic Marine Protected Area

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 35, Issue 5, May 2025.
ABSTRACT This study indicates a seasonal aggregation behaviour in Blacktip (Carcharhinus limbatus) and Spinner (C. brevipinna) sharks over 6 years of data in Ilha Grande Bay, a warm temperate bay in Rio de Janeiro, Brazil. Observations from visual surveys, drone footage and Baited Remote Underwater Video (BRUV) deployments revealed mixed‐species ...
Fernanda Andreoli Rolim, Pedro Furtado Costa Rodrigues, Otto Bismarck Fazzano Gadig, Fábio dos Santos Motta, Marco Antonio Light Slerca, Nathan Lagares Franco Araujo, Leonardo Mitrano Neves   +6 more
wiley   +1 more source

Movements of Galapagos Sharks (Carcharhinus galapagensis) in Eastern Tropical Pacific Waters off Central and South America

Fishes
Galapagos sharks (Carcharhinus galapagensis) are a large species belonging to the family Carcharhinidae, with poorly understood biology, especially along continental coastlines, which limits effective management of their populations.
Bradley M. Wetherbee, Guy M.C. Harvey, Colby D. Kresge, Mary K. Brantley, Owen W. Fleischer, Nicole A. Kobasa, Jeremy J. Vaudo, Mahmood S. Shivji   +7 more
doaj   +1 more source

ALIMENTAÇÃO DE Rhizoprionodon porosus (ELASMOBRANCHII: CARCHARHINIDAE) DA COSTA DO MARANHÃO, BRASIL

Boletim do Instituto de Pesca, 2018
A costa do Estado do Maranhão possui uma grande concentração de tubarões, sendo a espécie Rhizoprionodon porosus Poey, 1961 a primeira em abundí­¢ncia relativa. É um tubarão de pequeno porte pertencente í­Â  famí­­lia Carcharhinidae.
Clara Maria Lima da SILVA, Zafira da Silva de ALMEIDA   +1 more
doaj  

High resolution in turbid waters: Ampullae of Lorenzini in the daggernose shark Carcharhinus oxyrhynchus (Valenciennes, 1839) (Elasmobranchii: Carcharhinidae) [PDF]

, 2023
Mariana Haueisen, Roberto Esser dos Reis
openalex   +1 more source

Carcharhinid shark species (Family Carcharhinidae), with special reference to the first records in the Egyptian Mediterranean Waters, Alexandria, Egypt. [PDF]

, 2019
Ahmad M. Azab, Hassan M. M. Khalaf-Allah, Moustafa Sarhan, Mohamed A. M. El‐Tabakh   +3 more
openalex   +1 more source

Paronatrema guillerminae n. sp. (Trematoda: Syncoeliidae) parásito del tiburón azul Prionace glauca (Linnaeus) (Elasmobranchii: Carcharhinidae) en la costa occidental de Baja California Sur, México

, 2023
Oscar Méndez
openalex   +2 more sources

Surveying methods and quantity of small scale fishing in the western part of Hormozgan Province

‬‭Majallah-i ̒Ilmī-i Shīlāt-i Īrān, 1993
The survey was conducted in the western part of Hormozgan province in the spring of the year 1370 (1991) and covered nine important landing centres in the area From east to west these centres are as follows: Bandar - e - Kang, Bandar - e - Lengeh ...
T. Mazhari
doaj