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Paper Information

Journal:   JOURNAL OF ANIMAL RESEARCH (IRANIAN JOURNAL OF BIOLOGY)   SPRING 2014 , Volume 27 , Number 1; Page(s) 106 To 118.
 
Paper: 

NESTING AND REPRODUCTIVE BEHAVIORS OF APHANIUS VLADYKOI, COAD 1988 IN LAKE CHOGHAKHOR HABITAT, CHAHARMAHAL-O-BAKHTYRI PROVINCE, IRAN

 
 
Author(s):  FATTOLLAHI M.*
 
* AQUACULTURE DEPT., NATURAL RESOURCES AND EARTH SCIENCES FACULTY, SHAHR E KORD UNIVERSITY, SHAHR E KORD, I.R. OF IRAN
 
Abstract: 

Among 7 species of genus Aphanius of Iran, the limited inland water habitats of Aphanius vladykovi have suffered severe deterioration caused by natural periodical drought, pollution and local drainage. We conducted a study in reproductive behavior on the Lake Choghakhor littoral waters with gavel bottom and separately aquatic vegetation to explain the nesting and reproductive success such as the male aggression, copulation behavior, parental cares. In general, parental care activity of A. vladykovi was not previously reported for the variable environments and did not follow conventional stage-specific patterns. We divided the reproduction season in to three reproduction periods (April-June 10, June 10-July 20, July 20-winter). During the early reproduction period, A. vladykovi showed situational constancy in the initial selected plant nest (55±1.1 cm., depth and 555±18.8 cm. from the shore) and continued produce free swimming fry, however the initial nests were located to new situation ( with 40±1.2 cm., depth and 190±12.2 cm. from shore) because of the seasonal drought. Unstable environments provided some challenges to A. vladykovi in the lake that provided parental cares. Water changes (demand for water) played a critical role in the reproductive ecology of A. vladykovi, affecting factors such as spatial situation and vegetation of the occupied nests, offspring distribution and health of the broods against ectoparasite Argulus spp.

 
Keyword(s): APHANIUS VLADYKOVI, LAKE CHOGHAKHOR, CHAHARMAHAL-O-BAKHTYRI, IRAN
 
References: 
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