Works on Cephalopods and Marine Biology

We describe two new species of the genera Cryptophallus Bock, 1913 and Limnoplana Faubel, 1983, which have not been reported for nearly a century. Herein, the genus Limnoplana rep…

A list of species of slugs and semi-slugs of the superfamily Helicarionoidea collected in North Vietnam in 2023 is presented. A new species of the genus Ostracolethe Simroth, 1901…

The order Polycladida (Platyhelminthes) in Mexico has historically received limited attention from researchers, primarily due to challenges associated with its low detectability a…

Amphioctopus aegina is an economically important species that has been intensively exploited in the marine areas along the Chinese coast. However, the genetic variation and popula…

The isopod crustaceans reported from or expected to occur in littoral and sublittoral marine habitats of the Southern California Bight (SCB) in the northeastern Pacific Ocean are …

Nautiloids are a charismatic group of marine molluscs best known for their rich fossil record, but today they are restricted to a handful of species in the family Nautilidae from …

A small bivalve mollusk previously only known from the Pleistocene of Los Angeles County has recently been found living intertidally near Santa Barbara, California. The bivalve ha…

In this study, we described a new species of octopus and named it Callistoctopus xiaohongxu sp. nov. based on nine specimens captured in the waters of southeast China. Callistocto…

Since the first record of chaetognaths (arrow worms) reported from Korean waters by Molchanov in 1907, three families, 12 genera and 21 species have been additionally described. E…

Gnorimosphaeroma oregonense (Dana, 1852) is revised, a male neotype is designated, photographed, and illustrated; the species occurs from Vancouver British Columbia to the central…

Knowledge on species taxonomic identity is essential to understand biological and biogeographical processes and for studies on biodiversity. Species the genus Tremoctopus have bee…

Four specimens of the five-gilled white mid-dorsal line hagfish, Eptatretus wandoensis sp. nov. were recently collected from the southwestern Sea of Korea (Wando). This new specie…

Seba longimera sp. nov., of the family Sebidae Walker, 1908, is described from hydrothermal vents in Okinawa Trough. Other two congenic species, S. bathybia Larsen, 2007 and S. pr…

Gnathia bermudensis sp. nov. is described from mesophotic coral ecosystems in Bermuda; it is distinguished by pronounced and pointed supraocular lobes, two superior frontolateral …

The monospecific genus Leptotachidia Becker, 1974 (Pseudotachidiidae Lang, 1936) was previously known only from the deep Atlantic. Female specimens of two unknown species of this …

Kinorhynchs rarely show a wide distribution pattern, due to their putatively low dispersal capabilities and/or limited sampling efforts. In this study, a new kinorhynch species is…

Lithobius (Monotarsobius) meifengensissp. n. occurring at Mei-Feng Farm, Highland Experimental Farm of National Taiwan University, Nantou, Taiwan, is characterised by a male secon…

Faunistic studies in sublittoral and littoral marine habitats on the Cape Peninsula, South Africa, have yielded three new species belonging to the genus Heteromysis, subgenus Hete…

A new eusirid amphipod, Eusirus bulbodigitus sp. n., from Jeju Island, Korea is described with a detailed description and illustrations. Eusirus bulbodigitus sp. n. shows common f…

The dataset of free-living marine nematodes of San Antonio Bay is based on sediment samples collected in February 2009 during doctoral theses funded by CONICET grants. A total of …

An annotated checklist of marine fishes of the Sanctuary of Islands and Islets of Bahía Chamela in the central Mexican Pacific is presented. Records of fish species were obtained …

The oegopsid squids Abraliopsis and Pterygioteuthis are abundant and diverse genera with taxonomic and distributional problems. Identification and distribution of species in the M…

Five species of epibenthic pycnogonids collected on the giant lion´s-paw scallop Nodipecten subnodosus are recorded. A new species of Eurycyde, E. bamberi, is described. Of the 19…

The free-living marine nematodes of San Julián Bay dataset is based on sediment samples collected in January 2009 during the project PICT AGENCIA-FONCYT 2/33345-2005. A total of 3…

A new species of the genus Nihonotrypaea Manning & Tamaki, 1998, N. hainanensis sp. n., collected from the South China Sea, is described and illustrated. It is distinguishable fro…

Here we present distributional records for Tanaidacea specimens collected during several Antarctic expeditions to the Ross Sea: the Italian PNRA expeditions (“V”, 1989/1990; “XI”,…

In-situ video-based observations collected using multiple platforms are increasingly used for biodiversity assessments at abyssal and hadal depths, sometimes complemented by physi…

In this report, we detail the process undertaken for preparing and mounting a sperm whale skeleton (Physeter macrocephalus Linnaeus, 1758) specimen for exhibition at the Natural H…

We report recent observations, two new locality records and an updated overview of the distribution of Dopasia buettikoferi (Lidth de Jeude, 1905) from Borneo, as well as photogra…

Invasive alien (IA) predators pose significant threats to native ecosystems, often leading to profound impacts on prey species through both direct and non-consumptive effects (NCE…

Plankton samples from Laguna Navio Quebrado, La Guajira, northern Colombia, yielded male and female specimens of an harpacticoid copepod that was first identified as the widely di…

During the analysis of phytal meiobenthic samples collected from a rocky-sandy beach in the state of Nayarit, in the Mexican Pacific, several specimens of harpacticoid copepods we…

A new species of Lepidodasys is described from sublittoral sandy sediments off the Atlantic coast of Florida. Lepidodasys ligni sp. n. is a small species (≤ 450 µm) with a crossed…

Data on opportunistic sightings of diamond-shaped squid Thysanoteuthis rhombus egg masses in the Canary Islands (Atlantic Ocean) are presented. A total of 16 egg masses of this sp…

We describe Hedgpethia spinosa sp. n. based on a single male specimen obtained from 197–207 m depth, south of Yaku Island, Kagoshima Prefecture, Japan. Among 15 previously known c…

Dubinectes infirmus sp. n., Munnopsidae, is described from the Argentine Basin, southwest Atlantic, at depths between 4586–4607 m. The new species is distinguished by a narrow rim…

The chemosymbiotic bivalves collected from the mud volcanoes of the Gulf of Cadiz are reviewed. Of the thirteen species closely associated with chemosynthetic settings two Solemyi…

The present dataset is a compilation of georeferenced occurrences of the littorinid genus Laevilacunaria Powell, 1951 (Mollusca, Gastropoda) in the Southern Ocean. Occurrence data…

This report documents the first record of the genera Eucheilota and Mitrocomella and species Porpita porpita and Physalia physalis in Bali, Indonesia, based on observed occurrence…

The oldest reference to marine life in Formigas Islets (oriental group of the Azores archipelago) goes back to the 16th century. Nevertheless, their macroalgal flora is poorly kno…

We present the first official record of the by-the-wind-sailor (Velella velella) for Ecuador. Twelve individuals were found along different beaches of San Cristóbal and Santa Cruz…

This paper presents the first record of Viminella Gray 1870 from the Persian Gulf. This genus has a global distribution and its largest distribution is in the Indo-Pacific region.…

Herein, first observations are reported of Magnapinna squids in the Colombian Southern Caribbean. Two specimens were observed by Remote Operated Vehicles (ROV) during exploratory …