Results 41 to 50 of about 14,113 (232)

Use of submerged trunks by stream fishes in the Lower Negro River, Amazon [PDF]

Acta Limnologica Brasiliensia
Fish make use of different microhabitats, such as submerged trunks, branches, foliage, crevices and stones, with different purposes, in search of shelter, refuge, food and even as a substrate for reproduction.
Montgomery Garrido, Thaynara Sofia Gomes Vieira, Chiara Lubich, Kedma Yamamoto   +3 more
doaj   +1 more source

Integrative taxonomy reveals four new species of the armoured catfish genus Pareiorhina (Siluriformes: Loricariidae) from the upper Paraná River basin, Brazil

Journal of Fish Biology, EarlyView.
Abstract Four new species of the small‐sized armoured catfish genus Pareiorhina are described from mountain ranges in the Grande River drainage, upper Paraná River basin, based on morphological and molecular species delimitation methods. Molecular analyses based on the cytochrome oxidase subunit I (COI) marker recovered Pareiorhina as polyphyletic ...
Pedro L. C. Uzeda, Luana J. Sartori, Axel M. Katz, Felipe P. Ottoni, Wilson J. E. M. Costa, Francisco Langeani, Valter M. Azevedo‐Santos   +6 more
wiley   +1 more source

Threatened Fishes of Arkansas [PDF]

, 1974
Intensive field collecting throughout Arkansas and a survey of literature and museum records revealed 37 fish species and subspecies in Arkansas to be threatened by human activities. Of these 37 threatened forms, seven are considered rare and endangered.
Robison, Henry W.
core   +2 more sources

Towards a DNA barcode library for Madagascar’s threatened ichthyofauna

PLOS ONE, 2022
In order to improve the molecular resources available for conservation management of Madagascar’s threatened ichthyofauna, we elaborated a curated database of 2860 mitochondrial sequences of the mitochondrialCOI,16SandND2genes of Malagasy fishes, of which 1141 sequences of freshwater fishes were newly sequenced for this data set. The data set is mostly
Miguel Vences, Dominik Stützer, Noromalala Rasoamampionona Raminosoa, Thomas Ziegler   +3 more
openaire   +4 more sources

A new endemic pearl cichlid of the ‘Geophagus’ brasiliensis (Cichliformes: Cichlidae) species group from the Piranga River, upper Doce River basin, southeastern Brazil

Journal of Fish Biology, EarlyView.
Abstract A new species of pearl cichlid of the ‘Geophagus’ brasiliensis species group, endemic to the Piranga River, a major tributary of the upper Doce River basin in the state of Minas Gerais, southeastern Brazil, is herein described. The new species is delimited using an integrative approach, with molecular‐based species delimitation methods coupled
Cidimar E. de Assis, Jorge A. Dergam, Amanda F. Cunha, Valéria N. Machado, Tomas Hrbek, Natállia M. de F. Vicente, Victor de Queiroz, Elisabeth Henschel   +7 more
wiley   +1 more source

Field studies of seahorse population density, structure and habitat use in a semi-closed north-eastern Mediterranean marine area (Stratoni, north Aegean Sea) [PDF]

, 2020
The present study was carried out in the marine area of Stratoni, Greece, where two seahorse species are present (Hippocampus hippocampus and H. guttulatus).
Correia, Miguel, Dounas, Costas, Koulouri, Panayota, Mentogiannis, Vasilis, Paulo, Diogo, Samara, Elina   +5 more
core   +1 more source

Characteristics of the current state of the ichthiofauna of the lake Kotlovan as a small artificial water body, Dnipro city

Ribogospodarsʹka Nauka Ukraïni
Purpose. To investigate the current state of nearshore and pelagic communities of ichthyofauna of an artificial water body: Lake Kotlovan in the city of Dnipro.
D. Kobiakow
doaj   +1 more source

Hidden partnerships in the dark: Cold‐water coral–fish associations in Fiordland, New Zealand

Journal of Fish Biology, EarlyView.
Abstract The ichthyofauna of the Fiordland ecosystems of southern Aotearoa New Zealand was documented during four remotely operating vehicle (ROV) dives between 100 and 350 m depth. A total of 26 fish species were documented within two fiord basins.
Alexander H. Knorrn, Peter Marriott, Kareen Schnabel, André Freiwald   +3 more
wiley   +1 more source

Snake eels (Ophichthidae) of the remote St. Peter and St. Paul’s Archipelago (Equatorial Atlantic) : Museum records after 37 years of shelf life [PDF]

, 2019
Despite of its major zoogeographical interest, the biological diversity of central Atlantic oceanic islands are still poorly known because of its remoteness.
Luiz Jr., Omar J., McCosker, John E.
core  

Hydrological and ichthyological survey of the small river Gorodskaya (Paramushir Island, Northern Kuriles, Sakhalin Region)

Известия ТИНРО, 2022
This paper presents the results of a comprehensive hydrologic-ichthyological route survey of the main part of the Gorodskaya River channel (Paramushir Island, Northern Kurils, Sakhalin Oblast) conducted in June 2021.
T. Y. Uglov, A. V. Sokolov, A. I. Nikiforov   +2 more
doaj   +1 more source