elasmobranch

denticle The tooth-like scale of elasmobranchs; placoid scale of cartilaginous fish; also called dermal denticle.

细鳞板鳃的像牙齿一样鳞片;软的盾鳞;也被称为表皮的细鳞。

separating An elasmobranch reproductive behavior wherein the male releases the pectoral fin of the female, setting her free (Ref. 35892).

分开一种板鳃的殖行为，为雄放松雌的胸鳍，并放它自由(参考35892)。

crossing claspers A reproductive behavior of elasmobranchs where a male overlaps both claspers until they point toward the opposite side (Ref. 51121, 51113).

殖交脚器具有殖交脚器的板鳃在殖行为中,雄利用交脚器翻转雌使之腹侧相对.

nudge An elasmobranch reproductive behavior wherein a male moves the female from the perpendicular to the parallel position by placing his head under and in contact with the female (Ref. 51111).

轻推板鳃的殖行为，一只雄藉由放置它头部的位置而由垂直位至平行位以移动雌，并且在下面与雌接触(参考51111)。