Indian Ocean - Latest works

A new species of spiny mouse, Mus (Pyromys) dumbara sp. nov., is described from the Dumbara (Knuckles) Mountain Range in Sri Lanka, based on an integrated assessment of external m…

Four new species of the flabby whalefish genus Gyrinomimus Parr, 1934 are described based on female specimens: G. alepis sp. nov. from the southern Atlantic, G. amaokai sp. nov. f…

Leodamas chevalieri, the only Leodamas species reported in the Arabian region, was originally described from Senegal, western Africa. In this work, the morphological and genetic (…

The genus Cardiocondyla Emery, 1869 is a diverse group of ants in the subfamily Myrmicinae, with a total of 89 recognised species and subspecies recorded worldwide. A new species …

The present study provides a supplementary morphological description, the first molecular analysis, and the first description of female of Stiphodon hadiatyae Nurjirana, Gustiano,…

Hydrothermal vent ecosystems are expected to harbor numerous meiobenthic animals; however, few studies have examined the species composition, abundance, and distribution of harpac…

This study describes two new species collected from deep-sea environments in the Indo-West Pacific. Hyalonema (Cyliconema) dexiangi sp. nov., collected from the Indian Ocean, is c…

The octocoral genus Pseudothelogorgia van Ofwegen, 1994 has presented taxonomic challenges since its original description, with its higher-level placement uncertain and obscured b…

Hard coral species in the agariciid genus Pavona are common in shallow and mesophotic coral reef communities across the Indo-Pacific, but their taxonomy has long been overlooked. …

Museum collections continue to play a critical role in taxonomic research by preserving historical material and biodiversity records that might otherwise have been lost. In the pr…

Nine species of Parasesarma are currently recorded from continental Australian mangroves. The present study describes a new species, P. otiense sp. nov., from Western Australia. P…

A new species of the gobiid genus Trimma is described from the Farasan Banks in the southeastern Red Sea. The new species is characterized by having a predorsal midline with 7–8 s…

A new species of sillaginid fish, Sillago persica sp. nov., is described from 30 specimens collected along the southern coast of the Persian Gulf (Busher), Iran. Morphological com…

Two new psammophilous Saprininae, Neopachylopus pharkidodes sp. nov. and N. penatii sp. nov. from the Arabian Peninsula and Algerian Sahara, respectively, are described and figure…

Molecular and morphological data suggest that the Mediterranean populations of the non-indigenous genus Dendostrea are part of a single clade. This clade includes oysters from Rod…

A new species, Stemonosudis adenensis sp. nov., of slender barracudina is described based on a specimen collected off Somalia, Western Indian Ocean. The new species differs from i…

Previous DNA-based studies identified four genetic lineages within Pseudobarbus afer: (i) the Mandela lineage confined to the Sundays, Swartkops, and Baakens river systems, (ii) t…

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

A new genus, Trematirunella gen. nov. (Mesostigmata: Uropodina: Trematuridae), with Trematirunella seychellia sp. nov. as its type species, is described, based on a female, males,…

Centipedes collected during Royal Society surveys of the arthropod fauna of the Aldabra Atoll in 1968–1975 are identified, described, and illustrated to provide the first checklis…

Microgastrinae is a megadiverse subfamily of wasps in the family Braconidae. As parasitoids of caterpillars, members of the subfamily play important roles in regulating native cat…

Herein, we describe a new species of Plectranthias perchlet found at depths of 100–125 meters in mesophotic coral ecosystems of the Maldives in the Indian Ocean. Plectranthias rak…

Although the status of Parascorpaena moultoni (Whitley, 1961) is now well established, the morphology of the species has been re-examined, with new diagnostic features identified.…

Two new janiroid isopod species, Heterosignum behbehanii sp. nov. and Uromunna alyamanii sp. nov., are described from the Kuwaiti waters, representing the first record of the gene…

A new species of Chromis (Teleostei, Pomacentridae) is described from four specimens collected between 95 and 110 m depth in mesophotic coral ecosystems in the Maldives, Indian Oc…

The taxonomy of the pill millipede genus Rhopalomeris Verhoeff, 1906, which is restricted to Indochina and currently comprises six described species, is refined and updated. An in…

Branchinotogluma Pettibone, 1985 is the most species-rich genus within the subfamily Lepidonotopodinae Pettibone, 1983, comprising 18 valid species from chemosynthesis-based ecosy…

A new gobiid species is described from ten specimens, 9.2 – 16.7 mm SL, collected from the Saudi Arabian Red Sea. The new species is most similar to Sueviota pyrios from the Gulf …

The taxonomy of subulinid snails in Myanmar has been evaluated, resulting in the recognition of 40 species and subspecies across nine genera: Allopeas, Bacillum, Curvella, Glessul…

The Galeommatoidea are a diverse but little-studied group of small bivalves, well known for the symbiotic relationships many species have with a range of invertebrate taxa. Four s…

The Austrelatus papuensis group is the second species group of the New Guinean representatives of the recently described genus Austrelatus Shaverdo et al., 2023. The group is main…

Annelid biodiversity studies in the Red Sea are limited and integrative taxonomy is needed to accurately improve reference libraries in the region. As part of the bioblitz effort …

We describe a new species of redbait in the genus Emmelichthys collected from fish markets on Panay and Cebu islands in the Visayas region of the Philippines. The species is exter…

Gnathia antennacrassa sp. nov. from seagrass beds off Rottnest Island, Western Australia is the first record of any gnathiid from the entirety of Western Australia; the male can b…

Alidus signatus Pic, 1926 is transferred from Mispila to Souvanna, and Souvanna signata (Pic, 1926), comb. nov. is proposed. The lectotype of Alidus signatus is designated. The fo…

Molecular systematic studies of the anthozoan class Octocorallia have revealed widespread incongruence between phylogenetic relationships and taxonomic classification at all level…

More than a decade has passed since the publication of the only world checklist available for Onychophora. During this period, numerous nomenclatural acts and taxonomic changes ha…

A rare spiny-scale pricklefish, Hispidoberyx ambagiosus Kotlyar, 1981, is redescribed based on four specimens collected from Taiwan. Their sampling locality represents the norther…

The marine ribbon worm genus Tetranemertes Chernyshev, 1992 currently includes three species: the type species T. antonina (Quatrefages, 1846) from the Mediterranean Sea, T. rubro…

Species of wolf spiders considered in the Pardosa atrata group are surveyed, and comparative figures of all species included in the group are presented for the first time. A new s…

Ten species of the spider genus Microdipoena Banks, 1895 are reported from China, Laos, Indonesia, Georgia, and Seychelles. DNA sequences of the eight species are obtained to conf…

The gibberfish Gibberichthys latifrons is recorded for the first time from southwestern Taiwan, northern South China Sea, based on the collection of seven adults and subadults fro…

Herein, Austrelatus gen. nov. (type species: Copelatus irregularis W.J. Macleay, 1871) is described for a distinctive lineage of predominantly Australasian species previously assi…

Bat flies (Diptera: Nycteribiidae and Streblidae) are hematophagous ectoparasites of bats characterized by viviparous pupiparity and generally high host specificity. Nycteribiid b…

Two species of the squat lobster family Munidopsidae, Munidopsis albatrossae Pequegnat & Pequegnat, 1973 and M. pycnopoda Baba, 2005, are reported from Taiwan for the first time b…

Based on larvae collected in the Philippines, Borneo (Kalimantan), Sumba, and Sumatra, the presence of the genus Nigrobaetis in the Philippines and Indonesia is reported for the f…

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…

This study presents a complete species list of the door snails inhabiting Myanmar, updated to now include 33 taxa, and provides taxonomic notes together with a re-description of t…

Nineteen new species of Karaops are described: K. durrantorum sp. nov. (♂), K. morganoconnelli sp. nov. (♀♂), K. joehaeneri sp. nov. (♀), K. dalmanyi sp. nov. (♀♂), K. garyodwyeri…

The genera Acesines Stål, 1876 and Dunnius Distant, 1902 (Hemiptera: Heteroptera: Pentatomidae: Pentatominae) were revised and redescribed with the description of Dunnius barpeten…