Period Number Number of crabs With empty stomach % empty stomach
February 60 9 15.00
March 75 7 9.33
April 61 5 8.20
May 78 11 14.10
June 80 8 10.00
July 86 13 15.12
Total 440 53 12.05
Table 2: Stomach analysis of Cardiosoma guanhumi from the Lagos Lagoon mangrove swamps (February- July, 2012).