The kisspeptin system is increasingly recognised as a central regulator of reproductive physiology in fish. Unlike mammals, teleosts often harbour two or more kisspeptin genes (e.g. Kiss1 and Kiss2) ...
A Brazilian study described in an article published in the journal Salamandra evidences the versatility of amphibians in terms of reproductive modes: their eggs and larvae can develop in at least 74 ...
Peripheral portions of the ranges of the leopard frogs R. chiricahuensis, R. pipiens, R. blairi, and the lowland form (an unnamed species of the leopard frog complex) intersect in the extreme ...
AZ Animals on MSN
Backpack frog battles: How evolution turned motherhood into armor
Quick Take Boulenger’s backpack frog females carry fertilized eggs in a dorsal pouch, providing protection and moisture. Embryos undergo direct development, emerging as fully formed froglets without a ...
Scientists are studying Nectophrynoides frogs that give birth to live young. This unique reproductive method helps them survive in dry forests. These frogs develop internally, bypassing the vulnerable ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results