The male seahorse has a pouch, which the female will fill with unfertilised eggs - here the male with fertilise them. The male will keep the eggs there until he expels them from the pouch, as they begin to hatch.
However from then on, as is usual with fish, the many tiny offspring are left to fend for themselves.
Yes, the female takes care of the young. The male takes no part in raising the offspring.
Female
the male betta does, the female just swims away.
The only male fish that gives birth to young is the seahorse. He actually is not giving birth, but retains fertilized eggs in his body and releases them when the eggs hatch.
Sometimes. The female mostly takes care of her young while the male hunts.
Male fish from the Syngnathidae carry their young. Human males do not have the anatomy to carry but a transgender female to male can be come pregnant.
The male koala does not take care of the young. He has absolutely no part in raising the young joey.
In seahorse, the female inserts the eggs into the sac present in male's belly. The male takes care of the gestation period and gives birth to young ones.
No
no
The female is the primary care giver but both parents share the responsibility as well as older siblings if present. If the female dies before the young are independent, the male takes over all responsibilities.
the male does