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  • Articles  (8)
  • Species  (8)
  • 1
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    Caspian brown trout (Salmo trutta caspius ) broodstock supply in south western of the Caspian Sea ( Guilan province ) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Caspian trout (Salmo trutta caspius ) is one of the migratory fish species which lives and feeds in the Caspian Sea .This species distributed in south and western of the Caspian Sea . In order to rehabilitation of the Caspian trout in western area, the operation of the project started from the beginning of the fishing season of the 20112012. Specimens of the Caspian trout obtained from beach seine cooperatives and have been transferred to the fish farm in Asalem region .Totally, 44 specimens of the Caspian trout has been caught in two month period .Most of the fishes was from Kargan roud river . The mean length and weight of the brood fishes were 67.7 cm and 3122.7 g respectively .As at present Shilat uses just the broods of the Tonekaboon region for restocking of this species ,we recommend to use the broods of the western region separately for rehabilitation of the stocks of this region .
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Caspian trout ; Salmo trutta caspius ; Broods ; Rehabilitation ; Broodstock ; Migratory fish ; Species ; Specimens
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 30pp.
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  • 2
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    Study of Parasites occurrence and intensity in fishes of Anzali Lagoon (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: Tish survey prolonged from summer 2011 trough summer 2012. During this period 574 samples of different fish species were investigated for their parasites. Totally 30 species of parasites isolated of the fishes. Some of the isolated parasites are recorded for the first time in Iran. Rafidascaris acus Orientocreadium siluri, Silurotaenia siluri, Acanthocephalus lucii , Argulus foliaceus has recorded for the first time from European catfish, Silurus glanis, and Dactylogyrus inexpectatus has recorded for the first time from Gibel Carp, Carassius auratus gibelio, in Anzali wetland. Statistical comparison of parasites infections and intensity between the different area of Anzali wetland were done. Infection of Pike, Esox lucius, to Diplostomum spathaceum, Raphidascaris acus and Monogenean in western parts of wetland were significantly different from the Eastern and Central areas (p〈0.05). So based on the data have concluded the eastern and central regions of the wetland are more polluted than the western part. Comparing the results of the present study with before ones showed that the composition of parasite species has been changed over time, while the prevalence, intensity and abundance of parasites have been increased. It may be due to changing environmental conditions such as increasing discharge of effluent, eutrophication of the wetland. This results accents to necessity of reconstruction of Anzali wetland with preference of eastern and central regions.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Parasites ; Fish ; Infection ; Intensity ; Survey ; Samples ; Species ; Rafidascarisacus ; Orientocreadium siluri ; Silurotaenia siluri ; Acanthocephalus lucii ; Argulus foliaceus ; Catfish ; Gibel carp
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 42pp.
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  • 3
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    Surveying the biology of Capoeta capoeta gracilis and it s distribution, the goal aquaculturize the species (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-05-19
    Description: This Research has been done monthly in Sefidroud river and its tributaries from Agust 2003 to July 2004 . From the total number of 2027 specimens of caught fish , 800 and 629 were males and females respectively , and 598 specimens were undistinguished. Samples were caught by cast nets. Fork length range of all specimen was 33-255 mm (119.56 ±46) and their weight rang was 0.42-257.5 gr (34.4 ±39.06) gr and their age range was 0-5 (1.76 ±0.959) year. The avrege of relative frequency in C.c.gracilis was 65.1 % . The average of condition factor was 1.07±0.13 . Between Fork length and weight of C.c.gracilis . Was exponential relation and coefficient of correlation was estimated 99.11% . Growth cofficient (k) was 0.114 ; L∞ was estimated 373.5 mm. C.c.g consumed of Chrysophyta phylum more than other Phytoplankton phyla in Sefidroud river and from Bentic point of view, consumed of clay, Filamentous algae detritus, insects, seeds. Absolute fecundity range was 1823-9274 (4553.8 ±2169.1) eggs. Considering the GSI and frequency percent of maturity stages, spawning period of the fish begins from April and peak of spawning is in June and terminates in July.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Biology ; Survey ; Capoeta capoeta gracilis ; Aquaculturize ; Species ; Specimens ; Males ; Females ; Fish ; Samples ; Weight ; C.c.gracilis ; Growth ; Chrysophyta phylum ; Phytoplankton phyla ; Filamentous algae detritus ; GSI ; Maturity ; Spawning
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 96pp.
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  • 4
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    Unknown
    Surveying the biology of Capoeta capoeta gracilis and it s distribution, the goal aquaculturize the species (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25150 | 18721 | 2018-08-26 16:58:21 | 25150 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: This Research has been done monthly in Sefidroud River and its tributaries from Agust 2003 to July 2004. From the total number of 2027 specimens of caught fish, 800 and 629 were males and females respectively, and 598 specimens were undistinguished. Samples were caught by cast nets. Fork length range of all specimen was 33-255 mm (119.56 ±46) and their weight rang was 0.42-257.5 gr (34.4 ±39.06) gr and their age range was 0-5 (1.76 ±0.959) year. The average of relative frequency in C.c.gracilis was 65.1 % . The average of condition factor was 1.07±0.13. Between Fork length and weight of C.c.gracilis. Was exponential relation and coefficient of correlation was estimated 99.11%. Growth cofficient (k) was 0.114 ; L_∞ was estimated 373.5 mm. C.c.g consumed of Chrysophyta phylum more than other Phytoplankton phyla in Sefidroud river and from Bentic point of view, consumed of clay, Filamentous algae detritus, insects, seeds. Absolute fecundity range was 1823-9274 (4553.8 ±2169.1) eggs. Considering the GSI and frequency percent of maturity stages, spawning period of the fish begins from April and peak of spawning is in June and terminates in July.
    Keywords: Biology ; Iran ; Sefidroud River ; Survey ; Capoeta capoeta gracilis ; Aquaculturize ; Species ; Specimens ; Males ; Females ; Fish ; Samples ; Weight ; C.c.gracilis ; Growth ; Chrysophyta phylum ; Phytoplankton phyla ; Filamentous algae detritus ; GSI ; Maturity ; Spawning
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 96
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  • 5
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    Unknown
    Study of parasites occurrence and intensity in fishes of Anzali Lagoon (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25636 | 18721 | 2018-10-07 17:03:45 | 25636 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Tish survey prolonged from summer 2011 trough summer 2012. During this period 574 samples of different fish species were investigated for their parasites. Totally 30 species of parasites isolated of the fishes. Some of the isolated parasites are recorded for the first time in Iran. Rafidascaris acus Orientocreadium siluri, Silurotaenia siluri, Acanthocephalus lucii , Argulus foliaceus has recorded for the first time from European catfish, Silurus glanis, and Dactylogyrus inexpectatus has recorded for the first time from Gibel Carp, Carassius auratus gibelio, in Anzali wetland. Statistical comparison of parasites infections and intensity between the different area of Anzali wetland were done. Infection of Pike, Esox lucius, to Diplostomum spathaceum, Raphidascaris acus and Monogenean in western parts of wetland were significantly different from the Eastern and Central areas (p〈0.05). So based on the data have concluded the eastern and central regions of the wetland are more polluted than the western part. Comparing the results of the present study with before ones showed that the composition of parasite species has been changed over time, while the prevalence, intensity and abundance of parasites have been increased. It may be due to changing environmental conditions such as increasing discharge of effluent, eutrophication of the wetland. This results accents to necessity of reconstruction of Anzali wetland with preference of eastern and central regions.
    Keywords: Health ; Iran ; Anzali Wetland ; Anzali Lagoon ; Parasites ; Fish ; Infection ; Intensity ; Survey ; Samples ; Species ; Rafidascarisacus ; Orientocreadium siluri ; Silurotaenia siluri ; Acanthocephalus lucii ; Argulus foliaceus ; Catfish ; Gibel carp
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 42
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  • 6
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    Feasibility study on Intensive polyculture of chainess and Indian carps in I.R.IRAN (Giulan province) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25354 | 18721 | 2018-09-13 13:02:58 | 25354 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: 500000 juvenile Indian majour carps (Labeo rohita,Cirhinus merigala, Catla catla) imported (2004) and transferred to the earthen ponds in Shahid Ansari Carp Breeding Center , In order to assess the viability of rearing under the climatic condition of north part of Iran and also achieve some growth parameters from the larval stage to market size.The fry with 300 mg weight, were released in to 8 ponds.specimens were separated to tree experimental categories: 1= (Labeo rohita) , 2= (Cirhinus merigala) , 3= (Catla catla). fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings. Also the average weight of growing phase (second year of production) was 647g. For Labeo rohita ,420 g. for Cirhinus merigala and 734g. For Catla catla. The special growth rate(SGR)in Roho was 4.51 %.and 3.9 % for merigal and6.2 % for Catla while for Chinees carps SGR was 4.9, 6.7, 7.6 and 5.8 for silver carp,grass carp, common carp and big head respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility were remind for further studies.
    Keywords: Aquaculture ; Iran ; Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Breeding ; Rearing ; Growth ; Larval stage ; Fry ; Artificial food ; Oxygen level ; pH ; Turbidity ; Temperature ; Species
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 65
    Location Call Number Expected Availability
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  • 7
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    Unknown
    Caspian brown trout (Salmo trutta caspius) broodstock supply in south western of the Caspian Sea (Guilan province) (2021)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    In:  http://aquaticcommons.org/id/eprint/25605 | 18721 | 2018-10-07 16:46:17 | 25605 | Iranian Fisheries Science Research Institute
    Details
    Publication Date: 2021-07-16
    Description: Caspian trout (Salmo trutta caspius ) is one of the migratory fish species which lives and feeds in the Caspian Sea .This species distributed in south and western of the Caspian Sea . In order to rehabilitation of the Caspian trout in western area, the operation of the project started from the beginning of the fishing season of the 20112012. Specimens of the Caspian trout obtained from beach seine cooperatives and have been transferred to the fish farm in Asalem region .Totally, 44 specimens of the Caspian trout has been caught in two month period .Most of the fishes was from Kargan roud river . The mean length and weight of the brood fishes were 67.7 cm and 3122.7 g respectively .As at present Shilat uses just the broods of the Tonekaboon region for restocking of this species ,we recommend to use the broods of the western region separately for rehabilitation of the stocks of this region .
    Keywords: Aquaculture ; Iran ; Caspian Sea ; Guilan Province ; Karganroud river ; Caspian trout ; Salmo trutta caspius ; Broods ; Rehabilitation ; Broodstock ; Migratory fish ; Species ; Specimens
    Repository Name: AquaDocs
    Type: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 30
    Location Call Number Expected Availability
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  • 8
    facet.materialart.
    Unknown
    Feasibility study on Intensive polyculture of chainess and Indian carps in I.R.IRAN (Giulan province) (2018)
    Iranian Fisheries Science Research Institute | Tehran, Iran
    Details
    Publication Date: 2021-12-05
    Description: 500000 juvenile Indian majour carps (Labeo rohita,Cirhinus merigala, Catla catla) imported (2004) and transferred to the earthen ponds in Shahid Ansari Carp Breeding Center , In order to assess the viability of rearing under the climatic condition of north part of Iran and also achieve some growth parameters from the larval stage to market size.The fry with 300 mg weight, were released in to 8 ponds.specimens were separated to tree experimental categories: 1= (Labeo rohita) , 2= (Cirhinus merigala) , 3= (Catla catla). fishes were fed with artificial food and also with the natural products of the ponds which were enriched with organic fertilizers, after being equally stocked in the ponds .During the experiment, oxygen level ,PH, turbidity, and temperature were measured . Monthly fry samples were taken, for weight and length biometrical analysis and also determination of the weight gain percentage, average daily growth rate, specific growth rate. Results have indicated adaptations and considerable growth in this species, with an increase from the initial weight of 300 mg to an average of 13.5±1.6 mg in 50 days period until the end of November for fingerlings. Also the average weight of growing phase (second year of production) was 647g. For Labeo rohita ,420 g. for Cirhinus merigala and 734g. For Catla catla. The special growth rate(SGR)in Roho was 4.51 %.and 3.9 % for merigal and6.2 % for Catla while for Chinees carps SGR was 4.9, 6.7, 7.6 and 5.8 for silver carp,grass carp, common carp and big head respectively. Results revealed that the Indian majour carps compatibility with the condition in Gilan province was succesfull and the combination of species and optimization of their compatibility were remind for further studies.
    Description: Iranian Fisheries Science Research Institute
    Description: Published
    Keywords: Indian carp ; Growth ; Labeo Rohita ; Cirhinus merigala ; Catla catla ; Juvenile ; Breeding ; Rearing ; Growth ; Larval stage ; Fry ; Artificial food ; Oxygen level ; pH ; Turbidity ; Temperature ; Species
    Repository Name: AquaDocs
    Type: Report , Refereed
    Format: 65pp.
    Location Call Number Expected Availability
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