This study used environmental DNA (eDNA) metabarcoding to assess vertebrate biodiversity in headwater streams of the Rio Santo Antônio basin, southeastern Brazil, a tributary of the Rio Doce. A total of 119 vertebrate OTUs were identified, with oxidation–reduction potential emerging as the strongest environmental predictor of species richness.
Larissa Moreira‐Silva +8 more
wiley +1 more source
Dos especies nuevas de Creptotrema (Digenea: Allocreadiidae) de America del Sur
DOS ESPECIES NUEVAS DE DIGÉNEOS PERTENECIENTES A CREPTOTREMA TRAVASSOS, ARTIGAS Y PEREIRA, 1928 FUERON DESCRITAS DE EJEMPLARES DEPOSITADOS EN LA COLECCIÓN DE INVERTEBRADOS DEL MUSEO DE HISTORIA NATURAL DE GINEBRA, SUIZA. CREPTOTREMA LAMOTHEI N. SP.
STEPHEN S. CURRAN
doaj +1 more source
Parasites and non-fish predators of tilapia with particular reference to the sustainable management of fisheries of Lake Kainji Nigeria [PDF]
The fisheries of Lake Kainji, Nigeria, experienced a boom year following impoundment, then decline post impoundment and now is in a period of stabilisation of the fish resources. Several reasons have been advanced on factors responsible for these changes,
Obiekezie, A. +2 more
core
Fish, Marmelos Conservation Area (BX044), Madeira River basin, states of Amazonas and Rondônia, Brazil. [PDF]
The present study provides a species list of fish from the Marmelos River Area – BX044 in the states ofAmazonas and Rondônia in northern Brazil. During a Rapid Ecological Assessment (REA) performed in October andNovember of 2003, 133 fish species from ...
Camargo, M., Giarrizzo, T.
core +1 more source
Requerimiento proteico del pez juvenil Metinnys orinocencis (Characiformes: Characidae)
Introducción: La moneda o pez dólar, Metynnis orinocensis, es una de las especies ornamentales nativas de Colombia, con gran participación en el mercado internacional. Habitan principalmente en lagunas permanentes y áreas de inundación de las cuencas de los ríos Amazonas y Orinoco. Es una especie que ha sido reproducida en cautiverio.
Mariana Catalina Gutiérrez-Espinosa +1 more
openaire +3 more sources
Fisheries statistical bulletin, Kainji Lake, northern Nigeria, 1997 [PDF]
The bulletin presents summary tables and charts on levels of fishing activity, fishing effort, yields and economic values of yields for the fisheries of Kainji Lake, Nigeria for the year 1997.
core
Se amplía la distribución de Microgenys minuta (Characiformes, Characidae) desde la sección medio-alta del río Cauca y el tramo alto del río Magdalena hasta la porción media de la cuenca del río Magdalena, con base en ejemplares colectados en el ...
Lina M. Mesa S., Juan Gabriel Albornoz
doaj +1 more source
A practical approach to the design, construction and operation of midwater trawl used in Kainji Lake, Nigeria [PDF]
(19 page ...
Yaro, I.
core
Ictiofauna do Rio Jurubatuba, Santos, São Paulo: um refúgio de diversidade em terras impactadas [PDF]
Ichthyofaunistic surveys in the Atlantic Rainforest have been published in relatively few works, in spite of the major biological importance of this once vast biome which is rapidly vanishing due to disordered human population growth and natural ...
IGLESIAS, José Manoel Pires +1 more
core +1 more source
[A new fish species Hemibrycon (Characiformes: Characidae)].
Hemibrycon pautensis (Characiformes, Characidae), a new fish species from Paute River, eastern Ecuador is described. Diagnostic characteristics: eight to nine branched rays in the dorsal fin (vs. six to seven), and 27 - 28 in the anal fin (vs. 16 - 26, except in H. dariensis which presents 22 - 27, in H. metae 26 - 31 and H.
César, Román-Valencia +2 more
openaire +2 more sources

