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A new species of Colobomatus Hesse, 1873 (Copepoda: Philichthyidae) parasitic in the interorbital canals of the Caitipa mojarra Diapterus rhombeus (Cuvier, 1829) (Actinopterygii: Gerreidae) from Sepetiba Bay, southeastern Brazil
A new species of parasitic copepod, Colobomatus deborae n. sp. , belonging to the cyclopoid family Philichthyidae Vogt, 1877, is proposed based on...
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Analysis of Distribution of Striped Seabream (Lithognathus mormyrus L., 1758) (Actinopterygii: Sparidae) in the Black Sea
AbstractInformation on the distribution of the mormor (striped seabream) Lithognathus mormyrus that moved into the Black Sea is summarized on the...
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Intruder (DD38E), a recently evolved sibling family of DD34E/Tc1 transposons in animals
BackgroundA family of Tc1/mariner transposons with a characteristic DD38E triad of catalytic amino acid residues, named Intruder ( IT ), was...
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Mitochondrial genome structure and composition in 70 fishes: a key resource for fisheries management in the South Atlantic
BackgroundPhylogenetic gaps of public databases of reference sequences are a major obstacle for comparative genomics and management of marine...
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Rhinergasilus unguilongus n. sp. (Copepoda: Ergasilidae): A Gill Parasite of the Freshwater Fish Prochilodus lineatus (Valenciennes, 1837) (Actinopterygii: Prochilodontidae) from the Neotropical Region, Brazil
PurposeTo describe, based on morphological features, a new copepod species of Rhinergasilus , Rhinergasilus unguilongus n. sp., collected from gills...
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Facilitating population genomics of non-model organisms through optimized experimental design for reduced representation sequencing
BackgroundGenome-wide data are invaluable to characterize differentiation and adaptation of natural populations. Reduced representation sequencing...
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Three new species of Philocorydoras Suriano, 1986 (Monogenoidea: Dactylogyridae) infecting the gills of callichthyids (Actinopterygii: Callichthyidae) from the Peruvian Amazonia
During a research on gill ectoparasites of callichthyids fishes from the Peruvian Amazonia, the following monogenoideans were found: Philocorydoras...
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Finding of Parasites Kudoa nova and Kudoa niluferi (Myxosporea: Kudoidae) in the Muscles of Alien Gobies Tridentiger trigonocephalus and Gobius cruentatus (Actinopterygii: Gobiidae) in the Black Sea
AbstractThe data on parasitizing of two species of myxosporeans of the genus Kudoa in the muscles of two species of alien gobies in the Black Sea...
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Convergent gene losses and pseudogenizations in multiple lineages of stomachless fishes
The regressive evolution of independent lineages often results in convergent phenotypes. Several teleost groups display secondary loss of the...
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Development of a Filament on the Lower Lobe of the Caudal Fin of the Lessepsian Migrant Fish Nemipterus randalli (Actinopterygii: Clupeiformes: Nemipteridae)
Unusual development of a filamentous extension of the lower caudal-fin lobe was observed in eight male individuals of the Lessepsian migrant fish...
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The influence of ocean warming on the natural mortality of marine fishes
Climate change is anticipated to have multiple consequences for aquatic ectotherms. Warming temperatures, for example, are predicted to reduce body...
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Proposal of Cynoscionella n. g. (Monogenea: Diplectanidae), with description of a new species from the gills of Cynoscion phoxocephalus (Actinopterygii: Sciaenidae) in Peru and reassignment of two species of Diplectanum Monticelli, 1903
Cynoscionella n. g. is proposed for Cynoscionella sanmarci n. sp. and two previously described species of Diplectanum Diesing, 1858 were reassigned...
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New host and first description of the male of Colobomatus stelliferi Pombo, Turra, Paschoal & Luque, 2015 (Copepoda: Philichthyidae), parasite of Umbrina canosai Berg, 1895 (Actinopterygii: Sciaenidae) off Brazil: improving the taxonomic knowledge pertaining to Colobomatus spp.
The present study provides new host and first description of the male of Colobomatus stelliferi Pombo, Turra, Paschoal & Luque, 2015 (Copepoda,...
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Biomarkers as ecological indices in monitoring the status of market fish
BackgroundEnvironmental contamination has become a major concern over the past few decades, drawing the attention of numerous researchers from both...
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A New Species of Hatschekiid Copepod (Crustacea: Hatschekiidae) Parasitic on the Porkfish Anisotremus virginicus (Linnaeus, 1758) (Actinopterygii: Haemulidae), with Notes on Previously Known Species of Hatschekia Poche, 1902 Collected from Actinopterygians off Brazil
IntroductionCopepods of the genus Hatschekia Poche, 1902 are parasitic on the gills of marine actinopterygians. Currently, about 151 species of this...
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Morphological and molecular evidence supports the first occurrence of two fishes, Siganus sutor (Valenciennes, 1835) and Seriolina nigrofasciata (Rüppell, 1829) (Actinopterygii: Perciformes), from marine waters of Odisha coast, Bay of Bengal, India
Marine ecosystems provide a wide variety of diverse habitats that frequently promote migration and ecological adaptation. The extent to which the...
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Bangladesh Gets New Marine Fish (Actinopterygii: Teleostei): First Observation of Seven Species from Rocky Tidal Habitats of the St. Martin’s Island, Bay of Bengal
On the northeastern flank of the Bay of Bengal, the St. Martin’s Island, a sedimentary continental formation, is the only maritime island and an...
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Vertebrate host phylogeny influences gut archaeal diversity
Commonly used 16S rRNA gene primers do not detect the full range of archaeal diversity present in the vertebrate gut. As a result, several questions...
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Evolutionary and ecological correlates of thiaminase in fishes
Thiamine (vitamin B 1 ) is required by all living organisms in multiple metabolic pathways. It is scarce in natural systems, and deficiency can lead to...
