Which animal lay eggs without hard shell?
Ethan Hayes
Updated on March 16, 2026
Fish and amphibians generally lay eggs which are surrounded by the extraembryonic membranes but do not develop a shell, hard or soft, around these membranes. Some fish and amphibian eggs have thick, leathery coats, especially if they must withstand physical force or desiccation. Takedown request View complete answer on en.wikipedia.org
What animals lay eggs with soft shells?
Soft eggshell (Fig. 4): Most lizards, snakes, and tuataras lay soft eggs composed of an organic framework and poorly organized calcite crystals. These eggs collapse and shrivel after the animal hatches, and are therefore unlikely to be identified or even preserved in the fossil record. Takedown request View complete answer on ucmp.berkeley.eduDo reptiles lay soft shelled eggs?
Most reptiles lay eggs with soft, leathery shells, but minerals in the shells can make them harder. Crocodilians and some kinds of turtles lay eggs with tough shells—more like a bird's egg. Female reptiles often build nests to protect their eggs until they are ready to hatch. Takedown request View complete answer on dkfindout.comDo birds and reptiles have hard shell eggs?
Notice that some reptileshave hard shells,like birds' eggs do. But other reptiles' eggs have rubbery shells. Takedown request View complete answer on sfponline.orgDo birds lay hard egg shells?
This points to the egg shape to more likely being a product of a bird's flight adaptation than where they nest. You can read the study here. The second distinction is in the shell – birds lay eggs with hard shells where as some reptile species lay soft-shelled eggs. Takedown request View complete answer on blogs.ucl.ac.uk12 Animals That Lay Eggs (Some Will Surprise You!)
What animals lay hard shelled eggs?
Animals that lay hard-shelled eggs include:- Birds: All birds lay hard-shelled eggs.
- Reptiles: Most reptiles, including turtles, snakes, lizards, and crocodiles, lay hard-shelled eggs.
- Some species of fish, such as some sharks, skates, and rays.