Results 31 to 40 of about 558,150 (298)

Aquarium dermatitis: Cercarial dermatitis in an aquarist [PDF]

open access: yes, 1998
A 33-year-old man presented with very itchy red papules on the back of his hands and forearms. These papules appeared about 90 min after he had cleaned his aquarium in which he kept native fish and watersnails.
Bastert, J.   +3 more
core   +1 more source

Community-level trophic characteristics and interactions between native and non-native fish: The example of the Lower Pearl River Basin of China [PDF]

open access: yesNeoBiota
Aquatic ecosystems can harbour more than one non-native fish species and this can represent a threat due to trophic interactions with native fishes. However, research on interactions amongst multiple co-occurring native and non-native fish remains scarce.
Hui Wei   +9 more
doaj   +3 more sources

Distribution and abundance of fish and crayfish in a Waikato stream in relation to basin area [PDF]

open access: yes, 2003
The aim of this study was to relate the longitudinal distribution of fish and crayfish to increasing basin area and physical site characteristics in the Mangaotama Stream, Waikato region, North Island, New Zealand.
Allen K. R.   +14 more
core   +2 more sources

AMPHIBIAN RESPONSE TO A LARGE-SCALE HABITAT RESTORATION IN THE PRAIRIE POTHOLE REGION [PDF]

open access: yes, 2016
Over the next half-century, scientists anticipate that nearly one third of the currently recognized 7,450 amphibian species will become extinct. Many organizations have responded to the challenge of conserving amphibian biodiversity, some indirectly ...
Hawkins, Michael J.   +4 more
core   +2 more sources

Isotope niche dimension and trophic overlap between bigheaded carps and native filter-feeding fish in the lower Missouri River, USA. [PDF]

open access: yesPLoS ONE, 2018
Stable carbon and nitrogen isotope values (δ13C and δ15N) were used to evaluate trophic niche overlap between two filter-feeding fishes (known together as bigheaded carp) native to China, silver carp (Hypophthalmichthys molitrix) and bighead carp ...
Jianzhu Wang   +4 more
doaj   +1 more source

Prioritization of fish communities with a view to conservation and restoration on a large scale European basin, the Loire (France) [PDF]

open access: yes, 2008
The hierarchical organization of important sites for the conservation or the restoration of fish communities is a great challenge for managers, especially because of financial or time constraints.
A Baisez   +59 more
core   +4 more sources

Reproductive aspects of the dwarf cichlid Apistogramma agassizii under captive conditions

open access: yesBoletim do Instituto de Pesca, 2022
Apistogramma agassizii is a native fish from the Amazon basin, which is of great interest for fishkeeping and is supplied to the retail trade from extractivism.
Hélio Jacobson da Silva   +5 more
doaj   +1 more source

Behavioral cues enable native fishes to exit a California floodplain while leaving non‐native fishes behind

open access: yesEcosphere, 2022
AbstractFloodplains are highly productive environments that provide critical rearing habitat and increased growth for diverse native fishes, including juvenile Chinook salmon (Oncorhynchus tshawytscha). Yet, stranding during the flood recession is a potential negative outcome in restored ecosystems where environmental cues are not always present as ...
Mollie H. Ogaz   +4 more
openaire   +2 more sources

Chromosomal-level assembly of the Asian Seabass genome using long sequence reads and multi-layered scaffolding [PDF]

open access: yes, 2016
We report here the ~670 Mb genome assembly of the Asian seabass (Lates calcarifer), a tropical marine teleost. We used long-read sequencing augmented by transcriptomics, optical and genetic mapping along with shared synteny from closely related fish ...
A Bairoch   +190 more
core   +5 more sources

Efficacy of a sensory deterrent and pipe modifications in decreasing entrainment of juvenile green sturgeon (Acipenser medirostris) at unscreened water diversions. [PDF]

open access: yes, 2014
Water projects designed to extract fresh water for local urban, industrial and agricultural use throughout rivers and estuaries worldwide have contributed to the fragmentation and degradation of suitable habitat for native fishes.
Bandeh, Hossein   +7 more
core   +1 more source

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