Results 1 to 10 of about 389 (133)

Ray-finned fishes (Actinopterygii) from the Upper Jurassic (Oxfordian) of the Atacama Desert, Northern Chile [PDF]

PeerJ, 2022
This contribution presents novel records of ray-finned fishes from the Oxfordian of Cerritos Bayos, northern Chile. This includes a Pachycormiformes diversity represented by macropredatory forms (aff. Hypsocormus sp.
Rodrigo A. Otero
doaj   +3 more sources

Late Cretaceous (Santonian) Atractosteus (Actinopterygii, Lepisosteidae) remains from Hungary (Iharkút, Bakony Mountains) [PDF]

Cretaceous Research, 2016
Lepisosteid fishes are well known from the Upper Cretaceous of Europe, but only by fragmentary remains from some Cenomanian and Campanian–Maastrichtian deposits. Here we report various cranial and postcranial remains of gars, discovered in the Upper Cretaceous (Santonian) Csehbanya Formation of Iharkut (Bakony Mountains, Hungary).
Marton SZABÓ, Attila Ősi
exaly   +3 more sources

Range extension of Tropical Gar, Atractosteus tropicus Gill, 1863 (Lepisosteiformes, Lepisosteidae), to the Yucatan Peninsula, Mexico [PDF]

Check List
The distribution of Atractosteus tropicus Gill,1863 is represented by three separate populations, which range from southeastern Mexico to Costa Rica. Herein, we document the first record of A.
Luis Fernando Del Moral-Flores, Armando T. Wakida-Kusunoki, Daniel Martínez-Martínez, Giovanni Alberto Anguiano-Lara, Joshep Heredy Galindo-Hernández   +4 more
doaj   +5 more sources

Acute toxicity and cholinesterase inhibition of the nematicide ethoprophos in larvae of gar Atractosteus tropicus (Semionotiformes: Lepisosteidae)

Revista de Biología Tropical, 2012
Biomarkers are a widely applied approach in environmental studies. Analyses of cholinesterase (ChE), glutathione S-transferase (GST) and lipid peroxidation (LPO) are biomarkers that can provide information regarding early effects of pollutants at ...
Freylan Mena Torres, Sascha Pfennig, María de Jesús Arias Andrés, Gabriel Márquez-Couturie, Adrían Sevilla, C. Maurizio Protti Q   +5 more
doaj   +6 more sources

Histología del ciclo reproductor de hembras del pejelagarto Atractosteus tropicus (Lepisosteiformes: Lepisosteidae) enTabasco, México Histology of reproductive cycle of tropical gar Atractosteus tropicus females (Lepisosteiformes: Lepisosteidae) in Tabasco, Mexico.

Revista de Biología Tropical, 2012
En el sureste de México A. tropicus es una especie de gran importancia ecológica, económica, cultural y para acuicultura, sin embargo, sus poblaciones silvestres han disminuido a causa de diversas actividades antropogénicas, por lo que se caracterizó el ...
Otilio Méndez-Marin, Arlette Amalia Hernández Franyutti, Carlos Alfonso Álvarez-González, Wilfrido Miguel Contreras-Sánchez, Mari Carmen Uribe Aranzábal   +4 more
doaj   +1 more source

Dietary live yeast (Debaryomyces hansenii) provides no advantages in tropical gar, Atractosteus tropicus (Actinopterygii: Lepisosteiformes: Lepisosteidae), juvenile aquaculture [PDF]

Acta Ichthyologica et Piscatoria, 2021
Tropical gar, Atractosteus tropicus Gill, 1863, is an ancient freshwater fish that is commercially cultivated in southern Mexico. Currently, there is a specific diet for its culture; however, the addition of probiotics has not been investigated.
Iris Adriana Hernández-López, Dariel Tovar-Ramírez, Susana De la Rosa-García, Carina Shianya Álvarez-Villagómez, Gloria Gertrudys Asencio-Alcudia, Talhia Martínez-Burguete, Mario Alberto Galaviz, Rocío Guerrero-Zárate, Rafael Martínez-García, Emyr Saúl Peña-Marín, Carlos Alfonso Álvarez-González   +10 more
doaj   +3 more sources

First record of exotic alligator gar, Atractosteus spatula (Actinopterygii: Lepisosteiformes: Lepisosteidae), from Ganga River system, India: A possible threat to indigenous riverine fish diversity [PDF]

Acta Ichthyologica et Piscatoria, 2021
A new record of an exotic alligator gar, Atractosteus spatula (Lacepède, 1803), from an open wetland of the Ganga River was presented in this paper and discussed along with the environmental parameters.
Ranjan Kumar Manna, Archisman Ray, Supriti Bayen, Tanushree Bera, Debashis Palui, Basanta Kumar Das   +5 more
doaj   +3 more sources

New records of alligator gar, Atractosteus spatula (Actinopterygii: Lepisosteiformes: Lepisosteidae) from Bali and Java, Indonesia [PDF]

Acta Ichthyologica et Piscatoria, 2020
Alligator gar, Atractosteus spatula (Lacepède, 1803), is native to North America, with introductions reported from many countries. In 2019, two specimens of A. spatula were captured in Indonesia, one in the Nyanyi Estuary, a mangrove center in
V. Hasan, M.S. Widodo, R.A. Islamy, D.A.A. Pebriani   +3 more
doaj   +3 more sources

Atractosteus spatula (Actinopterygii: Lepisosteiformes: Lepisosteidae): A deliberate aquarium trade introduction incidence in the Shatt al-Arab River, Basrah, Iraq [PDF]

Acta Ichthyologica et Piscatoria, 2017
The first record of a single specimen of alligator gar, Atractosteus spatula (Lacepède, 1803), native to North America, is reported from the inland waters of Iraq.
F. Mutlak, L. Jawad, A. Al-Faisal
doaj   +3 more sources

Lepisosteidae Agassiz 1832

, 2023
Family Lepisosteidae Agassiz 1832 (Fig. 2E). Gars; Gaspares, Pejelagartos Description: Body elongate, cylindrical; up to 300 cm in length; nostrils at front of snout; snout long and conical, with large fangs in both jaws; scales ganoid, about 50–65 along the lateral line; dorsal fin far posterior, with few rays; abbreviated heterocercal tail (Robertson
Angulo, Arturo, Betts, Joel T., González-Alemán, Néstor J., Castañeda, Edgar, Berghe, Eric Van Den, Elías, Diego J., Mcmahan, Caleb D., Matamoros, Wilfredo A.   +7 more
openaire   +2 more sources