| A special gland in the female, unique to elasmobranchs and known as the oviducal, nidamental, or shell gland, produces the egg case. |
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| Two conspicuous white nidamental glands, one on each side, measuring 30 x 42 mm each. |
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| Females were considered mature if they were gravid, had oocytes larger than 26 mm in diameter, or if nidamental gland width was greater than 20 mm. |
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| There was a negative correlation between Gonado Somatic Index and Nidamental gland Somatic Index and each of total protein and lipids in different sexes. |
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