Parrot fish are a man made cichlid. They did not evolve in nature but were made in a laboratory. They lay eggs so they can not get pregnant.
10 years
about seven years
Until the baby is big enough not to be injured by the male
A guppy fish is pregnant for about 4 weeks.
1 to 4 ft (30 to 120 cm)
Zebra danios are not live-bearing fish, so they do not get pregnant. Instead, the female will lay eggs, and the male will fertilize them. The eggs will hatch about 2 days after being fertilized.
Female Oscar fish will appear rounder in the belly area if they are pregnant. Look for a more pronounced bulge near the anal vent. Additionally, the female may exhibit changes in behavior such as increased aggression or territoriality.
Well, despite the name, it is not an eel, but is a fish. Like other fish, they do not get pregnant and do not have a period of gestation. The female lays eggs, which are fertilized outside her body.
one to four feet long
they are pregnant for 2 days!
----
The only thing to do is separate them.