Search results for "axolotl eggs"
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[…]of water. The substrate should be placed within a small Tupperware or similar container and the eggs half-buried into the substrate. Weigh the container, with substrate and eggs inside, and note this figure on the container’s lid. Re-weigh once each week – any drop in weight is the result of […]
[…]of Sydney biologists have revealed that large skink eggs develop into females, while small eggs become males. Furthermore, removing yolk from a large egg resulted in a male hatchling, despite the fact that female genes were present; adding yolk to a small egg over-rode the effect of the male genes […]
[…]species have been shown to actively raise the temperature of their clutch by coiling about the eggs and “shivering”. In captive situations, I have observed incubating female blood pythons (Python curtus) and Burmese pythons (P. molurus bivittatus) to raise their eggs by 7F above the ambient air temperature. Field research […]
[…]to manipulate the hatchlings’ sexes. Please post below for further information. When removing eggs from a terrarium, be sure to make a small pencil mark at the top of each, so that they are not accidentally rotated. Oils from the skin can clog air pores, so use powder free gloves […]
[…]dose and a soak time of approximately 1 hour – gradually increasing both if necessary. For eggs, I dilute the Methylene Blue in water and then use an eye dropper to place it on the eggs (approximately 1 drop per 2 inch square of egg mass). Treated amphibians will be […]
[…]efforts and very willing to consume their progeny. Amazingly, a female in my collection deposited eggs without entering amplexus, and a male fertilized the eggs the following day…please see the article below for details. Observing Breeding Behavior Despite their generally bold demeanor, paired African Clawed Frogs are extremely sensitive to […]
[…]gills, never see the light of day, do not mature until age 16, and reproduce by both laying eggs and bearing live young. Despite their very unique natural environments, Olms do quite well in zoos, often living into their 70’s. Due to the Olm’s rarity, researchers have maintained a breeding […]
[…]reports indicate that Giant Horned Lizards mate in April-June, with gravid females laying 10-30 eggs after a gestation period of 60-70 days. The eggs hatch in 10-12 weeks when incubated at 85 F. Horned Lizard Care Horned Lizards are hard to resist, but it is a mistake to attempt keeping […]
[…]Additional clutches of 1-2 eggs are laid throughout the breeding season, to a total of 8-10 eggs per female. The eggs hatch in 30-45 […]
[…]forearms). Male Smokey Jungle Frogs use their powerful rear legs to whip the jelly surrounding the eggs into a frothy mass of sperm, jelly, skin secretions, air and water. This nest surrounds the eggs and is deposited in a natural (or possibly self-dug) depression in the ground, usually at the […]
[…]them to bark within hollows and beneath bark. Oddly enough, captives almost always deposit their eggs on the ground, even when provided with seemingly suitable arboreal sites. The eggs hatch in 40-60 days. One member of the genus, R. l. trachyrhynchus, gives birth to live young. Diet Fruit, sap, nectar, […]
[…]female Crocodile Skinks may produce up to 6 eggs each year. Female Crocodile Skinks guard their eggs during the 70 day incubation period. In captivity they cover the eggs with substrate when foraging and lunge at intruders. The hatchlings stay in close proximity to the female for approximately 2 weeks. […]
[…]to store sperm. Those purchased as adults, or separated from a male, may still produce fertile eggs. As mentioned above, females that have not mated may also develop eggs, which must be deposited. Stay alert for signs that a female may be egg-bound – lethargy, swollen abdomen, straining – […]
[…]producing huge egg masses shortly thereafter. I estimated the average clutch to contain 500-600 eggs, but up to 12,000 eggs have been reported as being produced by a single female. The eggs hatched in 4 days at 78F, and the tadpoles were among the most ravenous I’ve ever encountered – […]
[…]need further information. Veterinary intervention may be required if the female refuses to lay her eggs. In many cases, an injection of oxytosin is effective in causing the eggs to be expelled. Further Reading I’ve written about my experiences with wild green iguanas in another article on this blog. Please […]
[…]were likely 60-70 years old. Several times I was called to Kennedy Airport to identify turtle eggs found in luggage (and, in one case, filling 2 shopping bags!). Twice I was tempted to identify seized eggs as belonging to a sea turtle, but upon close examination and some research into […]
[…]up to 6 tadpoles to individual pools at the bases of bromeliads (like all Dendrobatids, their eggs are deposited on land) and call to their mates when feeding time arrives. The female then visits the pool and deposits an unfertilized egg, which is consumed by the tadpole. The Effect of […]
[…]or in trees, are protected by virulent skin toxins, exhibit complex breeding behaviors, and lay eggs in on land. Mantella reproductive strategies roughly follow those of the Poison Frogs. Males call during the day from exposed sites on land – light markings on the vocal sacs may serve as a […]
[…]the fall and winter may also be useful, but is not critical (please write in for details). The Eggs Gravid female swell noticeably, and their 2 eggs will be visible through the skin in time. A well-fed female may produce 3, or possibly more, clutches of 2 eggs each. I’ve […]
[…]usually occurs in the spring, with healthy females producing multiple clutches of 2-16 eggs each summer and fall. At 82 F, eggs typically hatch in 65-72 days, but a range of 55-85 days has been reported. Hatch rates are invariably high, often approaching 100%. The young average 6-10 inches in […]
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