Results 81 to 90 of about 42,434 (226)

The oldest acanthomorph fossil (Actinopterygii, Teleostei) from the Early Cretaceous of Gondwana (Morro do Chaves Formation, Sergipe–Alagoas Basin, NE Brazil)

open access: yesPapers in Palaeontology, Volume 12, Issue 1, January/February 2026.
Abstract This paper presents the discovery of †Gondwanacanthus decollatus, a new genus and species of Early Cretaceous deep‐bodied fish from the late Barremian or early Aptian Morro do Chaves Formation in the Sergipe–Alagoas Basin, northeastern Brazil. It represents the first record of Acanthomorpha in Early Cretaceous Gondwana.
Alexandre Cunha Ribeiro   +3 more
wiley   +1 more source

Mid-Cretaceous acanthomorph fishes with the description of a new species from the Turonian of Lac des Bois, Northwest Territories, Canada

open access: yesVertebrate Anatomy, Morphology, Palaeontology, 2016
A single specimen of a new acanthomorph fish is described from a Turonian locality sampling the northern part of the Cretaceous Western Interior Seaway.
Alison M Murray
doaj   +3 more sources

Length–Weight Relationships of Four Fish Species Belonging to the Genus Traccatichthys (Teleostei: Nemacheilidae) in Southern China

open access: yesJournal of Applied Ichthyology, Volume 2026, Issue 1, 2026.
Traccatichthys is a genus of small benthic omnivorous nemacheiline loaches, with limited ecological and biological data available. Here, we described length–weight relationships (LWRs) for four Traccatichthys species from southern China. Fishes were sampled using stationary fish cages (10 m in length, mesh size: 0.5 cm) between January and April 2025 ...
Shu Ni   +4 more
wiley   +1 more source

A new species of Gyrodactylus (Monogenea, Gyrodactylidae), an ectoparasite from the endemic Iranocichla hormuzensis (Teleostei, Cichlidae), the only Iranian cichlid [PDF]

open access: yes, 2012
Iranocichla hormuzensis occupies a biogeographically peculiar position. This endemic of southern Iran is the only Iranian cichlid. While it is phylogenetically related to African oreochromine members of the cichlid family, it remains unclear how it has ...
Boeger, Walter A.   +5 more
core   +3 more sources

First Record of the Yellowbar Angelfish, Pomacanthus maculosus (Forsskål, 1775) (Teleostei, Pomacanthidae) in Greek Waters

open access: yesJournal of Applied Ichthyology, Volume 2026, Issue 1, 2026.
We report the first sighting of the yellowbar angelfish Pomacanthus maculosus (Forsskål, 1775) (Teleostei, Pomacanthidae) in Greece. We observed a young adult multiple times in the summer of 2025 over the course of 10 weeks on a rocky pinnacle on the island of Crete.
Davide Bottacini   +4 more
wiley   +1 more source

First record of Diaphus rafinesquii (Cocco, 1838) (Myctophidae) in the Norwegian Sea

open access: yesFauna Norvegica, 2013
The myctophid Diaphus rafinesquii is endemic in the North Atlantic and the Mediterranean and was for the first time found in the Norwegian Sea. The specimen was captured off northern Norway at about 71° N, representing the northernmost record so far ...
Rupert Wienerroither, Otte Bjelland
doaj   +1 more source

Factors determining parasite abundance in European perch, Perca fluviatilis, European whitefish, Coregonus lavaretus, and Arctic charr, Salvelinus alpinus, in an oligotrophic lake, southern Norway

open access: yesFauna Norvegica, 2020
Time and spatial variations in macroparasite status were investigated in European perch, Perca fluviatilis, European whitefish, Coregonus lavaretus, and Arctic charr, Salvelinus alpinus in Lake Norsjø (Southern Norway), based on gillnet fishing in three ...
Tom Robin Olk   +5 more
doaj   +1 more source

Spermatogenesis and sperm structure in the black-striped pipefish Syngnathus abaster (Teleostei, Syngnathidae) = Spermatogenesi e struttura degli spermatozoi in Syngnathus abaster (Teleostei, Synghathidae) [PDF]

open access: yes, 2010
The gonads of adult males of the black-striped pipejish Syngnathus abaster were observed during the reproductive season to describe mature sperm both quantitativel/y and qualitatively.
Addis, Alberto   +3 more
core  

Teleostei, Scophthalmidae: four-spot megrim spotted in Norwegian waters

open access: yesFauna Norvegica, 2019
The flatfish four-spot megrim (Lepidorhombus boscii) was registered in Norwegian waters, both in trawl catches and video observations. The records represent a considerable northward extension of the species.
Rupert Wienerroither   +3 more
doaj   +1 more source

Stenogobius (Teleostei: Gobioidei: Oxudercidae) from Indonesia

open access: yes
Les habitats dulçaquicoles dans les îles tropicales de l’Indo-Pacifique sont principalement colonisés par des poissons amphidromes, qui présentent une phase larvaire marine alors que le reste de leur cycle de vie se déroule au sein des rivières. Ces écosystèmes sont principalement composés d’espèces appartenant au groupe des Gobiiformes.
Causse, Romain   +9 more
openaire   +2 more sources

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