Results 91 to 100 of about 42,740 (228)

Interactions between male guppies facilitates the transmission of the mongenean ectoparasite Gyrodactylus turnbulli [PDF]

open access: yes, 2012
In a previous study we found that female guppies shoaled more than males and that there was greater transmission of the ectoparasite Gyrodactylus turnbulli between females.
Cable, J   +2 more
core   +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

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

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

The roles of inter- and intra-sexual selection in behavioral isolation between native and invasive pupfishes [PDF]

open access: yes, 2017
Male-male competition and female mate choice may both play important roles in driving and maintaining reproductive isolation between species. When previously allopatric species come into secondary contact with each other due to introductions, they ...
Becher, Cory, Gumm, Jennifer M.
core   +2 more sources

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

New zoarcid fish species from deep-sea hydrothermal vents of the Atlantic [PDF]

open access: yes, 2001
International Ridge-Crest Research: Biological Studies. Vol.
Almeida, A. J.   +2 more
core  

Reproduction, early development, and larval rearing strategies for two sponge-dwelling neon gobies, Elacatinus lori and E.colini [PDF]

open access: yes, 2018
A major goal of the aquaculture industry is to reduce collection pressure on wild populations by developing captive breeding techniques for marine ornamental species, particularly coral reef fishes.
Atema, Jelle   +3 more
core   +1 more source

Hydrodynamic stability of swimming in ostraciid fishes: role of the carapace in the smooth trunkfish Lactophrys triqueter (Teleostei: Ostraciidae) [PDF]

open access: yes, 2003
The hydrodynamic bases for the stability of locomotory motions in fishes are poorly understood, even for those fishes, such as the rigid-bodied smooth trunkfish Lactophrys triqueter, that exhibit unusually small amplitude recoil movements during ...
Bartol, Ian K.   +5 more
core   +2 more sources

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