Results 91 to 100 of about 25,678 (313)

Unicorn leatherjacket filefish, Aluterus monoceros (Actinopterygii: Tetraodontiformes: Monacanthidae): first record off the Tunisian coast and confirmed occurrence in the Mediterranean Sea [PDF]

open access: yesActa Ichthyologica et Piscatoria, 2011
Investigations conducted off the northern Tunisian coast (central Mediterranean) allowed the authors to collect a male of the unicorn leatherjacket filefish, Aluterus monoceros (L.).
J. Ben Souissi   +3 more
doaj   +3 more sources

The Reproductive Season of the Highland Stoneroller, Campostoma spadiceum, Evidenced by Museum Specimens [PDF]

open access: yes, 2019
The Highland Stoneroller (Campostoma spadiceum) was described as a distinct species in 2010. Since then, the only study specific to this species is a survey of distribution, and nothing is known about reproduction.
Robison, Henry   +2 more
core   +3 more sources

Unveiling Vertebrate Biodiversity in Arid and Semi‐Arid Terrestrial Ecosystems Through eDNA Metabarcoding at Savanna Waterholes

open access: yesEvolutionary Applications, Volume 19, Issue 2, February 2026.
ABSTRACT Applying environmental DNA (eDNA) metabarcoding to samples from waterholes and their surroundings offers a promising approach for monitoring terrestrial vertebrates in semi‐arid and arid ecosystems, such as the southern African savannas. However, minimal guidance exists on key sampling design parameters for terrestrial ecosystems, which can ...
Tamara Schenekar   +5 more
wiley   +1 more source

Investigation of asymmetry in sagitta otolith features in relation to total length in Lethrinus species from the Red Sea coast of Yemen

open access: yesOceanological and Hydrobiological Studies
This study aimed to investigate the asymmetry in otolith length (OL), otolith width (OW) and otolith weight (OWe) in relation to total body length in 224 fish samples of Lethrinus borbonicus, L. letnjan and L.
Jawad Laith A., AL-Shwafi Nabil A. A.
doaj   +1 more source

Growth, age and size of the Jurassic pachycormid Leedsichthys problematicus (Osteichthyes: Actinopterygii) [PDF]

open access: yes, 2013
The Jurassic pachycormid osteichthyan Leedsichthys problematicus is renowned for having been able to achieve prodigious size for a bony fish. Building on work of MARTILL (1986a), a thorough examination of all known material was conducted in order to ...
Adams, C.   +3 more
core  

Evaluación morfométrica y genética de la estructura poblacional de Cynoscion guatucupa de la costa de Buenos Aires en el Mar Argentino [PDF]

open access: yes, 2010
This study analyzed the morphometric, microsatellite loci and mitochondrial control region variation of the striped weakfish from two feeding and spawning grounds in the coastal area of Buenos Aires province. The characterization of the body shape proved
Díaz de Astarloa, Clara María   +4 more
core   +1 more source

SPECIATION IN NORTH AMERICAN BLACK BASSES, MICROPTERUS (ACTINOPTERYGII: CENTRARCHIDAE) [PDF]

open access: yesEvolution, 2003
The Pleistocene Epoch has been frequently cited as a period of intense speciation for a significant portion of temperate continental biotas. To critically assess the role of Pleistocene glaciations on the evolution of the freshwater fish clade Micropterus, we use a phylogenetic analysis of complete gene sequences from two mitochondrial genes ...
Thomas J, Near   +4 more
openaire   +2 more sources

Participatory citizen science data complements agency‐collected data for species inventories

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January/March 2026.
Citizen science data from iNaturalist and eBird can make meaningful contributions in complementing state agency‐derived species inventories of state parks in Florida. Agency data and citizen science data overlap in the species they document and each provides novel species in different parks.
Samantha K. Lowe   +3 more
wiley   +1 more source

Innervation Drives Postembryonic Expansion of the Zebrafish Anterior Lateral Line System

open access: yesJournal of Comparative Neurology, Volume 534, Issue 1, January 2026.
A dramatic expansion of the anterior lateral line system occurs during zebrafish ontogeny, largely driven by the addition of superficial neuromasts. Here, we describe a new hybrid‐origin mechanism of neuromast addition and uncover a larval‐stage developmental switch to an innervation‐dependent phase of expansion.
Theresa J. Christiansen   +2 more
wiley   +1 more source

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