![]() ![]() Its prevalence is greater in dry seasons and in salinities higher than 8, but lower than 24‰. ![]() texanus is persistent in time and space in the lagunar subsystem of Alvarado, Veracruz. For the parasitized organisms it was calculated a proportion of 50.24% (106 crabs) for the males and 49.76% (105 crabs) for the females (sex ratio 1.0:1.0). It was calculated a sexual proportion of the healthy organisms of 54.86% (299) for the males and 45.14% (246) for the females (sex ratio 1.2:1.0). A total of 756 organisms were collected, from which there were obtained 545 healthy crabs (72%), 32 feminized males (4.23%), 51 with virgin externa (6.74%), 31 with immature externa (4.1%) and 97 organisms with mature externa (12.8%). The main objective of this study was to explain parasite-host relationship in time and space. rathbunae, appears mainly in the Gulf of Mexico where important economic losses have been attributed to this parasite. The rhizocephalan Loxothylacus texanus, parasite of the crabs Callinectes sapidus and C. ![]()
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