Results 1 to 10 of about 46 (34)

Reproductive biology of Sympterygia bonapartii (Chondrichthyes: Rajiformes: Arhynchobatidae) in San Matías Gulf, Patagonia, Argentina [PDF]

Neotropical Ichthyology, 2017
This study estimates and analyses the reproductive parameters and cycle of Sympterygia bonapartii in San Matías Gulf, northern Patagonia, Argentina. A total of 827 males and 1,299 females were analysed. Males ranged from 185 to 687 mm of total length (TL)
María L. Estalles, María R. Perier, Edgardo E. Di Giácomo   +2 more
doaj   +4 more sources

Reproductive biology of the skates Sympterygia acuta Garman, 1877 and S. bonapartii Müller & Henle, 1841 (Chondrichthyes: Rajoidei) in south Brazil [PDF]

Neotropical Ichthyology, 2014
The present study analyzed the sexual development, sizes at maturity and morphometric relationships for both sexes of Sympterygia acutaand S. bonapartii, endemic of south-western Atlantic Ocean.
Alexander Basallo, Maria Cristina Oddone
doaj   +3 more sources

Growth and reproduction in captivity unveils remarkable life-history plasticity in the smallnose fanskate, Sympterygia bonapartii (Chondrichthyes: Rajiformes) [PDF]

Neotropical Ichthyology, 2018
We analyzed growth and reproduction of captive-born smallnose fanskates Sympterygia bonapartii. Egg cases were obtained from oviposition of two females caught in the wild and held at Temaikèn Aquarium.
Julieta A. Jañez, Fernando J. Meijide, Luis O. Lucifora, Carolina Abraham, Federico Argemi   +4 more
doaj   +4 more sources

Sympterygia bonapartii, Smallnose Fanskate [PDF]

International Journal of Morphology, 2020
Fil: Marcante, F..
Pollom, R., Barreto, R., Charvet, P., Chiaramonte, Gustavo Enrique, Cuevas, J. M., Faria, V., Herman, K., Marcante, F., Montealegre Quijano, S., Motta, F., Paesch, L., Rincon, G.   +11 more
  +26 more sources

Histological Remarks of the Uterus of Sympterygia acuta (Garman, 1877) and Sympterygia bonapartii (Müller & Henle, 1841) (Chondrichthyes; Rajidae) [PDF]

International Journal of Morphology, 2013
Los condrictios constituyen un clado sumamente conservado y vulnerable a la explotacion, que ha cobrado una importancia creciente en los ultimos anos. Sin embargo, existe poca informacion sobre los aspectos morfologicos relacionados con la reproduccion; tanto asi, que la estructura del utero en hembras gravidas solo ha sido estudiada en profundidad en ...
Díaz-Andrade, María Constanza, Lopez-Cazorla, Andrea, Galíndez, Elena Juana   +2 more
exaly   +4 more sources

Sympterygia bonapartii Muller y Henle 1841

, 2015
Sympterygia bonapartii Müller y Henle, 1841. Systematische Beschreibung der Plagiostomem. Berlín. (Sin localidad tipo). INIDEP 36. Mar del Plata, col. Octubre 1970. Ident. M. B. Cousseau abril 1973. 2, ♂ 257 y ♀ 260 mm AD. INIDEP 37. Mar del Plata, Octubre 1970. Ident. M. B. Cousseau abril 1973. 2, ♀ 462 y 381 mm LT. INIDEP 239.
Barbini, Santiago A., Cousseau, María B.   +1 more
openaire   +1 more source

New insights to discriminate between Sympterygia acuta Garman 1877 and Sympterygia bonapartii Müller & Henle, 1841 (Rajidae) of the Southwest Atlantic Ocean: on the use of geometric morphometrics and spinulation patterns

Journal of Applied Ichthyology, 2015
Fil: Orlando, P.. Universidad Nacional de Mar del Plata.
Orlando, P., González Castro, Mariano, Mabragaña, Ezequiel   +2 more
openaire   +2 more sources

Comparative assessment of digestive enzyme activities of five fish species from the southwestern Atlantic Ocean

Marine and Fishery Sciences
Due to the scarcity of data cited in the literature, digestive enzyme profiles of fish species from the southwestern Atlantic Ocean are of particular interest.
María Cecilia Bonadero, María Victoria Laitano, Juana Cristina del Valle, Yamila Eliana Rodriguez, Nair de los Angeles Pereira, Analia Fernández-Gimenez   +5 more
doaj   +1 more source

Morphological study of the oviductal gland in the smallnose fanskate Sympterygia bonapartii (Müller and Henle, 1841) (Chondrichthyes, Rajidae)

Brazilian Journal of Biology
The oviductal gland is an exclusive structure of cartilaginous fishes that produces the egg jelly, forms the tertiary egg envelopes and stores sperm.
EJ Galíndez, MC. Díaz-Andrade, MS. Avaca, S. Estecondo   +3 more
doaj   +1 more source

Morphological study of the oviductal gland in the smallnose fanskate Sympterygia bonapartii (Müller and Henle, 1841) (Chondrichthyes, Rajidae) Estudo morfológico da glândula oviductal no smallnose fanskate Sympterygia bonapartii (Müller and henle, 1841) (Chondrichthyes, Rajidae)

Brazilian Journal of Biology, 2010
The oviductal gland is an exclusive structure of cartilaginous fishes that produces the egg jelly, forms the tertiary egg envelopes and stores sperm.
EJ Galíndez, MC. Díaz-Andrade, MS. Avaca, S. Estecondo   +3 more
doaj