Results 91 to 100 of about 4,018 (245)

Fishing activity in Northern Rio de Janeiro State (Brazil) and its relation with small cetaceans

open access: yesBrazilian Archives of Biology and Technology, 1998
Research on fishing activity at Atafona village, in Northern Rio de Janeiro, Brazil (21°35'S), was carried out between 1987-96 for the purpose of relating it to the accidental capture of small cetaceans and of estimating the relationship between fishing ...
Ana Paula Madeira Di Beneditto   +2 more
doaj   +1 more source

Cannibalism on planktonic eggs by a non-filter feeding fish, Micropogonias furnieri (Sciaenidae)

open access: yesFisheries Research, 2002
Cannibalism by fishes on planktonic eggs is typical of filter-feeding marine planktivores, i.e. fishes that have the ability for filtering large volumes of water and concentrate small food particles. We report an unusual case of cannibalism on planktonic eggs by adults of the non-filter feeding fish Micropogonias furnieri, which are opportunistic ...
Acha, Eduardo Marcelo   +2 more
openaire   +2 more sources

Fishing strategies among prehistoric populations at Saquarema Lagoonal Complex, Rio de Janeiro, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2013
Two distinct fishing technologies were identified among the shellmound builders of the Saquarema Lagoonal Complex, in the Brazilian state of Rio de Janeiro: bone point technology and worked fish spines.
Márica B Guimarães
doaj   +1 more source

Evolution of the coastal bottom trawl fishery at Puerto Quequén, Buenos Aires province, Argentina: 1999-2010 period [PDF]

open access: yes, 2013
El objetivo del presente trabajo es estudiar la posibilidad de la ocurrencia del proceso denominado "pescar descendiendo por la red trófica" en Puerto Quequén, por medio de la relación entre el patrón temporal de los desembarques e indicadores indirectos
Nogueira, Jose Luis   +1 more
core  

Atresia folicular en peces teleósteos: Una revisión [PDF]

open access: yes, 2012
Many fish species with economic importance have been heavily exploited, causing the collapse of their fisheries. For this reason, there have been attempts to cultivate fish species for commercial purposes, resulting in varying success.
Berland Olea, Marco   +2 more
core   +1 more source

Length-weight relationship of marine fish species off Sao Sebastiao system, Sao Paulo, Southeastern Brazil [PDF]

open access: yes, 2000
The parameters a and b of the length-weight relationship of the form W = a . L super(b) were estimated for 57 fish species sampled in Sao Sebastiao Channel and shelf system in 1997, Sao Paulo, Brazil. The b values ranged from 2.746 to 3.617.
Muto, E.Y.   +2 more
core  

Trophic ecology of two syntopic sciaenid species (Micropogonias furnieri (Desmarest, 1823) and Ctenosciaena gracilicirrhus ) (Metzelaar, 1919) in a tropical bay in south-eastern Brazil

open access: yes, 2017
Analyzed were the diets of two closely related species of Sciaenidae (Micropogonias furnieri and Ctenosciena gracilicirrhus) coexisting in high abundance in the outer zone of Sepetiba Bay. Their sizes and seasonal niche dimensions were also analysed. The
M. M. Martins   +3 more
semanticscholar   +1 more source

Induction of oocyte maturation in the white croaker Micropogonias furnieri (Pisces: Sciaenidae) by human chorionic gonadotropin

open access: yesBrazilian Journal of Biology
The present work aimed to identify the best doses of human chorionic gonadotropin (hCG) needed to induce oocyte maturation of Micropogonias furnieri and to characterize ovarian dynamics during the periovulatory period. Adult M.
J. García-Alonso, D. Vizziano
doaj   +1 more source

Filmes biodegradáveis à base de proteínas miofibrilares de pescado Biodegradable films based on myofibrillar proteins of fish

open access: yesBrazilian Journal of Food Technology, 2012
O objetivo deste trabalho foi estudar as propriedades físicas, mecânicas e de barreira dos filmes produzidos a partir de diferentes concentrações de proteínas miofibrilares de pescado de baixo valor comercial.
Elessandra da Rosa Zavareze   +3 more
doaj  

17,20β-P and cortisol are the main in vitro metabolites of 17-hydroxy-progesterone produced by spermiating testes of Micropogonias furnieri (Desmarest, 1823) (Perciformes: Sciaenidae)

open access: yesNeotropical Ichthyology
The aim was to investigate the major C21 steroids produced by spermiating white croaker Micropogonias furnieri (Sciaenidae) in order to establish the potential mediator of gamete maturation in males of this species.
Denise Vizziano Cantonnet   +4 more
doaj   +1 more source

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