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You searched for: Journal Journal of applied ichthyology Remove constraint Journal: Journal of applied ichthyology Subject captive animals Remove constraint Subject: captive animals
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1. Conservation and collection efforts for the endangered Alabama sturgeon (Scaphirhynchus suttkusi)

Author:
Rider, S.J.; Hartfield, P.
Source:
Journal of applied ichthyology 2007 v.23 no.4 pp. 489-493
ISSN:
0175-8659
Subject:
freshwater fisheries; endangered species; rivers; captive animals; conservation programs; Scaphirhynchus; sturgeon; mortality; wildlife; Alabama
Abstract:
... The Alabama sturgeon (Scaphirhynchus suttkusi) is the rarest and most endangered sturgeon species in North America. Over an 8-year period, the Alabama Division of Wildlife and Freshwater Fisheries, U.S. Army Corps of Engineers, and U.S. Fish and Wildlife Service cumulatively expended 2447 man-days in efforts to collect Alabama sturgeon broodstock in an attempt to initiate a conservation propagatio ...
DOI:
10.1111/j.1439-0426.2007.00876.x

2. Cellular damage in spermatozoa from wild-captured Solea senegalensis as detected by two different assays: comet analysis and Annexin V-Fluorescein staining

Author:
Beirão, J.; Cabrita, E.; Soares, F.; Herráez, M.P.; Dinis, M.T.
Source:
Journal of applied ichthyology 2008 v.24 no.4 pp. 508-513
ISSN:
0175-8659
Subject:
DNA; DNA fragmentation; Solea senegalensis; apoptosis; aquaculture; captive animals; gel electrophoresis; males; markets; reproduction; spermatozoa; surveys
Abstract:
... Improved sperm analysis in Senegalese sole (Solea senegalensis) males could provide some clues to reproduction constraints that have been restricting the introduction of this species in the aquaculture market. More accurate methodologies such as sperm membrane and DNA stability surveying might help overcome this problem. In this study spermatozoon cells were analysed in thirteen individual samples ...
DOI:
10.1111/j.1439-0426.2008.01144.x

3. Early development stages of the catfish Lophiosilurus alexandri Steindachner, 1877 (Pisces: Pseudopimelodidae) from the São Francisco River basin, Brazil

Author:
Guimarães-Cruz, R.J.; Santos, J.E.; Sato, Y.; Veloso-Júnior, V.C.
Source:
Journal of applied ichthyology 2009 v.25 no.3 pp. 321-327
ISSN:
0175-8659
Subject:
Myliobatiformes; captive animals; catfish; chondrogenesis; early development; esophagus; eyes; fins; intestines; larvae; mouth; mucosa; pigmentation; stomach; taxonomy; watersheds; yolk sac; Brazil
Abstract:
... Lophiosilurus alexandri reproduces in captivity, has a high commercial value in Brazil and carries great potential for aquaculture. Research was carried out on L. alexandri larvae from days 1 to 30 post-hatch (DPH). Based on descriptions in the literature four developmental stages were observed using anatomic, histological and statistical techniques to provide useful data for the taxonomy, aquacul ...
DOI:
10.1111/j.1439-0426.2008.01153.x

4. Assessing CITES non-detriment findings procedures for Arapaima in Brazil

Author:
Castello, L.; Stewart, D.J.
Source:
Journal of applied ichthyology 2010 v.26 no.1 pp. 49-56
ISSN:
0175-8659
Subject:
Arapaima; Convention on International Trade in Endangered Species; attitudes and opinions; captive animals; fauna; fish; floodplains; flora; geographical distribution; habitats; harvesting; international trade; laws and regulations; monitoring; overfishing; spawning; taxonomy; Brazil
Abstract:
... Arapaima are listed as endangered fishes according to the Convention on International Trade of Endangered Species of Wild Fauna and Flora (CITES), thus their international trade is regulated by non-detriment finding (NDF) procedures. The authors critically assessed Brazil's regulations for NDF procedures for Arapaima using IUCN's checklist for making NDFs, and found that those regulations cannot e ...
DOI:
10.1111/j.1439-0426.2009.01355.x

5. Assessment of egg quality and realised fecundity of whiting Merlangius merlangus L. in captivity

Author:
Treasurer, J.; Ford, L.
Source:
Journal of applied ichthyology 2010 v.26 no.4 pp. 554-560
ISSN:
0175-8659
Subject:
equations; fecundity; Merlangius merlangus; wild fish; spawning; egg weight; captive animals; hatching; egg production; tanks; whiting; temperature; eggs; fisheries; females
Abstract:
... Potential predictors of egg quality were assessed in whiting Merlangius merlangus L. permitted to spawn in a tank from which eggs were collected. These included fertilisation rate, the proportion of viable buoyant eggs, egg diameter, and egg wet and dry weights; all were influenced by temporal effects and were negatively correlated with days from start of spawning. The spawning period was protract ...
DOI:
10.1111/j.1439-0426.2010.01470.x

6. Cryopreservation of fish sperm: applications and perspectives

Author:
Cabrita, E.; Sarasquete, C.; Martínez-Páramo, S.; Robles, V.; Beirão, J.; Pérez-Cerezales, S.; Herráez, M.P.
Source:
Journal of applied ichthyology 2010 v.26 no.5 pp. 623-635
ISSN:
0175-8659
Subject:
fish farms; DNA damage; enzymes; lipid peroxidation; lipids; freshwater fish; vitamins; biomedical research; gel electrophoresis; sturgeon; oxidative stress; marine fish; amino compounds; DNA; carp; amino acids; oxidation; spermatozoa; embryogenesis; conservation programs; seminal plasma; genetic resources; fish culture; proteins; DNA fragmentation; cryopreservation; biotechnology; nutrition; captive animals; nucleotide sequences
Abstract:
... Cryopreservation is of interest not only for fish farming but also for the conservation and genetic improvement of resources. This technique has been well established in some freshwater fish species mainly, salmonid, sturgeons and carps, however, only in the last decade research was focused in marine fish species. The benefits of sperm cryopreservation include: (i) synchronization of gamete availa ...
DOI:
10.1111/j.1439-0426.2010.01556.x

7. Reproductive status in females of the Brazilian catfish, Pseudoplatystoma fasciatum reared in cages

Author:
Romagosa, E.
Source:
Journal of applied ichthyology 2010 v.26 no.5 pp. 806-811
ISSN:
0175-8659
Subject:
cell growth; animal morphology; developmental stages; cell differentiation; ovulation; ponds; breeds; water temperature; females; vitellogenesis; weight; sampling; cage culture; histology; oocytes; fish culture; fish cages; rearing; spawning; captive animals; catfish; Brazil
Abstract:
... The distinctive morphological features of the ovaries the 'cachara', Pseudoplatystoma fasciatum were characterized macroscopically, and by histology, when reared in cages, from March 2005 to February 2006. Forty eight females (mean total weight = 2.7 kg, mean standard length = 65.1 cm) were allocated to four cages of 2.7 m³ (20 fish/cage) which were installed in four 600 m² ponds, located at the I ...
DOI:
10.1111/j.1439-0426.2010.01532.x

8. Report on first time reproductive success from full life-cycle culture of Kaluga sturgeon females (Huso dauricus)

Author:
Li, W.; Shi, Z.; Wang, Y.; Liu, J.; Qiu, S.; Lu, H.; Han, J.
Source:
Journal of applied ichthyology 2011 v.27 no.2 pp. 550-553
ISSN:
0175-8659
Subject:
Huso; biomass; body weight; captive animals; eggs; fecundity; females; gonads; hatching; hormones; jars; males; milt; oocytes; sturgeon; water temperature
Abstract:
... Ten females of Kaluga sturgeon (Huso dauricus; 73.8 ± 6.49 kg, total length 204.5 ± 12.8 cm) matured for the first time after a full life-cycle in captivity. Absolute gonad biomass was 8.4 ± 1.3 kg per female and relative fecundity 11.2 ± 1.6%, at maturation stage IV. These fish were induced to spawn by injection of hormone LHRH-A2 at a dosage of 10 μg kg⁻¹. Male Kaluga was injected one time at 5 ...
DOI:
10.1111/j.1439-0426.2011.01737.x

9. Characterization of hematological parameters and blood cells of cultured Gymnocypris eckloni Herzenstein, 1891

Author:
Y. Tang; X. Peng; J. Fang; H.‐M. Cui; Z.‐C. Zuo; J.‐L. Deng
Source:
Journal of applied ichthyology 2015 v.31 no.5 pp. 931-936
ISSN:
0175-8659
Subject:
Gymnocypris; anticoagulants; blood platelets; captive animals; carp; crude protein; cultured cells; dissolved oxygen; eosinophils; erythrocytes; farmed fish; females; foods; health status; hematologic tests; hemoglobin; heparin; lymphocytes; males; maturity stage; microstructure; monocytes; neutrophils; pH; rearing; stocking rate; tanks; temperature
Abstract:
... The objective of the study was to obtain baseline data on haematological parameters, blood cell sizes and morphology in cultured male and female Gymnocypris eckloni Herzenstein, 1891. Forty‐eight healthy 3‐year‐old G. eckloni (26 males: 525.79 ± 48.56 g weight, 34.51 ± 1.88 cm total length; 22 females: 507.60 ± 54.48 g weight, 33.97 ± 1.84 cm total length) were used for this study. Both male and f ...
DOI:
10.1111/jai.12798

10. Growth, survival and the histology of the digestive tract of juvenile Osteoglossum bicirrhosum (Cuvier, 1829) fed three diets containing different protein and lipid levels

Author:
M. J. Darias; M. A. Gómez; S. Tello; E. Gisbert
Source:
Journal of applied ichthyology 2015 v.31 Suppl S4 no. pp. 67-73
ISSN:
0175-8659
Subject:
Osteoglossum bicirrhosum; captive animals; condition factor; diet; digestive tract; droplets; fish; growth performance; histology; intestines; juveniles; liver; metabolism; nutrient content; protein content; rearing; specific growth rate; vacuoles
Abstract:
... The influence of three commercial diets with different protein and lipid contents (40 : 14, 45 : 8, 48 : 8 protein : lipid – P : L, in % dry weight of diet) on growth performance, survival and the histology of the liver and intestine was analysed in early juveniles of silver arowana, Osteoglossum bicirrhosum, reared in captivity. Individuals (initial wet weight–Wᵢ = 1.07 ± 0.04 g; total length–TL  ...
DOI:
10.1111/jai.12977

11. Ionregulation in juvenile swordspine snook (Centropomus ensiferus, Poey, 1860) in relation to environmental salinity

Author:
J. Suárez‐Bautista; A. Rodríguez‐Forero
Source:
Journal of applied ichthyology 2015 v.31 no.5 pp. 900-904
ISSN:
0175-8659
Subject:
Centropomus; ammonia; aquariums; captive animals; chlorides; condition factor; farmed fish; growth performance; juveniles; oxygen; potassium; pumps; rearing; salinity; satiety; sodium; specific growth rate; survival rate; tanks; visceral fat; water quality
Abstract:
... Ninety‐nine swordspine snook Centropomus ensiferus (9.80 ± 0.3 g, mean ± SE) were studied in order to evaluate the influence of salinity on physiological properties under rearing conditions. Growth performance, survival rates, and ion concentrations (Na⁺, K⁺, Cl⁻) as well proximal composition were measured over 76 days. Fish were exposed to three experimental salinities (0, 10, 20‰, three replicat ...
DOI:
10.1111/jai.12796

12. Maladaptive behavioural phenotypes in captive‐reared darters (Etheostoma caeruleum, Storer 1845)

Author:
A. L. Crane; M. J. Lampe; A. Mathis
Source:
Journal of applied ichthyology 2015 v.31 no.4 pp. 787-792
ISSN:
0175-8659
Subject:
Etheostoma; antipredatory behavior; captive animals; diet; foraging; motivation; phenotype; risk
Abstract:
... The foraging and anti‐predator behaviour of captive‐reared rainbow darters (Etheostoma caeruleum) was compared to their wild‐caught counterparts. Wild‐caught darters responded with appropriate anti‐predator behaviour (reduced foraging activity) when exposed to alarm cues (e.g. stimuli from damaged skin) from both wild‐caught and captive‐reared darters, indicating that the diet in captivity did not ...
DOI:
10.1111/jai.12769

13. Oogenesis of bester hybrids (female Huso huso (Linnaeus, 1758) × male Acipenser ruthenus (Linnaeus, 1758) during the inter‐spawning period while cultured in a recycling system

Author:
S. V. Piyanova; O. P. Filippova; S. E. Zuevskiy
Source:
Journal of applied ichthyology 2015 v.31 Suppl s2 no. pp. 64-70
ISSN:
0175-8659
Subject:
Acipenser ruthenus; Huso huso; captive animals; eggs; females; histology; hybrids; males; oocytes; oogenesis; recirculating aquaculture systems; sturgeon; temperature
Abstract:
... The study aims were to determine the dynamic changes in oocyte characteristics in the ovaries of two hybrids of beluga and sterlet under controlled conditions. The study was carried out between 2010 and 2012, with fish approaching their maturation period in captivity. Duration of the inter‐spawning period lasted from 10 to 12 months for the two hybrids raised at temperatures of 20–21°C. The oocyte ...
DOI:
10.1111/jai.12897

14. Sperm production of Steidachneridion parahybae (Steindachner 1877) and the effect of hormonal induction throughout one reproductive cycle

Author:
D. Caneppele; E. A. Sanches; E. Romagosa
Source:
Journal of applied ichthyology 2015 v.31 Suppl S1 no. pp. 54-61
ISSN:
0175-8659
Subject:
captive animals; carp; osmolality; pH; seminal plasma; sperm concentration; sperm motility; spermatozoa; water temperature
Abstract:
... The present study assessed the semen production and spermatozoa characteristics of Steidachneridion parahybae throughout one reproductive cycle in captivity and the effect of the induction of maturity with carp pituitary extract (CPE). Hence, six semen samples were collected from 26 specimens of S. parahybae. The samples were divided into two groups (non‐induced and induced) and tested between Oct ...
DOI:
10.1111/jai.12732

15. Ovarian development and changes in the expression of pituitary gonadotropin subunits during the reproductive cycle of female Malaysian river catfish, Hemibagrus nemurus (Valenciennes, 1840), in captivity

Author:
Z. Zulperi; A. Christianus; F. M. Yusoff; S. A. Harmin; M. Y. Ina‐Salwany
Source:
Journal of applied ichthyology 2017 v.33 no.3 pp. 429-436
ISSN:
0175-8659
Subject:
Hemibagrus; captive animals; catfish; females; follicle-stimulating hormone; gene expression; genes; gonads; luteinizing hormone; messenger RNA; oocytes; ovarian development; ovulation; quantitative polymerase chain reaction; rivers; spawning; vitellogenesis
Abstract:
... Determining the expression level of genes encoding the subunit gonadotropic hormones is critical in understanding the reproductive cycle and gonadal development in fish species. The objectives of this study were to monitor changes in the mRNA expression of three gonadotropin (GtH) subunits (α, FSHβ, and LHβ) during gonadal development of the female Malaysian river catfish, Hemibagrus nemurus, in c ...
DOI:
10.1111/jai.13267

16. Survival, growth and physiological responses of juvenile Japanese flounder (Paralichthys olivaceus, Temminck & Schlegel, 1846) exposed to different dissolved oxygen concentrations and stocking densities

Author:
H.‐Y. Guo; X.‐Y. Dong; X.‐M. Zhang; P.‐D. Zhang; W.‐T. Li
Source:
Journal of applied ichthyology 2017 v.33 no.4 pp. 731-739
ISSN:
0175-8659
Subject:
Paralichthys olivaceus; body weight; captive animals; dissolved oxygen; enzyme activity; erythrocytes; feed conversion; feed intake; flounder; growth performance; hemoglobin; juveniles; oxygen; physiological response; proteinases; rearing; specific growth rate; stocking rate; superoxide dismutase; tanks
Abstract:
... The aim of this study was to determine to what extent juvenile Japanese flounder can adapt to different stocking densities in captivity and to examine whether growth and some physiological parameters critical for welfare might be affected by different dissolved oxygen levels. Japanese flounder (Paralichthys olivaceus) juveniles (initial weight 1.27 ± 0.04 g/fish) were reared at five stocking densi ...
DOI:
10.1111/jai.13369

17. Early development and Juvenile Culture Technique of Speckled Flounder, Paralichthys woolmani (Jordan & Williams, 1897) under ambient seawater

Author:
M. Bohórquez‐Cruz; S. Rodríguez; S. Sonnenholzner; W. Argüello‐Guevara
Source:
Journal of applied ichthyology 2018 v.34 no.3 pp. 610-616
ISSN:
0175-8659
Subject:
Paralichthys; body weight; breeding stock; captive animals; coastal water; diet; early development; ectoparasites; eggs; eyes; fish culture; flounder; juveniles; larvae; pigmentation; seawater
Abstract:
... The speckled flounder Paralichthys woolmani is a flatfish species found in Ecuadorian coastal waters, consumed by local coastal communities and likely an excellent candidate for aquaculture production in indoor facilities. This study describes the early development and culture technique of P. woolmani under experimental conditions. Broodstocks were obtained from the wild and kept under laboratory ...
DOI:
10.1111/jai.13624

18. 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

19. Characterization of the initial ontogeny of Leiarius marmoratus (GILL, 1870): larvae to juvenile

Author:
Geovanna Carla Zacheo Coelho; Raphael da Silva Costa; Cristiane Bashiyo‐Silva; Fabrício Marçal Silva de Souza; Douglas de Castro Ribeiro; José Augusto Senhorini; Rosicleire Verissimo‐Silveira; Alexandre Ninhaus‐Silveira
Source:
Journal of applied ichthyology 2019 v.35 no.3 pp. 719-727
ISSN:
0175-8659
Subject:
Leiarius marmoratus; captive animals; chromatophores; fins; fish culture; hatching; head; juveniles; larvae; ontogeny; pigmentation; yolk sac; youth; Brazil
Abstract:
... Aiming to provide data on the biology of Leiarius marmoratus, which will aid in its production in captivity, as well as in studies for its preservation in the environment, this work had as objectives: analyze and describe main morphological alterations during larval ontogeny of the species. We analyzed 205 individuals, obtained by induced reproduction (Colpani Pisciculture) and kept in CEPTA/ICMBI ...
DOI:
10.1111/jai.13830

20. Embryonic development of the endangered Caspian brown trout, Salmo trutta caspius (Kessler, 1877)

Author:
Babak Najafpour; Salar Dorafshan; Fatemeh Paykan Heyrati; Deborah M. Power
Source:
Journal of applied ichthyology 2019 v.35 no.2 pp. 473-479
ISSN:
0175-8659
Subject:
Salmo trutta; aquaculture; blastoderm; breeding stock; captive animals; early development; economic valuation; embryogenesis; endangered species; eyes; heat sums; larvae
Abstract:
... The Caspian brown trout, Salmo trutta caspius is an endangered species of economic value and better knowledge of its biology will contribute to conservation measures. In the present study we characterized its early development to identify critical embryonic stages, by observing embryos and larvae from a broodstock maintained in captivity incubated at 9 ± 1°C. Morphological analysis of landmark sta ...
DOI:
10.1111/jai.13874

21. Using gravel for environmental enrichment in salmonid hatcheries: The effect of gravel size during egg incubation, endogenous and first feeding in rainbow trout

Author:
Stefan Reiser; Dominique Marie Pohlmann; Udo Koops; Joachim Paul Gröger; Ulfert Focken
Source:
Journal of applied ichthyology 2019 v.35 no.2 pp. 465-472
ISSN:
0175-8659
Subject:
Oncorhynchus mykiss; animal welfare; captive animals; egg incubation; eggs; environmental enrichment; fingerlings; fungi; gravel; hatcheries; larvae; models; mortality; rearing
Abstract:
... Environmental enrichment aims for a deliberate increase in structural complexity in otherwise plain rearing units, helping to reduce aberrant traits and promote welfare of fish kept in captivity. Before putting enrichment protocols into practice, however, practitioners like hatchery managers need clear guidelines on enrichment measures and on the substrates used. In the present study, we used rain ...
DOI:
10.1111/jai.13884

22. Comparative post‐hatching ontogeny of Pseudoplatystoma reticulatum (Eigenmann & Eigenmann 1889) and Leiarius marmoratus (Gill, 1870) and their hybrid

Author:
Geovanna Carla Zacheo Coelho; Raphael da Silva Costa; Fábio Porto‐Foresti; Rosicleire Verissimo‐Silveira; Alexandre Ninhaus‐Silveira
Source:
Journal of applied ichthyology 2021 v.37 no.3 pp. 449-461
ISSN:
0175-8659
Subject:
Leiarius marmoratus; Pseudoplatystoma reticulatum; captive animals; chromatophores; hybrids; ichthyology; juveniles; larval development; life history; morphometry; ontogeny; yolk sac
Abstract:
... Ontogenetic studies of the eggs and larvae of fish can provide information on the initial life history and biology of a species, are important for taxonomic and evolutionary studies, and for cultivation in captivity. The aim of this study was to analyze and describe the main morphological differences in the larval ontogeny of Pseudoplatystoma reticulatum, Leiarius marmoratus, and its hybrid (♀ P. ...
DOI:
10.1111/jai.14182