The Influence of Different Water Temperatures on Reproduction of Gambusia Holbrooki ( Girard , 1859 ) during Quiescence and Active Spawning Season = تأثير درجات الحرارة على تكاثر أسماك الجمبوزيا أثناء مرحلتي الكمون و النشاط الجنسي

2015 ◽  
Vol 11 (1) ◽  
pp. 27-35
Author(s):  
K. F. El-Boray
Keyword(s):  
Spawning Season ◽  
Gambusia Holbrooki

Annotated сhecklist of the freshwater fishes of Iran

2010 ◽  
Vol 19 (2) ◽  
pp. 361-386 ◽  
Author(s):  
H.R. Esmaeili ◽  
B.W. Coad ◽  
A. Gholamifard ◽  
N. Nazari ◽  
A. Teimory
Keyword(s):  
New Species ◽  
Exotic Species ◽  
Endemic Species ◽  
Freshwater Fishes ◽  
Gambusia Holbrooki

The confirmed freshwater fishes of Iran comprise 202 species in 104 genera, 28 families, 17 orders and 3 classes found in 19 different basins. There are also 23 species whose presence in Iranian waters needs confirmation by specimens. The most diverse order is the Cypriniformes with 120 confirmed species (59.4%) followed by Perciformes with 28 species (13.9%), Cyprinodontiformes (10 species, 5.0%), Clupeiformes (9 species, 4.5%), Salmoniformes (7 species, 3.5%), Mugiliformes and Siluriformes each with 6 species (3.0%), Acipenseriformes (5 species, 2.5%), Gasterosteiformes (3 species, 1.5%), and 8 other orders each with one species (0.5%). New species are still being discovered, 7 described in 2009, while others are being resurrected from synonymy, newly recorded from Iran, or exotic species newly established. Some taxonomic problems remain and are commented on briefly. Thirty-nine endemic species (19.3%) in 6 families and 23 exotic species (11.4%) in 8 families are listed here. The mosquitofish, Gambusia holbrooki Girard, 1859 is the most widespread exotic species.

Oxygen stress and reproduction do not impede aerobic performance in adult eastern mosquitofish (Gambusia holbrooki)

2021 ◽  
Vol 104 (2) ◽  
pp. 143-154
Author(s):  
Thomas J. Callaghan ◽  
Craig R. White ◽  
Mischa P. Turschwell
Keyword(s):  
Aerobic Performance ◽  
Gambusia Holbrooki ◽  
Oxygen Stress ◽  
Eastern Mosquitofish

Life history pattern of mosquitofish Gambusia holbrooki (Girard, 1859) in the Tajan River (Southern Caspian Sea to Iran)

2011 ◽  
Vol 29 (1) ◽  
pp. 167-173 ◽  
Author(s):  
Rahman Patimar ◽  
Mohsen Ghorbani ◽  
Ali Gol-Mohammadi ◽  
Hoda Azimi-Glugahi
Keyword(s):  
Life History ◽  
Caspian Sea ◽  
Gambusia Holbrooki ◽  
Tajan River ◽  
Life History Pattern ◽  
Southern Caspian Sea

scholarly journals Morphometric Relationship, Growth, and Condition Factor of Flyingfish, Hirundicththys oxycephalus during spawning season

2017 ◽  
Vol 89 ◽  
pp. 012001 ◽  
Author(s):  
Friesland Tuapetel ◽  
Natsir Nessa ◽  
Syamsu Alam Ali ◽  
Sudirman ◽  
B.G. Hutubessy ◽  
...  
Keyword(s):  
Condition Factor ◽  
Spawning Season

scholarly journals Spawning Season and Area of the Oceanic Type Chilean Jack Mackerel in the Southeastern Pacific.

1997 ◽  
Vol 63 (3) ◽  
pp. 326-332 ◽  
Author(s):  
Michinori Kuroiwa
Keyword(s):  
Spawning Season ◽  
Jack Mackerel ◽  
Southeastern Pacific

Differential expression of three types of gonadotropin-releasing hormone genes during the spawning season in grass puffer, Takifugu niphobles

2010 ◽  
Vol 167 (1) ◽  
pp. 153-163 ◽  
Author(s):  
Md. Shahjahan ◽  
Tomoko Hamabata ◽  
Eiji Motohashi ◽  
Hiroyuki Doi ◽  
Hironori Ando
Keyword(s):  
Differential Expression ◽  
Gonadotropin Releasing Hormone ◽  
Spawning Season ◽  
Releasing Hormone

Size–Maturity Relationships and Related Observations in Newfoundland Populations of the Lobster (Homarus americanus)

1980 ◽  
Vol 37 (6) ◽  
pp. 945-956 ◽  
Author(s):  
G. P. Ennis
Keyword(s):  
Carapace Length ◽  
Size Range ◽  
Sex Ratios ◽  
Weight Ratio ◽  
Homarus Americanus ◽  
Spawning Season ◽  
Length Ratio ◽  
Maturity Indices

Female maturity ogives for five Newfoundland populations of the lobster (Homarus americanus) gave 50% maturities ranging from 71- to 76-mm carapace length. Sizes at which distinct inflections (indicating onset of maturity) and asymptotes (indicating 100% mature) are present in the abdomen width/carapace length ratio vs. carapace length relationships coincide with the smallest ovigerous and largest immature specimens, respectively, observed in those particular samples. Inflection in the crusher claw weight/whole weight ratio vs. carapace length relationships (used in this paper to indicate onset of maturity in males) occurred at larger sizes than inflections in the abdomen width/carapace length ratios of females.The percentage of nonovigerous females that spawn in a given year generally increases with increasing size. The highest percentage of nonovigerous females tagged with sphyrion tags prior to the spawning season that were ovigerous when recaptured 10–12 mo later was 83.8%. The percentage of ovigerous females with new shells (i.e. molted and spawned in same year) varied between areas and years and ranged from 0 to 38.5% of the total number of ovigerous females in fall samples. The percentage of ovigerous females in samples also varied between areas and years and ranged from 2.6 to 30.4% of the total number of females greater than the size at 50% maturity. In general a greater percentage of females was ovigerous at sizes between the size at 50% maturity and 80 mm (largest subcommercial size) than at commercial sizes.In a sample of nonovigerous females, the size range at which 50% were fertilized (76–80 mm) coincided closely with the size at 50% maturity (75 mm) for the area.At subcommercial sizes (< 81 mm) the sexes were approximately equally represented in fall trap-caught samples but females heavily outnumbered males in diver-caught samples taken over the same period. At commercial sizes, however, males heavily outnumbered females in the trap-caught samples while in diver-caught samples the sexes were equally represented.Key words: lobster (Homarus americanus), maturity ogives, maturity indices, percent ovigerous, sex ratios

Life History Changes in Eastern Mosquitofish (Gambusia holbrooki) Induced by Thermal Elevation

1991 ◽  
Vol 48 (1) ◽  
pp. 60-66 ◽  
Author(s):  
Gary K. Meffe
Keyword(s):  
South Carolina ◽  
Life History ◽  
Nuclear Reactor ◽  
Natural Populations ◽  
Life History Evolution ◽  
Gambusia Holbrooki ◽  
Genetic Changes ◽  
Thermal Death ◽  
Reproductive Biomass ◽  
Eastern Mosquitofish

Much light can be shed on life history evolution through study of responses of organisms to chronic exposure to a novel or perturbed environment. To determine the influence of 28 yr of temporally unpredictable thermal elevation on their life history patterns, I sampled eastern mosquitofish (Gambusia holbrooki) from a thermally elevated (outflow from a nuclear reactor) and an ambient (farm pond) habitat in South Carolina every month for 2 yr. Fish from the artificially heated environment reproduced all year, had higher reproductive investments (higher clutch sizes and reproductive biomass), and smaller offspring than did fish from the ambient environment, which ceased reproduction from October through March, typical for natural populations of the region. Likely environmental factors responsible for these differences include unpredictable food resources, higher mortality from thermal death, and higher predation by fishes and birds in the heated waters. The extent to which these life history alterations are the result of adaptive genetic changes versus phenotypically plastic responses remains to be tested.

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