Harald Ahnelt
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View article: First records of the cryptobenthic goby Zebrus pallaoroi Kovačić, Šanda & Vukić, 2021 (Teleostei, Gobiiformes, Gobiidae) from Italy and Slovenia, including the northernmost record of this species in the Mediterranean Sea
First records of the cryptobenthic goby Zebrus pallaoroi Kovačić, Šanda & Vukić, 2021 (Teleostei, Gobiiformes, Gobiidae) from Italy and Slovenia, including the northernmost record of this species in the Mediterranean Sea Open
The genus Zebrus de Buen, 1930 has been considered monotypic. Recently it was shown that a second species of this genus, Zebrus pallaoroi Kovačić, Šanda & Vukić, 2021, was overlooked alongside Z. zebrus (Risso, 1827).…
View article: The first documented record of the Critically Endangered adder Vipera berus (Linnaeus, 1758) (Serpentes, Viperidae) from the German North Frisian Islands (North Sea) and the northernmost record in Germany
The first documented record of the Critically Endangered adder Vipera berus (Linnaeus, 1758) (Serpentes, Viperidae) from the German North Frisian Islands (North Sea) and the northernmost record in Germany Open
The German North Frisian Islands are naturally void of snakes. Although there were rumors decades ago that the adder Vipera berus (Linnaeus, 1758) occurs on these islands, there was no evidence of its presence on any of the islands. In thi…
View article: A Unique and Species-Rich Assemblage of Freshwater Glassfishes (Teleostei: Ambassidae: Dapalis) from the lower Oligocene of the Central Paratethys with the Description of Four New Species
A Unique and Species-Rich Assemblage of Freshwater Glassfishes (Teleostei: Ambassidae: Dapalis) from the lower Oligocene of the Central Paratethys with the Description of Four New Species Open
We describe four new species of the fossil genus Dapalis (Ambassidae), Dapalis absconditus sp. nov., Dapalis octospinus sp. nov., Dapalis parvus sp. nov. and Dapalis quintus sp. nov., based on articulated skeletons with otoliths in situ fr…
View article: Hyperostosis in Fishes: An Update With New Species Records
Hyperostosis in Fishes: An Update With New Species Records Open
Literature reports of hyperostosis are often misleading and have been confused with osteomas, a pathological condition. Hyperostotic bones are known to occur only in bony fishes of the class Actinopterygii, within at least 16 orders, 35 fa…
View article: Seasonal variations of a coastal fish community in relation to environmental parameters - A case study of the Sylt-Rømø Bight, southeastern North Sea
Seasonal variations of a coastal fish community in relation to environmental parameters - A case study of the Sylt-Rømø Bight, southeastern North Sea Open
The Wadden Sea is a transition area between land, rivers, and the North Sea. It is of great ecological importance for a wide range of fish species that use it in the course of their life cycle for various purposes. It is a highly dynamic e…
View article: Genetic and morphological evidence of a single species of bronze featherback (Notopterus notopterus) in Sundaland
Genetic and morphological evidence of a single species of bronze featherback (Notopterus notopterus) in Sundaland Open
The bronze featherback (Notopterus notopterus) is an iconic species of freshwater fish commonly found in South-East Asia and of great commercial and patrimonial importance. At present, the genus Notopterus comprises of two distinct species…
View article: Rediscovery of the giant featherback Chitala lopis (Notopteridae) in its type locality resolves decades of taxonomic confusion
Rediscovery of the giant featherback Chitala lopis (Notopteridae) in its type locality resolves decades of taxonomic confusion Open
Unresolved taxonomy poses a significant challenge for conservation and recovery efforts of freshwater fishes in Indonesia. Asian featherbacks of the genus Chitala are found in Java, Sumatra and Borneo, and currently thought to comprise 3 o…
View article: Systematics and distribution of two rare Mediterranean gobies, Corcyrogobius liechtensteini and Odondebuenia balearica (Teleostei: Gobiidae)
Systematics and distribution of two rare Mediterranean gobies, Corcyrogobius liechtensteini and Odondebuenia balearica (Teleostei: Gobiidae) Open
The distribution of the two gobiids Corcyrogobius liechtensteini (Kolombatovic, 1891) and Odondebuenia balearica (Pellegrin & Fage, 1907) in the Adriatic Sea is discussed. So far known from only 8 specimens, additional material of C. liech…
View article: A new species of Schindleria (Teleostei: Gobiiformes: Gobiidae) from the Red Sea (Saudi Arabia) with a specialized caudal-fin complex
A new species of Schindleria (Teleostei: Gobiiformes: Gobiidae) from the Red Sea (Saudi Arabia) with a specialized caudal-fin complex Open
Species of the gobiid genus Schindleria are among the smallest and fastest reproducing vertebrates of the oceans. We describe a new species, Schindleria qizma , from the Red Sea, Saudi Arabia. It is an extreme example of progenesis, within…
View article: Adaptability of Bony Armor Elements of the Threespine Stickleback Gasterosteus aculeatus (Teleostei: Gasterosteidae): Ecological and Evolutionary Insights from Symmetry Analyses
Adaptability of Bony Armor Elements of the Threespine Stickleback Gasterosteus aculeatus (Teleostei: Gasterosteidae): Ecological and Evolutionary Insights from Symmetry Analyses Open
Differentiation in the defensive armor of the threespine stickleback, Gasterosteus aculeatus, is caused by predator-driven divergent selection. Most studies considered armor traits related to swimming behavior, hence combining pre- and pos…
View article: A Northern Adriatic population of Thorogobius macrolepis (Teleostei: Gobiidae)
A Northern Adriatic population of Thorogobius macrolepis (Teleostei: Gobiidae) Open
A population of the large-scaled goby Thorogobius macrolepis (Kolombatovic, 1891) is described from the Bay of Rijeka, Croatia, north-eastern Adriatic Sea. Known to date only from three specimens, the discovery of the population of this sm…
View article: A new species of Schindleria (Teleostei: Gobiiformes: Gobiidae) from the Red Sea (Saudi Arabia) with a specialized caudal-fin complex
A new species of Schindleria (Teleostei: Gobiiformes: Gobiidae) from the Red Sea (Saudi Arabia) with a specialized caudal-fin complex Open
This dataset contains the digitized treatments in Plazi based on the original journal article Ahnelt, Harald, Macek, Oliver, Robitzch, Vanessa (2023): A new species of Schindleria (Teleostei: Gobiiformes: Gobiidae) from the Red Sea (Saudi …
View article: Site-specific attachment of <i>Anodonta anatina</i> (Bivalvia: Unionidae) glochidia on two new fish hosts translocated in Lake Trasimeno (Italy)
Site-specific attachment of <i>Anodonta anatina</i> (Bivalvia: Unionidae) glochidia on two new fish hosts translocated in Lake Trasimeno (Italy) Open
To complete their life cycle, freshwater mussels of the order Unionida depend on fishes as hosts for their obligatory parasitic larval phase, the glochidium. Here we report the first documentation of gobioid fishes as hosts of glochidia of…
View article: Morphology of two rare Mediterranean gobiid fishes (Teleostei: Gobiidae)
Morphology of two rare Mediterranean gobiid fishes (Teleostei: Gobiidae) Open
The Mediterranean gobiids Didogobius splechtnai and Gammogobius steinitzi occur sympatrically in submerged caves at the Balearic Island of Ibiza (Western Mediterranean). Both species inhabit the dark backgrounds of large caves, G. steinitz…
View article: Anatirostrum profundorum: a rare deep-water gobiid species from the Caspian Sea
Anatirostrum profundorum: a rare deep-water gobiid species from the Caspian Sea Open
Anatirostrum profundorum, the duck-bill goby, a rare deep-water gobiid fish, is reported for the Southern Caspian Sea, Iran. Four females, dredged in 45-80 m depth reveal morphological features which allow a more detailed description of th…
View article: A new species of toothless, short dorsal-fin Schindleria (Gobiiformes: Gobiidae) from the Red Sea (Egypt)
A new species of toothless, short dorsal-fin Schindleria (Gobiiformes: Gobiidae) from the Red Sea (Egypt) Open
We describe a new, tiny species of Schindleria from a reef lagoon in the Red Sea off the coast of Hurghada, Egypt. Schindleria edentata , new species, belongs to the short dorsal-fin type of Schindleria , with the dorsal and anal fins of a…
View article: Two Mediterranean gobiid fishes with an unusual cephalic lateral line canal system
Two Mediterranean gobiid fishes with an unusual cephalic lateral line canal system Open
Gobius ater (Belloti’s goby) and G. paganellus (rock goby) are the only known species of Gobiinae in the northeastern Atlantic, the Mediterranean and the Ponto-Caspian region with continuous oculoscapular canals. These continuous canals ar…
View article: Temperature-Dependent Reproductive Success of Stickleback Lateral Plate Morphs: Implications for Population Polymorphism and Range Shifts Under Ocean Warming
Temperature-Dependent Reproductive Success of Stickleback Lateral Plate Morphs: Implications for Population Polymorphism and Range Shifts Under Ocean Warming Open
Changing environments associated with rapid climate change can shape direct measures of fitness such as reproductive success by altering mating behavior, fecundity and offspring development. Using a polymorphic oceanic population of threes…
View article: Morphological differences between the eastern Pacific gobiid fishes Quietula guaymasiae and Quietula y-cauda (Teleostei: Gobiidae) with emphasis on the topography of the lateral line system
Morphological differences between the eastern Pacific gobiid fishes Quietula guaymasiae and Quietula y-cauda (Teleostei: Gobiidae) with emphasis on the topography of the lateral line system Open
Quietula guaymasiae and Quietula y-cauda occur sympatrically in the Gulf of California (Mexico). Both species are similar in their meristic values but differ in the topography of the lateral line system: the pattern of free neuromasts, the…
View article: Designation of a lectotype for the Canestrini’s Goby, Gobius canestrinii Ninni, 1883 (Teleostei, Gobiiformes, Gobiidae, Gobionellinae)
Designation of a lectotype for the Canestrini’s Goby, Gobius canestrinii Ninni, 1883 (Teleostei, Gobiiformes, Gobiidae, Gobionellinae) Open
A recent study based on molecular biological data revealed that Gobius canestrinii (Ninni, 1883), a gobioid fish endemic to the Adriatic basin, has to be split in three lineages. The original description was based on populations from two d…
View article: Quaternary climatic cycles promoted (re)colonization and diversification events in Adriatic sand gobies
Quaternary climatic cycles promoted (re)colonization and diversification events in Adriatic sand gobies Open
The Adriatic Sea and Adriatic Sea drainage system (or Adriatic region) is characterized by high levels of species richness. This especially applies to endemic fishes, as exemplified by the sand gobies. However, the diversity of this group …
View article: Diversity and sexual dimorphism in the head lateral line system in North Sea populations of threespine sticklebacks, Gasterosteus aculeatus (Teleostei: Gasterosteidae)
Diversity and sexual dimorphism in the head lateral line system in North Sea populations of threespine sticklebacks, Gasterosteus aculeatus (Teleostei: Gasterosteidae) Open
The mechanosensory lateral line of fishes is a flow sensing system and supports a number of behaviors, e.g. prey detection, schooling or position holding in water currents. Differences in the neuromast pattern of this sensory system reflec…
View article: First records of the Oak bush-cricket Meconema thalassinum on three German North Sea islands (Orthoptera: Ensifera, Tettigoniidae)
First records of the Oak bush-cricket Meconema thalassinum on three German North Sea islands (Orthoptera: Ensifera, Tettigoniidae) Open
We provide the first records of the Oak bush-cricket Meconema thalassinum on the three German North Sea geest islands Amrum, Föhr and Sylt, based on monitoring and citizen science. The presence of the Oak bush-cricket on these German islan…
View article: First record of the rare deep-water gobiid Thorogobius rofeni (Gobiidae) from the Southeast Atlantic
First record of the rare deep-water gobiid Thorogobius rofeni (Gobiidae) from the Southeast Atlantic Open
15.9 13.1-13.4 (13.3, 0.3) 12.1-13.0 (12.5, 0.4) SN/D1 38.2 34.8-35.9 (35.3, 0.7) 36.1-38.5 (36.9, 1.1) SN/D2 56.8 48.1-54.7 (51.4, 4.6) 55.7-58.5 (56.5, 1.3) SN/AN 55.4 55.3-57.4 (56.4, 1.5) 56.3-59.7 (57.5, 1.5) SN/A 61.0 61.4-63.6 (62.5…
View article: A new species of Schindleria (Teleostei: Gobiidae) from Tahiti (French Polynesia) with a unique lower jaw dentition
A new species of Schindleria (Teleostei: Gobiidae) from Tahiti (French Polynesia) with a unique lower jaw dentition Open
A new paedomorphic gobiid species, Schindleria multidentata, is described from the Pacific island of Tahiti (French Polynesia). The new species belongs to the group with a long dorsal fin (LDF). Schindleria multidentata is characterized by…
View article: First record of Gobius roulei (Gobiidae) in the Ligurian Sea
First record of Gobius roulei (Gobiidae) in the Ligurian Sea Open
Four specimens of Gobius roulei, a rare gobiid in the Mediterranean Sea, have been collected in the Gulf of Genova. These specimens represent the first record of this species in the Ligurian Sea.
View article: Deep-water, offshore, and new records of Schindler’s fishes, Schindleria (Teleostei, Gobiidae), from the Indo-west Pacific collected during the Dana-Expedition, 1928–1930
Deep-water, offshore, and new records of Schindler’s fishes, Schindleria (Teleostei, Gobiidae), from the Indo-west Pacific collected during the Dana-Expedition, 1928–1930 Open
Schindleria (Giltay (1934), Schindler’s fishes (or infantfishes), is a genus of small (< 22 mm) paedomorphic species of the family Gobiidae which mature extremely fast. These fishes occur from the eastern Pacific (Cocos Islands off Costa R…