REPRODUCTION OF THE XANTHID CRAB, LEPTODIUS EXARATUS(H. MILNE EDWARDS)
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چکیده
منابع مشابه
Reproductive biology of swimming crab, Charybdis hellerii (A. Milne-Edwards, 1867) in coastal waters of the Persian Gulf (Hormuzgan province)
This study was conducted to determine some aspects of reproductive biology of the Indo-Pacific swimming crab, Charybdis hellerii (A. Milne-Edwards, 1867) in coastal waters of the Persian Gulf (Hormozgan province) from June 2015 to May 2016. The results showed that the annual sex ratio is F: M=1:1.3, with 57.4 % males. All the five stages of ovarian development of C. hellerii were observed throu...
متن کاملNeuroendocrine regulation and pesticidal impact on freshwater crab, Barytelphusa guerini (H. Milne Edwards).
The extensive use of pesticides to control agricultural pests poses a serious threat to many non-target organisms of the aquatic environment such as the freshwater crab, B. guerini. The deleterious influence of the pesticide causes physiological, biochemical, histological and such other disorders in the animal exposed. In the present study impact of an organophosphate pesticide, monocrotophos a...
متن کاملThermal tolerance of crustacean larvae (zoea I) in two different populations of the kelp crab Taliepus dentatus (Milne-Edwards).
Studies of thermal tolerance in marine ectotherms are key in understanding climate effects on ecosystems; however, tolerance of their larval stages has rarely been analyzed. Larval stages are expected to be particularly sensitive. Thermal stress may affect their potential for dispersal and zoogeographical distribution. A mismatch between oxygen demand and the limited capacity of oxygen supply t...
متن کاملthe effects of temperature on survival, growth, life span and reproduction characteristics of phallocryptus spinosa milne edwards, 1980 (crustacea; anostraca)
the survival, growth, reproductive and life span characteristics of phallocryptus spinosa were studied at different temperatures in the laboratory. three replicates of 200 newly hatched nauplii were transferred to culture containers at 15, 20, 25 and 30˚c. the larvae were fed with unicellular algae dunaliella tertiolecta and chemically treated yeast known as lansy pz. survival and growth rate o...
متن کاملEffects of Food Deprivation on Enzymatic Activities of the Mediterranean Deep-sea Crab, Geryon Longipes A. Milne-edwards, 1882 and the Pacific Hydrothermal Vent Crab, Bythograea
Changes in enzymatic activities and protein content of leg muscle and hepatopancreas tissue of two deep-sea crabs were studied after 34 days of food deprivation. Geryon longipes and Bythograea thermydron are the most abundant deep-sea crab species in their respective environment. Geryon longipes dwells on the middle and lower slope of the northwestern Mediterranean Sea and has a bathymetric ran...
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ژورنال
عنوان ژورنال: Researches on Crustasea
سال: 1990
ISSN: 2433-0108
DOI: 10.18353/rcustacea.19.0_73