Normally for, the childhood chelonian with small type of build or figure (individual weigh 250 grams the following, namely half jins the following) , because of the gender crudely, sexual distinction hard appraisal. Generally speaking, have the palm general big good admit. A few people are selling childhood Brazil chelonian says to be able to judge sexual distinction according to breastplate decorative pattern, without scientific basis. With the chelonian of the age, individual bodily form always is more than female male and individual. Common Brazilian chelonian male chelonian is individual heft 300 grams, female chelonian is individual it is mature to weigh 500 grams to control a gender. Other chelonian kind differ because of breed and the level is different also. Overall for to common chelonian, no matter water chelonian still is land chelonian, can come through feature of the following sexual distinction normally from bodily form appraisal its sexual distinction:
- Bodily form size: To the grown chelonian of the of the same age of most sort, circle of female chelonian bodily form is large and big; Male chelonian bodily form is weaker and small.
- Tail appearance: Female chelonian end is fine and short, end radical ministry is fine; Male chelonian end is thick and long, end radical ministry is thick.
- Before ungual fingernail: Female chelonian is short, male chelonian is long.
- Position of discharge breed opening and appearance: Tailing edge of breastplate of pitch of breed of female chelonian discharge is closer, and discharge breed aperture is located in breastplate less than, aperture form circle; Tailing edge of breastplate of pitch of breed of male chelonian discharge is further, discharge breed aperture is located in beyond breastplate, aperture form chief body.
- Back armour: Armour of female curvature of the spinal column is shorter and wide, armour of male curvature of the spinal column is longer and narrow.
- Breastplate: Do not have in the center of evenness of female chelonian breastplate cave, the notch that the 2 anus aegis of breastplate forms is more shallow, notch point of view is older. Appreciably is inward in the center of male chelonian breastplate defect, the notch that the 2 anus aegis of breastplate forms is deeper, notch angle is lesser. Little knowledge: Whether does breastplate cave, can sentence easily read state-owned parent. Fair chelonian has apparent hollow, mother chelonian is even. Do you know, it is to use hero to go up when the tortoise is copulatory female the pose below, to avoid copulatory when go up by female turtle shell slide, so the breastplate of male chelonian caves slightly, as it happens can block the back mec housing with female protuberant chelonian; But female chelonian does not need this kind of construction, because this breastplate is smooth. This you are clear, want to had turned over the tortoise to come personally only, touch the range of breastplate with finger, give male and female with respect to very can speedy resolution. Abdominal decorative pattern: The figure of male chelonian abdomen is thin; And the decorative pattern of female chelonian abdomen is concentrated. Understand body color: The whole body after male tortoise is mature becomes black; And female tortoise still is original palm Brown style quality. Point to control a standard: Make by the limb that press chelonian with finger its cannot be extended, its reproduction organ can be extended from inside reproductive aperture, it is male chelonian namely. And make by the limb that press chelonian with finger its cannot be extended, discharge breed aperture secretes a liquid, it is female chelonian namely.
