Results 21 to 30 of about 1,316 (148)

Análise das mordidas de tubarões-charuto, Isistius spp. (Squaliformes: Dalatiidae) em cetáceos (Mammalia: Cetacea) no litoral da Bahia, Nordeste do Brasil. [PDF]

open access: yesBiotemas, 2007
Poucos estudos registraram sinais de mutilações em cetáceos no Brasil, especialmente aqueles provenientes de ataques de tubarões. O presente trabalho descreve interações entre tubarões-charuto, Isistius spp., e cetáceos através dos registros e análises ...
Luciano Raimundo Alardo Souto   +4 more
doaj   +2 more sources

Primer reporte de tiburón cigarro (Isistius brasiliensis) para aguas cubanas/ First record of Cookiecutter shark (Isistius brasiliensis) in Cuban waters

open access: yesRevista de Investigaciones Marinas, 2016
Se informa un nuevo registro para la ictiofauna cubana específicamente para la clase Chondrichthyes: Isistius brasiliensis Quoy and Gaimard, 1824. El ejemplar, un juvenil macho de 289 mm de longitud total y 248 mm de longitud precaudal fue colectado ...
Alexei Ruiz-Abierno   +2 more
doaj   +1 more source

Interspecific and intraspecific variability in placoid scale morphology in relation to body form variability in squaliformes [PDF]

open access: yes, 1993
An ontogenetic series of nine species; Centrophorus granulosus, Centroscymnus coelolepis, Dalatias licha, Deania calcea, Echinorhinus cookei, Isistius brasiliensis, Oxynotus centrina and Squalus acanthias were studied to determine swimming capabilities ...
Tabit, Christopher R.
core   +3 more sources

Chondrichthyan (Holocephali, Squalomorphii and Batomorphii) remains from the Badenian of southern Hungary (Tekeres, Mecsek Mountains): the first deepwater cartilaginous fishes from the Middle Miocene of the Central Paratethys

open access: yesPapers in Palaeontology, Volume 8, Issue 6, November/December 2022., 2022
Abstract Middle Miocene (Badenian) chondrichthyan fossils collected from the Tekeres Schlieren Member of the Baden Formation at Tekeres (southern Hungary, Mecsek Mts) are described here. The chondrichthyan assemblage is exceptionally diverse and well‐preserved, and consists of holocephalans, selachians and batomorphs.
Márton Szabó   +6 more
wiley   +1 more source

Rich and underreported: First integrated assessment of the diversity of mesopelagic fishes in the Southwestern Tropical Atlantic

open access: yesFrontiers in Marine Science, 2022
Mesopelagic fishes play critical ecological roles by sequestering carbon, recycling nutrients, and acting as a key trophic link between primary consumers and higher trophic levels.
Leandro Nolé Eduardo   +12 more
doaj   +1 more source

Skin condition of fin whales at Antarctic feeding grounds reveals little evidence for anthropogenic impacts and high prevalence of cookiecutter shark bite lesions

open access: yes, 2023
Marine Mammal Science, Volume 39, Issue 1, Page 299-310, January 2023.
Helena Herr   +5 more
wiley   +1 more source

Moonless night sky increases Isistius species and live human contact

open access: yesbioRxiv, 2023
The nocturnal feeding behavior and zoogeographical habitat of cookiecutter sharks Isistius brasiliensis and Isistius plutodus (Isistius spp.) greatly reduces interaction of this species with live humans. Attacks on live humans are exceedingly rare with 7
Steven Minaglia, M. Liegl
semanticscholar   +1 more source

First record of a white rough-toothed dolphin (Steno bredanensis) off West Africa including notes on rough-toothed dolphin surface behaviour [PDF]

open access: yes, 2010
In June 2009, a white rough-toothed dolphin (Steno bredanensis) calf was photographed in a group of at least 50 dolphins in the southern Gulf of Guinea, 95 nauticol miles off the Gabon coast (01°45'S 007°29'E), West Africa. Reports of unusually pigmented
Boer, M.N., de
core   +3 more sources

Cutting blade dentitions in squaliform sharks form by modification of inherited alternate tooth ordering patterns [PDF]

open access: yes, 2016
The squaliform sharks represent one of the most speciose shark clades. Many adult squaliforms have blade-like teeth, either on both jaws or restricted to the lower jaw, forming a continuous, serrated blade along the jaw margin.
Johanson, Z.   +2 more
core   +1 more source

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