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Size at Sexual Maturity and Fecundity of the Blue Swimmer Crab, Portunus pelagicus (Linnaeus, 1758) along the Coast of Karachi, Pakistan

Size at Sexual Maturity and Fecundity of the Blue Swimmer Crab, Portunus pelagicus (Linnaeus, 1758) along the Coast of Karachi, Pakistan

Shazia Rasheed1*, Javed Mustaquim2 and Khalil Hasni1

1Lasbela University of Agriculture, Waters and Marine Sciences, Uthal, Balochistan
2Centre of Excellence in Marine Biology, University of Karachi, Karachi

*      Corresponding author: shaziarasheed_22@hotmail.com; shaazz_22@yahoo.com

 

Fig. 1.

Relationship between short carapace width (SCW) and chelar propodus length (CPL) in (A) male (n=260) and (B) female (N=314) of Portunus pelagicus.

Fig. 2.

Portunus pelagicus: Relationship between short carapace width (SCW) and pleopod length (LP) in male crabs (N=260).

Fig. 3.

Relationship between short carapace width (SCW) and abdomen width (AW) in (A) female (N=314) and (B) male (n=260) of Portunus pelagicus.

Fig. 4.

Size of 50% maturity in different size groups of (A) male (n=941) and (B) female (n=1057) of Portunus pelagicus estimated by evaluating the logistic curve.

Fig. 5.

Portunus pelagicus: Relationship between fecundity (Fec) and short carapace width (SCW).

Pakistan Journal of Zoology

February

Vol. 53, Iss. 1, Pages 1-400

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