This species of fish (Opistognathus whitehurstii) is a mouthbrooder. More simply, grow eggs in your mouth. Eggs usually stay in the mouth for 8-10 days. When the egg is not in the mouth, the fish can dig a hole in it, ingest sand and spit it out to create a tunnel.
What kind of fish spits eggs?
Horei cichlids sometimes spit out the entire clutch of the egg. 17 сент. 2018
Do fish spit?
When researchers observed how the fish's mouth moved during squirting, they found that the fish did more than just spit out water. Instead, its mouth movement depends on the distance of the prey.
Do fish give birth to babies by mouth?
Mouse breeder, a fish that breeds juveniles in the mouth. Examples include certain catfish, cichlids, and cardinal fish. Males of the sea catfish Galeichthys felis put up to 50 fertilized eggs in their mouths, hatch and hold them until the juveniles are over 2 weeks old.
How can I tell if a fish is pregnant?
When a female fish becomes pregnant, it develops a bulge behind the abdomen. This usually occurs between 20 and 40 days. Do your fish have red or black spots? Sometimes, when a female fish is pregnant, she develops a "gravity spot" on her abdomen.
Below you will find two helpful answers on a similar topic. 👇
Do fish lay eggs from their mouth?Does fish give birth by mouth?
