Biochemical contents of the ovary and hepatopancreas of Uca longisignalis and Uca nr. minaxContenido bioquímico del ovario y hepatopáncreas de Uca longisignalis y Uca nr. minax


  • Barbara E. Hasek Department of Biology, University of Louisiana at Lafayette, Louisiana
  • Darryl L. Felder Department of Biology, University of Louisiana at Lafayette, Louisiana



crustacean, gonad maturation, Gulf of Mexico, lipid, hepatopancreas


P align=justify>Biochemical composition of ovary and hepatopancreas tissues in wild populations of Uca longisignalis and Uca nr. minax were monitored during the reproductive season. Total lipid (concentration and content), C (carbon), N (nitrogen), and C:N ratios of the ovary and hepatopancreas were quantified over the course of ovarian maturation. Ovary lipid and C concentration varied significantly over the course of ovarian maturation for both species, but there was no relationship between lipid concentration or hepatopancreas content and the stage of ovarian development in females. Hepatopancreatic lipid and C concentration did not differ between sexes of U. nr. minax. Lipid demands of ovarian maturation thus appear to be met in large part by increased dietary intake and not purely by translocating lipid stores from the hepatopancreas. In both Uca longisignalis and U. nr. minax, the color of the hepatopancreas may be used as an indicator of the lipid and C levels of the hepatopancreas. Cadmium-yellow and lemon-yellow hepatopancreas tissues had the highest lipid concentrations. No evidence could be found to demonstrate depletion of lipid or C concentrations in the hepatopancreas concomitant with ovarian maturation.



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Hasek BE, Felder DL. Biochemical contents of the ovary and hepatopancreas of Uca longisignalis and Uca nr. minaxContenido bioquímico del ovario y hepatopáncreas de Uca longisignalis y Uca nr. minax. scimar [Internet]. 2006Sep.30 [cited 2023Jun.8];70(3):505-17. Available from:




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