Results 61 to 70 of about 496 (141)

Report of the survey of shark fisheries for conservation and management of shark resources, Sri Lanka [PDF]

open access: yes, 2013
A shark survey was conducted between October, 2012 and December, 2013 in order to strengthen the existing data collection and research thus improving conservation and management of sharks in Sri ...

core  

Glow on Sharks: State-of-the-Art Bioluminescence Research [PDF]

open access: yes, 2021
peer reviewedThis review presents a synthesis of shark bioluminescence knowledge. Up to date, bioluminescent sharks are found only in Squaliformes, and specifically in Etmopteridae, Dalatiidae and Somniosidae families.
Claes, Julien M.   +4 more
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RECORD OF THE BLURRED SMOOTH LANTERNSHARK, Etmopterus bigelowi SHIRAI and TACHIKAWA 1993 (SQUALIFORMES, DALATIIDAE), IN SOUTHERN BRAZILIAN WATERS

open access: yesBoletín de la Sociedad Zoológica del Uruguay, 2020
In this paper the occurrence of an immature female specimen of the Blurred Smooth Lanternshark, Etmopterus bigelowi is recorded. The individual was caught by a longline vessel using a bottom hook on March 20th, 2014, off South Brazil.
openaire   +1 more source

Phylogeny of Somniosus sleeper sharks: insights from newly sequenced mitochondrial genomes [PDF]

open access: yes, 2022
Mitochondrial DNA (mtDNA) has been extensively used to explore phylogenetics since the its use became available. This science is considered useful in discerning relationships and evolutionary histories that are not possible with morphological studies ...
Christensen, Jacob Max
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LISTA SISTEMÁTICA PRELIMINAR DE LOS PECES DEL ESTADO DE NAYARIT, MÉXICO [PDF]

open access: yes, 2013
La ictiofauna del estado de Nayarit México ha sido poco estudiada y documentada, así el objetivo del trabajo es presentar el listado de los peces reportados en el estado a partir de una exhaustiva revisión bibliográfica y consulta de bases de datos ...
González-Díaz AA, Soria-Barreto M
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The curious case of the missing face: Death of California sea lion by Dungeness crab trap [PDF]

open access: yes, 2018
Marine mammals frequently interact with human detritus due to their proximity to shores and shared target foods. Sea lions have been known to attempt to obtain bait inside crab traps.
El-Mallakh, Rif S., Hartman, Michael
core   +2 more sources

Abundance and Distribution of Elasmobranchs in NAFO Regulatory Area (Divisions 3MNO) (Elasmobranch Fisheries – Oral) [PDF]

open access: yes, 2002
Recently, the importance of elasmobranch fisheries has increased in the NAFO area due to the collapse of some important stocks like cod or American plaice; species like thorny skate are now one of the main resources in the NAFO Regulatory Area ...
Cerviño, S. (Santiago)   +2 more
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Body Forms in Sharks (Chondrichthyes: Elasmobranchii), and Their Functional, Ecological, and Evolutionary Implications [PDF]

open access: yes, 2019
Sharks are among the oldest vertebrate lineages in which their success has been attributed to their diversity in body shape and locomotor design. In this study, I investigated the diversity of body forms in extant sharks using landmark-based geometric ...
Sternes, Phillip C.
core   +1 more source

Ictiólogos de la Argentina : Ricardo Gerónimo Perrotta [PDF]

open access: yes, 2015
Fil: López, Hugo Luis. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo. Universidad Nacional de La Plata; ArgentinaFil: Ponte Gómez, Justina. División Zoología Vertebrados. Facultad de Ciencias Naturales y Museo.
Hansen, Jorge E.   +2 more
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A kogiid sperm whale from the lower Pliocene of the Northern Apennines (Italy) [PDF]

open access: yes, 2018
We report on a new specimen of Kogiidae from S. Andrea Bagni, a Zanclean fossiliferous site of northern Italy. • This specimen consists of a partially complete cranium, one vertebra, one fragment of rib, and one tooth. • The S.
Bianucci, Giovanni   +2 more
core   +1 more source

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