Results 71 to 80 of about 1,598 (178)

The reproductive biology of the sandbar shark, Carcharhinus plumbeus(Chondrichthyes: Carcharhinidae), from the Gulf of Gabès (southern Tunisia, central Mediterranean) [PDF]

open access: yes, 2005
The sandbar shark, Carcharhinus plumbeus, is commonly captured in the Gulf of Gabès (southern Tunisia). Of 932 specimens collected from January 2001 to May 2004, the smallest mature male was 1545 mm total length and the largest male was 1935 mm.
Abderrahman Bouaïumln   +4 more
core   +1 more source

Using citizen science photographs to identify reproductive events in an oviparous elasmobranch

open access: yesJournal of Fish Biology, Volume 107, Issue 2, Page 419-430, August 2025.
Abstract Identifying critical habitats is important for the effective management of vulnerable species. Critical habitats, such as mating or nursery grounds, support populations during key life stages and help to maximise reproductive output and population growth. In elasmobranchs, mating often happens over a defined season, suggesting sites associated
Rachel Mawer   +4 more
wiley   +1 more source

Sharks, bony fishes and endodental borings from the Miocene Montpelier Formation (White Limestone Group) of Jamaica [PDF]

open access: yes, 2004
Bulk samples of Miocene carbonate sediments (deep-water chalks and shallow-water-derived calcarenites) from the Montpelier Formation (White Limestone Group) in Duncans Quarry, Jamaica, have yielded a small, but diverse, fauna of disassociated fish ...
Mitchell, S.F., Underwood, Charlie J.
core  

Drift gill net fishery for large pelagics at Cochin - A case study on by-catch of pelagic sharks [PDF]

open access: yes, 2002
In India, the elasmobranchs contributed on an average 60,8(X) t during 1986 to 1999 forming 2.7% of the total marine fish landings. The production varied from 50,000t in 1990 to a highest of 75,(X)0 t in 1998.
Elayathu, M N K   +2 more
core  

Simulated ocean acidification affects shark tooth morphology

open access: yesFrontiers in Marine Science
Changing ecological factors pose a challenge to many organisms. Global changes and the associated environmental changes have major impacts on marine organisms and threaten the biodiversity of marine ecosystems.
Maximilian Baum   +5 more
doaj   +1 more source

Comparative Space Use of Sympatric Sharks at a Remote Island in the South Pacific Ocean

open access: yesEcology and Evolution, Volume 15, Issue 6, June 2025.
The space use of 34 dusky (Carcharhinus obscurus), 32 Galapagos (C. galapagensis), 47 tiger (Galeocerdo cuvier), and 20 sandbar (C. plumbeus) sharks was monitored with acoustic telemetry between 2021 and 2024 in coastal waters around Norfolk Island, Australia, a remote small island in the southwestern Pacific Ocean.
Jordan K. Matley   +8 more
wiley   +1 more source

Pelagic sharks by-catch in the tuna longline fishery of the Indian EEZ [PDF]

open access: yes, 2002
Several species of pelagic and oceanic sharks are caught by the tuna longliners of FSI while surveying the oceanic tuna resources in the Indian EEZ. Though the sharks are not targeted species in tuna longlining, they constitute a major share of the ...
Bhargava, A K   +2 more
core  

The reproductive biology of the school shark, Galeorhinus galeus Linnaeus 1758 (Chondrichthyes: Triakidae), from the Maghreb shore (southern Mediterranean) [PDF]

open access: yes, 2005
The school shark, Galeorhinus galeus, is commonly captured off the Maghreb shore along the Algerian and Tunisian coasts of the southern Mediterranean.
Christian Capapé   +4 more
core   +1 more source

Checklist of the shore and epipelagic fishes of Tonga [PDF]

open access: yes, 2003
A checklist is given below of 1162 species of shore and epipelagic fishes belonging to 111 families that occur in the islands of Tonga, South Pacifie Ocean; 40 of these are epipelagic species. As might be expected, the fish fauna of Tonga is most similar
Clua, E.   +8 more
core  

Marine Fish Calendar. 8. Veraval [PDF]

open access: yes, 1988
The coastline of Gujarat, spread around 1,660 km is well known for its bombay duck and pomfret fisheries. Veraval located in the Saurashtra region forms one of the major fish landing centres.
Dhokia, H K   +6 more
core  

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