Results 51 to 60 of about 672 (170)
Revista de biologia tropical, 2010 The visual system of Teleost fishes has a wide range of adaptations. The eye has suffered modifications, mainly towards better sensitivity and visual resolution according to specific environmental conditions. In that way, this organ is so important for survival.
Mario O, Tovar +4 more
openaire +1 more source
Amazonian Ornamental Fish: Diversity, Reproduction, and Commercial Applications [PDF]
Livro resultado de rede de pesquisaThe Amazon River basin is one of the richest and most diverse aquatic ecosystems on Earth, home to an impressive diversity of fish with enormous variation in size and color patterns that attract scientists ...
Batista, Danilo Vitor Vilhena +3 more
core +3 more sources
Anais da Academia Brasileira de CiênciasLength-weight relationships (LWR) were calculated for five freshwater ornamental fish species from the middle Negro River basin in the Brazilian Amazon. Samplings were carried out from October 2011 to February 2012, and the specimens were found close to ...
MARCIO Q.C. SANTOS +5 more
doaj +1 more source
, 1984 This paper covers the ecological development of the major ornamental fish Paracheirodon axelrodi found in rain forest streams (almost "clear-water") in the region of the middle and upper Rio Negro.
Annibal, S., Geisler, R.
core
Densidade e distribuição dos cromatóforos na pele do cardinal tetra (Paracheirodon axelrodi Schultz 1956) após exposição à luz intensa [PDF]
, 2015 Os peixes podem apresentar diversas formas e aparências ligadas diretamente às condições do meio ambiente ou a tipos diferentes de relações ecológicas.
Regiane Monteiro Linhares
core
Revista de Biología Tropical, 2009 El pez dulceacuícola P. axelrodi es de gran importancia comercial en la Orinoquía Colombiana y a nivel mundial, pero carece de estudios acerca de su visión. Se utilizaron diez individuos, con longitud total promedio de 2.7 cm (SD= 0.2, n= 20).
Mario O Tovar +4 more
doaj
Estrutura populacional do tetra cardinal Paracheirodon axelrodi, Schultz 1956 (Characiformes; Characidae) no médio rio Negro, Amazonas – Brasil. [PDF]
, 2017 The estimation of population parameters in fish is essential for the interpretation of the life aspects of the strategy linked to its reproduction and growth, providing subsidies for the development of effective measures in the management of fishery ...
Rodrigues, Paola Karoline de Sousa
core
Actualidades Biológicas, 2017 Este trabajo consistió en identificar y describir la anatomía externa e interna del cerebro de Paracheirodon axelrodi (Schultz, 1956, Characiformes: Characidae). Se emplearon 28 individuos los cuales fueron sacrificados de acuerdo a protocolos de ética para investigación con animales. Las cabezas fueron conservadas en formaldehído al 4%. Posteriormente
Martha J. Obando-Bulla +5 more
openaire +1 more source
Estudo comparativo da toxicidade e dos mecanismos de ação tóxica de nanopartículas de cobre e cobre em duas espécies de peixes da Amazônia: Apistogramma agassizii e Paracheirodon axlerodi [PDF]
, 2017 Copper oxide nanoparticles (nCuO) are widely used in boat antifouling paints, and are released into the environment, inducing toxicity to aquatic organisms.
Mota, Susana Braz
core
Nusantara Bioscience, 1970 Abstract. Nurhidayat, Wardin L, Sitorus E. 2016. The survival and growth performance of juvenile cardinal tetra(Paracheirodon axelrodi) with application of tropical almond (Terminalia catappa) leaves. Nusantara Bioscience 8: 1-4. The proportional appearance of the length and the weight, and the color pattern are key factors of ornamental fishes ...
NURHIDAYAT NURHIDAYAT +2 more
openaire +1 more source