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Reproductive biology of the swimming crab achelous spinimanus (Decapoda, portunoidea): A potential fishing resourceBiologia reprodutiva do siri achelous spinimanus (Decapoda, portunoidea): um recurso pesqueiro em potencial.
(2020-01-01)
This study describes the reproductive and recruitment patterns of the swimming crab Achelous spinimanus (Latreille, 1819) in the Ubatuba region of the northern coast of São Paulo, Brazil. Crabs were captured monthly from ...
Spatial and temporal distribution of fishing resources exploited by the Manaus fishing fleet, Amazonas, Brazil
(Instituto Internacional de Ecologia, 2007-11-01)
Recursos pesqueiros são importantes fontes de renda e alimento para as populações rurais e urbanas na Amazônia. O presente trabalho avalia a pesca e as variáveis ambientais que determinam a produção de pescarias que ...
Meat yield of the mangrove crab, Ucides cordatus (Linnaeus, 1763) (Crustacea, Brachyura, Ucididae)
(Inst Pesca, 2015-01-01)
Specimens of Ucides cordatus were captured from September 1998 to September 2000 in mangroves from Iguape, SP, Brazil (24 degrees 41'25 ''S - 47 degrees 27'48 ''W) and analyzed by sex, biological period ...
Recursos pesqueiros oriundos da pesca artesanal no reservatório de jurumirim, rio Paranapanema, Alto Paraná, Brasil
(Inst Pesca, 2009-01-01)
The aim of this paper was to evaluate the artisanal fisheries in the village of fishermen of Bairro da Ponte, Jurumirim reservoir. Data were collected using production forms which were filled daily by a data collector, in ...
Stress indicators for Prochilodus lineatus (Characiformes: Prochilodontidae) breeders during passage through a fish ladder
(2018-01-01)
This study investigated whether fish ladder transposition is a stressful event for the streaked prochilod, Prochilodus lineatus, in a dam on the Upper Paraná River, Brazil. Bodyweight, standard length and plasma concentrations ...
Record of the rare Caribbean mud eel, Pythonichthys sanguineus (Heterenchelyidae, Anguilliformes), in the region of the Amazon Reef
(Instituto Nacional de Pesquisas da Amazônia, 2019-04-01)
ABSTRACT As they spend most of their time buried in the substrate and are not a fishery resource, heterenchelyids are seldom seen. These eels are characterized by their greatly reduced eyes, which are covered by semi-transparent ...
Observation of the embryonic development in Pseudoplatystoma coruscans (Siluriformes: Pimelodidae) under light and scanning electron microscopy
(Cambridge University Press, 2008-11-01)
Pseudoplatystoma coruscans is a very popular species for tropical fish culture as it has boneless meat of delicate taste and firm texture. Few studies on fish reproductive biology refer to the morphological features of ...
Repetitive DNA probe linked to sex chromosomes in hybrids between Neotropical fish Leporinus macrocephalus and Leporinus elongatus (Characiformes, Anostomidae)
(Karger, 2009-01-01)
Interspecific hybrids of fish can offer important advances in the zootechnical exploration of this animal group. However, hybrids can pose serious biological risks to the environment and natural populations, making genetic ...
Effectiveness of a fish ladder for two Neotropical migratory species in the Paraná River
(2018-01-01)
We evaluated the effectiveness of the fish ladder at Porto Primavera Dam in the severely regulated Upper Paraná River, for two Neotropical migratory fish species. Overall, 564 fish (448 Megaleporinus obtusidens and 116 M. ...
Lisina em dietas para alevinos de carpa comum
(2017-01-01)
The aim of the present study was to determine the lysine requirement of common carp fingerlings. Two hundred and eighty common carp fingerlings, with mean weight and mean length initial of 0.62 ± 0.05 g and 3.38 ± 0.11 cm, ...