Results 1 to 10 of about 563 (110)

Marcación y recaptura del gatuzo (Mustelus schmitti) en el Ecosistema Costero Bonaerense (Argentina) [PDF]

open access: yesMarine and Fishery Sciences, 2020
El presente trabajo está referido a los primeros resultados obtenidos sobre marcado y recaptura en el gatuzo, Mustelus schmitti, como medio para reconocer sus desplazamientos y migraciones en el Ecosistema Costero Bonaerense (ECB).
Marcelo Pérez   +2 more
doaj   +12 more sources

Mitochondrial Genome and Phylogenetic Analysis of the Narrownose Smooth-Hound Shark Mustelus schmitti Springer, 1939 [PDF]

open access: yesAnimals
Southern Brazil is home to a large biodiversity of elasmobranchs from the Brazilian coast. Several genera and species of small sharks of the Triakidae family live in this marine environment.
Walter Nisa-Castro-Neto   +6 more
doaj   +4 more sources

Unusual record of a multiple predation of the Patagonian seahorse Hippocampus patagonicus by the Narrownose smooth-hound Mustelus schmitti in Argentine coastal waters [PDF]

open access: yesMarine and Fishery Sciences, 2021
Seahorses (Genus Hippocampus) are rarely reported as prey items. Their low population numbers, their ability to blend with the environment and their low palatability are the features making them an unsuitable option for predators. Five individuals of the
Mauro Belleggia   +4 more
doaj   +5 more sources

Morphological indicators of initial reproductive commitment in Mustelus schmitti (Springer 1939) (Chondrichthyes, Triakidae): folliculogenesis and ovarian structure over the life cycle [PDF]

open access: yesBrazilian Journal of Biology, 2014
This work provides information about the sexual commitment and the folliculogenesis of the gatuzo, Mustelus schmitti. A total of 112 females of all maturity stages were fished in the Bahía Blanca estuary, between 2009 and 2010.
EJ Galíndez   +2 more
doaj   +8 more sources

Bioenergetic Model of the Highly Exploited Shark Mustelus schmitti under a Global Warming Context

open access: yesDiversity, 2023
Bioenergetic models are tools that allow the evaluation of the effect of environmental variables on fish growth. Successful implementation of this approach has been achieved in a few elasmobranch species. Our objective was to develop a bioenergetic model
Juan Manuel Molina   +3 more
doaj   +3 more sources

Age and growth of the highly exploited narrownose smooth-hound (Mustelus schmitti) (Pisces: Elasmobranchii) [PDF]

open access: yesFishery Bulletin, 2017
The narrownose smoothhound (Mustelus schmitti) is the most exploited elasmobranch of Argentina, Brazil, and Uruguay and is considered endangered (IUCN Red List of Threatened Species).
Blasina, Gabriela Elizabeth   +2 more
core   +4 more sources

Determination of limited histotrophy as the reproductive mode in Mustelus schmitti Springer, 1939 (Chondrichthyes: Triakidae): analysis of intrauterine growth of embryos [PDF]

open access: yesNeotropical Ichthyology, 2015
This work analyzed length-mass relationship, growth in length, mass variations and dynamic of yolk sac depletion of Mustelus schmitti embryos, extracted from females catched by the artisanal fishery acting off La Paloma (34°39'S, 54°10'W, Uruguay) during
Luis Orlando   +5 more
doaj   +3 more sources

Mustelus schmitti, Narrownose Smoothhound [PDF]

open access: yes, 2020
The Narrownose Smoothhound (Mustelus schmitti) is a small (to 109 cm total length) shark that occurs in the Southwest Atlantic from Rio de Janeiro, Brazil to south of Puerto Deseado, Santa Cruz, Argentina.
Barreto, R.   +9 more
core   +2 more sources

Testicular histology of Mustelus schmitti springer, 1939 (Elasmobranchii, triakidae) [PDF]

open access: yes, 2013
Mustelus schmitti presenta unos testiculos de desarrollo diametrico en la que espermatocistos forma redonda muestran una disposición zonal. Cada zona tiene espermatocistos que contienen células germinales en una sola fase de desarrollo.
Rojas, Fernando Oscar
core   +3 more sources

Histochemical study of the oviducal gland and analysis of the sperm storage tubules of Mustelus schmitti Springer, 1939 (Chondrichthyes, Triakidae) [PDF]

open access: yesPesquisa Veterinária Brasileira, 2015
: The paired oviducal glands of immature and mature females of Mustelus schmitti were examined macro and microscopically. Findings indicate that these glands possessed the same zonation as in most chondrichthyans from anterior to posterior: club ...
Fernanda Gabriela Elías
doaj   +3 more sources

Home - About - Disclaimer - Privacy