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Fig. 6 | BMC Zoology

Fig. 6

From: High-resolution monitoring from birth to sexual maturity of a male reef manta ray, Mobula alfredi, held in captivity for 7 years: changes in external morphology, behavior, and steroid hormones levels

Fig. 6

Comparison of its testosterone levels with those of different males. Levels of testosterone during 2011 in No10–2 (when approximately 3 years of age), in the mature No6, and in the immature No 26. Aug, August; Dec, December; Feb, February; Jan, January; Jun, June; Mar, March; Nov, November; Oct, October; Sep, September

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