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Alexander Urbano-Bonilla, Gustavo A Ballen, Guido A Herrera-R, Jhon Zamudio, Edgar E Herrera-Collazos, Carlos DoNascimiento, Saúl Prada-Pedreros, Javier A Maldonado-Ocampo
The Cusiana River sub-basin has been identified as a priority conservation area in the Orinoco region in Colombia due to its high species diversity. This study presents an updated checklist and identification key for fishes of the Cusiana River sub-basin. The checklist was assembled through direct examination of specimens deposited in the main Colombian ichthyological collections. A total of 2020 lots from 167 different localities from the Cusiana River sub-basin were examined and ranged from 153 to 2970 m in elevation...
2018: ZooKeys
Carlos DoNascimiento, Edgar Esteban Herrera-Collazos, Guido A Herrera-R, Armando Ortega-Lara, Francisco A Villa-Navarro, José Saulo Usma Oviedo, Javier A Maldonado-Ocampo
The present work is part of a process to create a Catalogue of the Freshwater Fishes of Colombia and consisted in the depuration and updating of the taxonomic and geographic components of the checklist of the freshwater fishes of Colombia. An exhaustive revision of the 1435 species recorded in 2008 was necessary to: 1. Add new species described since 2009 and species originally described from Colombia but inadvertently omitted in 2008; 2. Add new records of already described species; 3. Delete species whose presence in Colombia was not supported by voucher specimens in ichthyological collections; and 4...
2017: ZooKeys
Timóteo Monteiro da Silva, Juliana Corrêa Dos Santos, Victor Amazonas Viegas Ferreira, Lorran Alves da Cruz Ramos, Wolmar Benjamin Wosiacki, Marcos Paulo Alves de Sousa
This dataset contains information on the occurrence of Neotropical fishes (Actinopterygii, Chondrichthyes, Sarcopterygii) collected in South America, mostly from the Brazilian Amazon. The ichthyology collections of the Museu Paraense Emílio Goeldi (MPEG: include specimens collected between 1900 and 2014. The dataset is now available for public consultation on the Global Biodiversity Information Facility portal (, and through Sistema de Informação sobre a Biodiversidade Brasileira (http://gbif...
2017: ZooKeys
Aurélie Chaalali, Anik Brind'Amour, Stanislas F Dubois, Hervé Le Bris
Through their tissues or activities, engineer species create, modify, or maintain habitats and alter the distribution and abundance of many plants and animals. This study investigates key ecological functions performed by an engineer species that colonizes coastal ecosystems. The gregarious tubiculous amphipod Haploops nirae is used as a biological model. According to previous studies, the habitat engineered by H. nirae (i.e., Haploops habitat) could provide food and natural shelter for several benthic species such as benthic diatoms belonging to the gender Navicula, the micrograzer Geitodoris planata, or the bivalve Polititapes virgineus...
August 2017: Ecology and Evolution
N D Bovcon, P D Cochia, J Ruibal Núñez, M Vucica, D E Figueroa
The presence of the telescope fish Mendosoma lineatum in Patagonian waters of Argentina is reported. Mendosoma lineatum is the second species of the Latridae recorded in the south-west Atlantic Ocean and its presence in Patagonia is an addition to both the ichthyological fauna of the Argentinean Sea and the south-west Atlantic Ocean.
August 13, 2017: Journal of Fish Biology
Ricardo Betancur-R, Edward O Wiley, Gloria Arratia, Arturo Acero, Nicolas Bailly, Masaki Miya, Guillaume Lecointre, Guillermo Ortí
BACKGROUND: Fish classifications, as those of most other taxonomic groups, are being transformed drastically as new molecular phylogenies provide support for natural groups that were unanticipated by previous studies. A brief review of the main criteria used by ichthyologists to define their classifications during the last 50 years, however, reveals slow progress towards using an explicit phylogenetic framework. Instead, the trend has been to rely, in varying degrees, on deep-rooted anatomical concepts and authority, often mixing taxa with explicit phylogenetic support with arbitrary groupings...
July 6, 2017: BMC Evolutionary Biology
E A Frolova, V L Syomin
The species composition of the polychaetes derived from ichthyological and Sigsbee trawls in the Pechora and Kara seas in 2012 was studied and compared with the grab survey data of 1993-1995. The distribution of the large sabellidae, nektobenthic, and bathypelagic species that are poorly caught by a grab has been determined for the first time. Changes that were observed in the biogeographical polychaete structure in the Kara Sea (a higher proportion of the boreal species and a lower proportion of the Arctic species) may reflect a response of zoobenthos to the Arctic warming in the late 20th and early 21st centuries...
July 2016: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
Peter R Last, Peter M Kyne, Leonard J V Compagno
A new dwarf wedgefish, Rhynchobatus cooki sp. nov. is described from a single female from a Jakarta fish market (Indonesia) and 11 specimens collected at Jurong fish market (Singapore). First collected in 1934, the broader ichthyological community have been aware of this distinctive but little known ray since the late 1990's. Rhynchobatus cooki is the smallest of the wedgefishes (to 81 cm TL) and has the lowest vertebral count (fewer than 107 centra). It is also distinguishable from its congeners based on its long, hastate snout, very strongly undulate anterior pectoral-fin margin, coloration and aspects of its squamation...
July 20, 2016: Zootaxa
Willian Massaharu Ohara, Emanuel Bruno Neuhaus
Sorubim trigonocephalus was described in 1920 by Alípio de Miranda Ribeiro, based on a single specimen collected in a locality identified as "Porto Velho", during the "Comissão das Linhas Telegráficas Estratégicas de Mato Grosso ao Amazonas" (more commonly known as Rondon Commission). Given that the type locality is Porto Velho, the species has been referred to the Madeira River basin (Lundberg & Littmann, 2003; Littmann, 2007; Eschmeyer et al., 2016). Nevertheless, after its description, no additional specimens were collected in the Madeira basin despite several ichthyological expeditions undertaken to the area (Santos, 1996; Camargo & Giarrizzo, 2007; Rapp Py-Daniel et al...
July 11, 2016: Zootaxa
Mark F Watson, Henry J Noltie
During his 20-year career as a surgeon-naturalist with the British East India Company, Francis Buchanan (later Hamilton, known in botany as Buchanan-Hamilton and in ichthyology as Hamilton-Buchanan) undertook pioneering survey explorations in several diverse regions of the Indian subcontinent. A naturalist at heart, his collections of plants and animals are often the first from such regions, notably Nepal, Burma (Myanmar) and Bangladesh. Buchanan had wide-ranging interests beyond natural history, using his talent for observation and meticulous recording to amass a huge body of information on the lands and peoples he encountered...
July 11, 2016: Annals of Science
Sven O Kullander
Gustaf Johan Billberg's review of ichthyology, published in Swedish in 1833 in the Linnéska samfundets handlingar, mentions 92 fish taxa at genus and species level, 41 of which represent new taxa, unnecessary replacement names, or unjustified emendations. Billberg presents his own classification of fishes, in which five new family names are introduced: Ballistidae, Diodontidae, Ooididae, Chironectidae, and Macrorhyncidae. Diodontidae has priority over Diodontidae Bonaparte, 1835. Macrorhyncidae was published earlier than Gempylidae Gill, 1862, but the latter has priority by prevailing usage...
January 14, 2016: Zootaxa
Sara Campanella
Ichthyological investigations and technological advancements, such as the laying of submarine telegraph cables, promoted new dredging methods in the second half of the 19th century. In contrast to the idea of a lifeless deep ocean (Edward Forbes' azoic hypothesis), the discovery of deep water fauna and the challenge of defining its systematics opened up new theoretical perspectives. In this frame, which was already marked by the impact of Darwin's theory, naturalistic surveys in freshwater environments in western Switzerland intertwined with those of oceanographic expeditions...
2016: Nuncius
Péter Takács, Zoltán Vitál, Árpád Ferincz, Ádám Staszny
We compared the repeatability, reproducibility (intra- and inter-measurer similarity), separative power and subjectivity (measurer effect on results) of four morphometric methods frequently used in ichthyological research, the "traditional" caliper-based (TRA) and truss-network (TRU) distance methods and two geometric methods that compare landmark coordinates on the body (GMB) and scales (GMS). In each case, measurements were performed three times by three measurers on the same specimen of three common cyprinid species (roach Rutilus rutilus (Linnaeus, 1758), bleak Alburnus alburnus (Linnaeus, 1758) and Prussian carp Carassius gibelio (Bloch, 1782)) collected from three closely-situated sites in the Lake Balaton catchment (Hungary) in 2014...
2016: PloS One
Mehran Shahi, Ehsan Kamrani, Mehrdad Salehi, Reza Habibi, Ahmad Ali Hanafi-Bojd
BACKGROUND: The widespread use of chemical insecticides, resistance in vectors and environmental problems, all have led to an increased interest in the use of biological agents in malaria control programs. The most important functional elements are the native fish. The aim of this study was to identify the native species of lavivorous fish in Rudan County, southern Iran, to introduce an effective species and to propose its' implementation in the national malaria control program. METHODS: This ecologically descriptive study was conducted during 2011-2012 using random sampling from different fish habitats of Rudan County...
November 2015: Iranian Journal of Public Health
Ivana Buj, Marko Ćaleta, Zoran Marčić, Radek Šanda, Jasna Vukić, Milorad Mrakovčić
The region of Balkans is often considered as an ichthyologic "hot spot", with a great number of species and high portion of endemics living in fresh waters in a relatively small area. The Adriatic watershed in Croatia and Herzegovina is inhabited by six spined loach species (genus Cobitis) whose extinction risk estimations were based solely on their extent of occurrence (and/or area of occupancy) and its fragmentation, and conservation proposals do not consider diversity below species level. In this investigation we employed molecular genetic methods to describe present genetic structure of the Adriatic spined loaches and reveal their demographic history...
2015: PloS One
Wilfredo A Matamoros, Christopher W Hoagstrom, Jacob F Schaefer, Brian R Kreiser
Although the conterminous USA has a long history of ichthyological exploration, the description of biogeographical provinces has been ad hoc. In this study we quantitatively determined fish faunal provinces and interpreted them in the context of the geological history of North America. We also evaluated influences of major river basin occupancy and contemporary environmental factors on provincial patterns. Our data set comprised 794 native fishes, which we used to generate a presence and absence matrix for U...
August 2016: Biological Reviews of the Cambridge Philosophical Society
Rupert A Collins, Emanuell Duarte Ribeiro, Valéria Nogueira Machado, Tomas Hrbek, Izeni Pires Farias
The Rio Nhamundá is a poorly-known clearwater river draining the southern Guiana Shield of Brazil. In this study we report the findings of a preliminary ichthyological survey, focusing on catfishes (Siluriformes). We identify a total of 36 species (31 genera, seven families) from the Nhamundá, including 11 species already recorded from the river. Overall, our survey results show that even rapid surveys can provide important information on Amazon fish biodiversity, suggesting potential new species, providing range extensions for nominal species, and additionally highlighting taxa in need of taxonomic revision and genetic study...
2015: Biodiversity Data Journal
Sung-Hun Lee, Chun-Cheol Kim, Soo-Jin Koh, Lim-Soo Shin, Jae-Kwon Cho, Kyeong-Ho Han
In order to monitor the developmental features of embryos, larvae, and juveniles of Oryzias latipes (Temminck and Schlegel), Oryzias latipes was caught in river of Shinduck-dong, Yeosu-si, Jeollanam-do, on May 2011, and experiments were carried out in Ichthyology laboratory at Chonnam National University. The blastodisc step was the first level for natural spawning. The optic vesicle, Kupffer's vesicle, myotome began to appear 75 hours 57 minutes later. After blastodisc development, the pectoral fins were made at 143 hours 37 minutes and the tail was separated started at the same time...
September 2014: Balsaeng'gwa Saengsig
Susana V Garcia
This paper examines the relationship between the development of commercial maritime fishing and the study of marine fauna in Argentina between the end of the nineteenth century and the first decades of the twentieth century. It analyzes ichthyological research, the commercialization of fresh maritime products and the opportunities that urban markets offered for the creation of collections. It also focuses on the beginnings of deep-sea fishing, which would make it possible to capture and study new species as well as gather information about the marine environment...
August 2014: História, Ciências, Saúde—Manguinhos
Márcio Luiz Vargas Barbosa-Filho, Alexandre Schiavetti, Daniela Trigueirinho Alarcon, Eraldo Medeiros Costa-Neto
BACKGROUND: Fishermen's knowledge is a source of indispensable information in decision-making processes related to efforts to stimulate the management and conservation of fishing resources, especially in developing countries. This study analyzed the knowledge of fishermen from three municipal areas of Bahia in northeast Brazil regarding the behavior repertoire of sharks and the possible influence that these perceptions may have on the inclination to preserve these animals. This is a pioneering study on the ethnobiological aspects of elasmobranchs in Brazil...
2014: Journal of Ethnobiology and Ethnomedicine
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