Results 71 to 80 of about 2,118 (215)

Investigating gear and seasonal effects in experimental trawl surveys: The case of Galeus melastomus Rafinesque, 1810 (Chondrichthyes, Scyliorhinidae) in the South of Sicily (Central Mediterranean)

open access: yesEgyptian Journal of Aquatic Research, 2017
Mediterranean young-fish oriented experimental bottom trawl surveys represent a precious source of information on both past and current standing stocks and their life history traits and exploitation state.
T. Bottari, P. Rinelli, S. Ragonese
doaj   +1 more source

Adriatic sea sharks [PDF]

open access: yes, 2011
Morski psi spadaju u razred hrskavičnjača (Selachii, Chondrichthyes). Postoje već 400 milijuna godina i gotovo nepromijenjeni plivaju svjetskim morima, pa tako i Jadranom. Danas u hranidbenom lancu zauzimaju mjesto vodećeg predatora.
Šimunović, Ivana
core   +2 more sources

Lista patrón de los tiburones, rayas y quimeras (Chondrichthyes, Elasmobranchii, Holocephali) de México [PDF]

open access: yes, 2015
Llista patró dels taurons, rajades i quimeres (Chondrichthyes, Elasmobranchii, Holocephali) de Mèxic Es presenta una relació de les espècies de taurons, rajades  i quimeres (condrictis) que han estat registrades a les aigües territorials de Mèxic ...
Alcocer Durand, J.   +4 more
core   +1 more source

Can denticle morphology help identify southeastern Australian elasmobranchs?

open access: yesJournal of Fish Biology, Volume 104, Issue 6, Page 1848-1859, June 2024.
Abstract Elasmobranchs are covered in scale‐like structures called dermal denticles, comprising dentine and enameloid. These structures vary across the body of an individual and between species, and are frequently shed and preserved in marine sediments.
Mariah Appleby   +3 more
wiley   +1 more source

Diversity, occurrence and conservation of sharks in the southern South China Sea.

open access: yesPLoS ONE, 2019
Sharks constitute a vital sector of marine and estuarine nekton and are of great commercial importance all over the world. International concern over the fate of shark fisheries has grown recently.
Takaomi Arai, Azie Azri
doaj   +1 more source

Campagne "AZTEQUE" de chalutage de fond au sud-est de la Nouvelle Calédonie (N.O. "ALIS", du 12 au 16 février 1990) [PDF]

open access: yes, 1990
Onze traits de chalut de fond ont été réalisés entre 235 et 500 m au sud-est de la Nouvelle-Calédonie, notamment sur trois monts sous-marins de la ride de Norfolk.
Grandperrin, René   +3 more
core  

Notes on Fishes recently recorded from Tasmanian Waters [PDF]

open access: yes, 1972
Acanthidium molleri Whitley 1939 and Torpedo macneilli Whitley 1932 are recorded for the first time from Tasmanian waters. Details and figures are given for specimens of Mendosoma allporti Johnston 1881 and the second Tasmanian specimen of Tetraodon
Andrews, AP
core   +2 more sources

Reproductive cycle, nutrition and growth of captive blue spotted stingray, Dasyatis kuhlii (Dasyatidae) [PDF]

open access: yes
At Burgers' Ocean 7 male and 3 female blue spotted stingrays, Dasyatis kuhlii were born over a period of 4.5 years. This paper describes the experiences of the captive breeding results of this species. The first two young died within 2 days of birth. One
Janse, M., Schrama, J.W.
core   +3 more sources

Biogeographic patterns in the cartilaginous fauna (Pisces: Elasmobranchii and Holocephali) in the southeast Pacific Ocean [PDF]

open access: yes, 2014
The abundance and species richness of the cartilaginous fish community of the continental shelf and slope off central Chile is described, based on fishery-independent trawl tows made in 2006 and 2007. A total of 194,705 specimens comprising 20 species (9
Acuña   +45 more
core   +2 more sources

Comparison of traditional and molecular surveys of fish biodiversity in southern Te Wāhipounamu/Fiordland (Aotearoa/New Zealand)

open access: yesEnvironmental DNA, Volume 6, Issue 1, January–February 2024.
At the remote UNESCO Word Heritage Site Te Wāhipounamu, we show that eDNA analysis is a highly sensitive tool with strong potential for biodiversity surveys, which is still limited by the unavailability of local reference data. We hope that by demonstrating the extend of divergence between eDNA and more traditional tools in a real‐life case study of a ...
Paul Czechowski   +7 more
wiley   +1 more source

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