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Sexual steroids (testosterone and estradiol) were measured in the whole body of wild specimens of the crinoid Antedon mediterranea collected from the Tyrrhenian Sea (Italy). Testosterone levels (274–1488pg/g wet weight (w.w.)) were higher than those of estradiol (60–442pg/g w.w.) and no significant differences between males and females were observed. No clear seasonal trend was either detected – individuals...
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