Results 31 to 40 of about 650 (149)

Conservation paradox of giant arapaima Arapaima gigas (Schinz, 1822) (Pisces: Arapaimidae): endangered in its native range in Brazil and invasive in Indonesia

open access: yesKnowledge and Management of Aquatic Ecosystems, 2020
Ornamental aquaculture is known to be one of the main sources of non-native species and Indonesia has been identified as one of the leading suppliers of these organisms worldwide.
Marková Jana   +7 more
doaj   +1 more source

Ichthyofaunal Diversity of Dhansiri River, Dimapur, Nagaland, India [PDF]

open access: yesCheck List, 2012
Northeastern India, one of the Ichthyofaunal hot spot areas of our country, is marked by the presence of varied freshwater fishes,a few adapted to torrential waterflow.
Biswajit Acharjee   +3 more
doaj   +3 more sources

Model behavior of non-model organisms : adaptive behavior in desert rodents and osteoglossiformes fishes [PDF]

open access: yes, 2021
Model organisms are useful tools for investigating generalities in biology and have greatly advanced current understanding of adaptive behavior. Yet Krogh's principle\u2070\u301\u2084that there exists specialized species most convenient for answering ...
Koenig, Lauren A.
core   +1 more source

Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins [PDF]

open access: yesNeotropical Ichthyology, 2020
The South American giant fishes of the genus Arapaima, commonly known as pirarucu, are one of the most iconic among Osteoglossiformes. Previously cytogenetic studies have identified their karyotype characteristics; however, characterization of ...
Ezequiel A. de Oliveira   +10 more
doaj   +1 more source

Supplementary Material for: Exceptionally Steep Brain-Body Evolutionary Allometry Underlies the Unique Encephalization of Osteoglossiformes

open access: yes, 2021
Brain-body static allometry, which is the relationship between brain size and body size within species, is thought to reflect developmental and genetic constraints.
Tsuboi M. (4375279)
core   +1 more source

Karyotype of the Mormyrid Baby Whale Fish (Osteoglossiformes: Mormyridae): Brienomyrus Brachyistius in Oluwa River, Nigeria [PDF]

open access: yes, 2022
The mormyrid fishes of the order Osteoglossiformes are abundant in the freshwaters of tropical Africa; the enormous species diversity of the group requires many systematics tools to comprehend this diversity better. Cytogenetics data can complement other
O. I, Jegede,
core   +1 more source

Feeding frequency affects feed intake and growth in juvenile pirarucu (Arapaima gigas) [PDF]

open access: yesActa Amazonica, 2019
Pirarucu is one of the main fish species for the development of aquaculture in the Amazon. In this study, the optimal feeding frequency for juvenile pirarucu was assessed based on growth and feed efficiency. Juvenile pirarucu weighing ca.
Ana Paula Oeda RODRIGUES   +3 more
doaj   +1 more source

Mooneye

open access: yes, 2016
NCTC Freshwater Fishes Teaching Collection: Order: Osteoglossiformes Family: Hiodontidae Genus: Hiodon Species: tergisus Drainage1: Drainage2: Site Location: Location ...
Patterson, Matthew, USFWS
core   +8 more sources

Os peixes de um lago de várzea da Amazônia Central (Lago Janauacá, Rio Solimões) e suas relações com os crustáceos ectoparasitas (Branchiura: Argulidae) [PDF]

open access: yesActa Amazonica, 1984
Durante um período de treze meses, de março de 1979 a março de 1980, excursões semanais foram realizadas ao Janauacá, um complexo de, l.agos de várzea da Amazônia Central. Miltrezentos e trinta e cinco peixesde cinco ordens, dezenove famílias e.
José Celso de Oliveira Malta
doaj   +1 more source

Marcusenius elegans: a replacement name for Marcusenius gracilis Kramer 2013 (Osteoglossiformes: Mormyridae), a secondary junior homonym of Marcusenius senegalensis gracilis (Pellegrin 1922)

open access: yes, 2022
Fricke, Ronald, Kramer, L. Bernd (2022): Marcusenius elegans: a replacement name for Marcusenius gracilis Kramer 2013 (Osteoglossiformes: Mormyridae), a secondary junior homonym of Marcusenius senegalensis gracilis (Pellegrin 1922). Zootaxa 5175 (4): 499-
Fricke, Ronald   +2 more
core   +1 more source

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