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Most female frogs had around 40 ripe eggs, almost double that of the number of juveniles ever found in the stomach (21–26). This means one of two things, that the female fails to swallow all the eggs or the first few eggs to be swallowed are digested.
During the amplexus, the female's back is gradually swelled to a puffy condition. The male and female cloacae are brought close together, and many eggs are transferred anteriorly to the female's swollen dorsal epidermis. The eggs, each around 6.5 mm in diameter, then become implanted into the female's dorsal epidermis. During the first day the ...
In some states, breaking the skin while catching them is illegal, and either grasping gigs or hand captures are used. Like most frogs, the hind legs of the bullfrog are the only parts generally eaten. When cooked, they resemble small chicken drumsticks, have a similar flavor and texture and can be prepared in similar ways. [49]
The yellow-bellied toad lays eggs in ponds of a particular temperature and duration. When given the choice between a warm pond, or a cooler one, the frog will lay its eggs in the warmer pool because of heat being conducive for healthy egg growth and development.
Many frogs are able to absorb water and oxygen directly through the skin, especially around the pelvic area, but the permeability of a frog's skin can also result in water loss. Glands located all over the body exude mucus which helps keep the skin moist and reduces evaporation.
The clawed frog have been kept as pets and research subjects since as early as the 1950s. They are extremely hardy and long lived, having been known to live up to 20 or even 30 years in captivity. [47] African clawed frogs are frequently mislabeled as African dwarf frogs in pet stores. Identifiable differences are: Dwarf frogs have four webbed ...
The population of the mountain chicken frog, once abundant in the Caribbean, has dropped by over 99% in 20 years due to a deadly fungal disease.
Typically large numbers of eggs are laid at one time (an adult female cod can produce 4–6 million eggs in one spawning) and the eggs are then left to develop without parental care. When the larvae hatch from the egg, they often carry the remains of the yolk in a yolk sac which continues to nourish the larvae for a few days as they learn how ...