Fecundity, Embryonic and Ovarian Development of Blue Swimming Crab, Portunus pelagicus (Linnaeus, 1758) in Coastal Water of Johor, Malaysia
نویسندگان
چکیده
منابع مشابه
Mercury Concentration in Tissues of Blue Swimming Crab, Portunus pelagicus (Linnaeus, 1758) and Sediments from Persian Gulf Coasts, Iran
Persian Gulf supports diverse ecosystems and biota in need of remediation and protection and metal data from this region is needed. The levels of mercury in tissues of blue swimming crab, Portunus pelagicus and sediments from the Persian Gulf coasts, south Iran were investigated. Mercury analysis was performed by Atomic Absorption Spectrophotometer. The distribution pattern of mercury in the ti...
متن کاملStock Assessment and Reproductive Biology of the Blue Swimming Crab, Portunus pelagicus in Bandar Abbas Coastal Waters, Northern Persian Gulf
Stock assessment and reproductive biology of the blue swimming crab, Portunus pelagicus, in Bandar Abbas coastal waters was conducted from August 2006 to July 2007. A total of 424 male and 348 female crabs were taken to the laboratory for length, weight and reproductive biometry. Estimate of growth parameter of crab showed t asymptotic carapace width (CW) was 172.5 mm, the curvature parameter, ...
متن کاملmorphometric characteristics of the blue swimming crab, portunus pelagicus (linnaeus, 1758) from the persian gulf, bandar abbas, iran
in this study, some external morphometric characters viz. carapace width (cw) and length (cl), chelar propodus width (chw) and length (chl) and abdominal width (aw) and also body weight (bw) of the blue swimming crab, portunus pelagicus (linnaeus, 1758), were examined. relative growth and regression slope compared among these parameters between 151 males and 158 females. specimens were collecte...
متن کاملThe Distribution of the Barnacle Epizoites, Chelonibita patula (Ranzani) on Blue Swimmer Crab, Portunus pelagicus (Linnaeus, 1758)
The frequency and distribution of barnacle (Chelonibia patula) on blue swimmer crab Portunus pelagicus off Persian Gulf Coasts were studied. A total of 545 crabs were examined and were of the same size range. The carapace width rangof crab werefrom 6.5cm to 16.5cm, carapace length from 4 to 8cm and weighed 80.5g to 220.4g. The barnacles were attached to the carapace, abdomen and walking legs. T...
متن کاملReproductive biology of blue swimming crab, Portunus segnis (Forskal, 1775) in coastal waters of Persian Gulf and Oman Sea, Iran
A reproductive biology study of blue swimming crab, Portunus segnis (Forskal, 1775) in the northern Persian Gulf and Oman Sea, was conducted from May 2010 to October 2011. The results showed that the annual sex ratio is not M: F=1:1, with 51.9 % female. All the five stages of ovarian development of P. segnis were observed throughout the year. The size of ovigerous crabs varied from 103 to 155...
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ژورنال
عنوان ژورنال: Pakistan Journal of Biological Sciences
سال: 2012
ISSN: 1028-8880
DOI: 10.3923/pjbs.2012.720.728