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You searched for: Journal name Journal of applied ichthyology Remove constraint Journal name: Journal of applied ichthyology Publication Year 2019 Remove constraint Publication Year: 2019 Subject term carp Remove constraint Subject term: carp
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1. Can juvenile Baltic sturgeon (Acipenser oxyrinchus) smell the enemy?

Author:
Maria Cámara Ruiz; Carlos Espírito Santo; Alfons Mai; Jӧrn Gessner; Sven Wuertz
Source:
Journal of applied ichthyology 2019 v.35 no.4 pp. 835-842
ISSN:
0175-8659
Subject:
Acipenser oxyrinchus; Sander lucioperca; brain; captive animals; carp; cognition; cortisol; fish culture; foraging; gene expression; glucose; hatcheries; juveniles; lactic acid; mortality; odors; predation; predators; rearing; smell; sturgeon; tanks
Abstract:
... Atlantic sturgeon (Acipenser oxyrinchus), also known as Baltic sturgeon, is considered extinct in German waters. Fish‐rearing for conservation purposes largely relies on classical hatchery technology focusing on traits like survival and growth in captivity but rarely focusing on subsequent life in the wild, lacking skills such as foraging or anti‐predation behavior. Predation is hence a major fact ...
DOI:
10.1111/jai.13934

2. Ontogenesis and embryogenesis of Megaleporinus elongatus larvae (Characiformes: Anostomidae) from the Jequitinhonha River Basin

Author:
Paulo B. Perrotti; Tiago F. Abdo; Wesley A. Meireles; Lucas Marcon; Nilo Bazzoli
Source:
Journal of applied ichthyology 2019 v.35 no.2 pp. 520-528
ISSN:
0175-8659
Subject:
Anostomidae; Cyprinus carpio; carp; digestive tract; eggs; embryogenesis; extrusion; females; fish farms; hatching; larvae; males; mouth; ontogeny; oocytes; resorption; rivers; semen; spawning; tanks; water flow; watersheds; yolk sac
Abstract:
... Five females and five males of Megaleporinus elongatus captured in the Jequitinhonha River were transferred to hypophysation tanks with a constant water flow at 26°C at the Machado Mineiro Fish Farm. They were submitted to induced reproduction by the hypophysation method. Crude carp pituitary extract (Cyprinus carpio) was injected into the coelomic cavity in two doses (2.5 and 5.0 mg/kg) for males ...
DOI:
10.1111/jai.13837

3. Tag retention and survival of juvenile bighead carp implanted with a dummy acoustic tag at three temperatures

Author:
Curtis G. Byrd; Duane C. Chapman; Emily K. Pherigo; Jeffrey C. Jolley
Source:
Journal of applied ichthyology 2019 v.35 no.3 pp. 763-768
ISSN:
0175-8659
Subject:
Hypophthalmichthys molitrix; Hypophthalmichthys nobilis; acoustics; adults; aquatic ecosystems; carp; fish communities; indigenous species; invasive species; juveniles; swimming; telemetry; temperature; North America
Abstract:
... Bighead carp Hypophthalmichthys nobilis and silver carp Hypophthalmichthys molitrix (together, the bigheaded carps) are invasive fishes in North America that have resulted in substantial negative effects on native fish communities and aquatic ecosystems. Movement and behavior of adult bigheaded carps has been studied previously using telemetry, while similar studies with juvenile bigheaded carps h ...
DOI:
10.1111/jai.13841

4. Sperm quality of Colossoma macropomum after room‐temperature and cold storage

Author:
Luana Barbosa Pires; Eduardo Antonio Sanches; Elizabeth Romagosa; Ruy Alberto Caetano Corrêa Filho; Rosiane Araujo Rodrigues Nass; Nelson Mauricio Lopera‐Barrero; Jayme Aparecido Povh
Source:
Journal of applied ichthyology 2019 v.35 no.3 pp. 747-753
ISSN:
0175-8659
Subject:
Colossoma macropomum; ambient temperature; carp; cold; cold storage; computer software; cooling; males; reproduction; semen; sperm quality; syringes; tanks; viability; water temperature; Brazil
Abstract:
... The objective of this study was to evaluate the effects of cold and room‐temperature storage on the quality of Colossoma macropomum sperm. The experiment was carried out in December (end of Spring), in Nova Mutum‐MT, Brazil, involving nine C. macropomum males (4 years old; 6.4 ± 1.5 kg average weight). The fish were selected and transferred to masonry tanks (4 m³) in a laboratory (water renewal ra ...
DOI:
10.1111/jai.13864