Differences between male and female Ascaris are:
(1) Females are wider around whereas males are thinner.
(2) Females grow to 20 - 40 cm long whereas males grow to 15 - 30 cm long.
(3) Females are straight at the posterior end whereas males are hooked.
(4) Males have pineal, spices or spine like extensions nears it's posterior opening whereas females lack these structures.
(5) Females have a large reproductive opening on the posterior third of its body whereas males lack such opening.
(6) A female has two reproductive organ tubes joining to form a Y whereas males have one straight tube.
