Works on Fish biology, ecology, and behavior

Within the family Osphronemidae, mouth-brooding fighting fishes are small, air-breathing fish species that hold their eggs and offspring in their buccal cavities as a parental car…

Two new cave-dwelling species, Triplophysa zhijinensis sp. nov. and Triplophysa dafangensis sp. nov., are described from karst caves in Guizhou Province, southwestern China. Tripl…

We describe Rineloricaria harenae sp. nov., a sand-dwelling armoured catfish from the Itapocú River, Jaraguá do Sul, Santa Catarina, Brazil. The new species is diagnosed by a dist…

Two new species of the genus Sineuchiloglanis are described from two tributaries of the upper Yangtze River, China. These two new species can be distinguished from all congeners b…

Balitora tiandengensis (Teleostei, Balitoridae), a new species collected from a karst cave at Dukang Town, Tiandeng County, Guangxi, China is described and illustrated on the basi…

Prior to this publication, six species of microcaddisflies in the genus Rhyacopsyche (Trichoptera: Hydroptilidae) had been recorded from Ecuador. Herein, we describe five new spec…

Two new species of Hydroptilidae, Neotrichia baja sp. nov. and Ochrotrichia rivasi sp. nov., are described from the Baja California peninsula, Mexico. New country records for Mexi…

The Amazon is one of the most diverse biomes on Earth, and most of its area is in the territory of Brazil. Even though it harbors most of Earth’s diversity, species remain to be d…

Four microhabitats within pools (cobbles, sand, leaf litter, and bank vegetation) and one microhabitat in riffles (cobbles) were sampled in both rainy and dry seasons to identify …

This work aims to update the systematics of silverfish of the subfamily Heterolepismatinae (Zygentoma, Lepismatidae) based on morphological and molecular data of new taxa from the…

Catfishes of the genus Ictalurus (Ictaluridae) range geographically from southern Canada to northern Guatemala and Belize. The systematics of this genus remain unresolved, with re…

Recent surveys revealed a high biodiversity of freshwater shrimps, Atyidae De Haan, 1849 in northern Vietnam. Here, we describe four new species of the genus Caridina, C. ngocson …

Four new species of the poorly known genus Megapleonum Huang, Shih & Ahyong, 2018, are described from Guangdong Province, China: Megapleonum falx sp. nov. from Huizhou City, M. ya…

Growing evidence indicates that species diversity within the genus Chiloglanis Peters 1868 is poorly resolved and major taxonomic revisions are required. By integrating genetic an…

Diagnostic characters distinguishing the gudgeons Belobranchus belobranchus and Belobranchus segura were reassessed and found to be inconsistent, making it difficult to accurately…

Two new extremely elongate snake eel of the genus Ophichthus are described based on specimens collected from Vietnamese waters. Ophichthus cuulongensis Vo, Hibino & Ho, sp. nov. i…

Two new species of dark-body snake eels are described based on specimens collected from Taiwan. Ophichthus kbalanensis sp. nov. has a long tail; dorsal-fin origin above posterior …

The slender snake eel genus Yirrkala from Taiwan is reviewed, and a total of four species are recognized, including a new species described here. Yirrkala nkust sp. nov. is descri…

Two new species of the genus Triplophysa from southwestern Guizhou Province, China, are described. These are Triplophysa ziyunensis Wu, Luo, Xiao & Zhou, sp. nov. and Triplophysa …

Although Microphysogobio tungtingensis (Nichols, 1926) has been treated valid since it was described, its morphology remains vague, especially when comparing it with another simil…

Opsariichthys iridescens sp. nov. is described from the Qiantang and Oujiang rivers in Zhejiang Province and a tributary of the Yangtze River adjacent to the Qiantang River. It is…

Members of the genus Pseudopterogorgia Kükenthal, 1919 are widely distributed in shallow water of the Indo-West Pacific. During an investigation of benthic biodiversity in the sub…

A recently published molecular phylogenetic analysis, focusing on selected Western Atlantic subspecies of Acetes americanus Ortmann, 1893 and allies, was inconclusive about relati…

Two previously unknown species of Rhinogobius have been discovered in the streams of the Upper Youshui River, within the Yuan River Basin, Xiushan County, Chongqing, China. These …

A new species, Luciogobius opisthoproctus sp. nov., is described based on 18 specimens collected from Daxi Creek (Yilan) and Babian Creek (Taitung) in Taiwan. The new species is c…

Molecular data from samples encompassing 22 nominal species of Poropuntius indicate that the species-level diversity in the genus has been vastly overestimated, likely due to inad…

A new family of antipatharian corals, Ameripathidae (Cnidaria: Anthozoa: Antipatharia), is established for Ameripathes pseudomyriophylla Opresko & Horowitz, gen. et sp. nov. The n…

The Vaupés River stands out as one of the few within the Amazon basin due to its numerous rapids. These riverine fast-flowing sections not only provide habitat to highly specializ…

The recent surge in the discovery of hidden diversity within rheophilic taxa, particularly in West and East Africa, prompted a closer examination of the extent to which the curren…

The first freshwater amphibian representative of Crinocheta (Oniscidea) from the Neotropics is described from caves within the Brazilian Cerrado biome, state of Mato Grosso do Sul…

Macrobrachium lanchesteri (De Man, 1911), a translucent freshwater prawn has a wide distribution range throughout mainland Southeast Asia. A high morphological variation and genet…

In this paper, 15 new species of microcaddisflies in the genus Neotrichia Morton, 1905 (Trichoptera, Hydroptilidae) from Panama are described and illustrated: Neotrichia abrebotel…

Recently described cave species of the genus Triplophysa have been discovered in southwestern China, suggesting that the diversity of the genus is severely underestimated and that…

This work describes a new species, Balitora anlongensis sp. nov., collected from a cave at Xinglong Town, Anlong County, Guzihou, China. Phylogenetic trees reconstructed based on …

The taxonomy of the potamid crab genus Parvuspotamon Dai & Bo, 1994, with two species native to Yunnan province of southwest China, is revised based on morphological and molecular…

Sixteen new species of microcaddisflies (Trichoptera, Hydroptilidae) from Panama are herein described and illustrated. The majority of these were collected during surveys of Panam…

Several studies have demonstrated parasitism by monogenoids in characiform fish in the Neotropics. During studies on the helminth fauna of curimatids from the Tocantins River, spe…

The species diversity of freshwater crabs of Bangladesh is poorly known. In this study, Acanthopotamon fungosum (Alcock, 1909) and Maydelliathelphusa edentula (Alcock, 1909) are r…

Phenacogaster is the most species-rich genus of the subfamily Characinae with 23 valid species broadly distributed in riverine systems of South America. Despite the taxonomic dive…

Two specimens representing the first known adults of Lestidiops indopacificus (Ege, 1953) are reported and described from Taiwan, and the validity and generic assignment of this s…

A new species of freshwater crab, Potamonautes amathole sp. nov., is described from the Winterberg-Amathole mountain range in the Eastern Cape Province, South Africa. Morphologica…

Sinocyclocheilus longicornus sp. nov. is described from the Pearl River basin in Hongguo Town, Panzhou City, Guizhou Province, Southwest China. Based on the presence of the long h…

The microcaddisfly (Trichoptera: Hydroptilidae) fauna is catalogued from a review of more than 1,300 literature citations through the end of 2020 to include 2,665 currently recogn…

A new species of ephemerellid mayfly, Cincticostella ebura sp. nov., is described based on larvae collected in a stream from Nan Province, Thailand. This new species is classified…

Heteromormyrus Steindachner, 1866, a genus of Mormyridae (Teleostei: Osteoglossomorpha), has been monotypic since the description of Heteromormyrus pauciradiatus (Steindacher, 186…

Triplophysa daryoae, new species, is described from the Sokh River, a former tributary of Syr Darya that today fails to reach the river, in the Sokh District, an exclave of Uzbeki…

Louisea Cumberlidge, 1994 (Crustacea, Brachyura, Potamonautidae) currently includes four endemic Cameroonian freshwater crab species whose phylogenetic relationships were previous…

A new genus and species of Philopotamidae (Trichoptera), Sumacodella elongata, is described from the southern slope of Volcán Sumaco in Ecuador. This new genus differs from other …

The freshwater crab genus Tehuana Rodríguez & Smalley in Smalley, 1970 includes eight species distributed in southeastern Mexico. A recent review of organisms belonging to this ge…

A black coral, Bathypathes thermophila Chimienti, sp. nov. is described from the Saudi Arabian coasts of the Gulf of Aqaba and north Red Sea (Neom area) using an integrated taxono…