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Page "Zebrafish" ¶ 5
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Females and are
Females are similar but are duller overall and have a buff throat and brow without the black border.
Females are slightly heavier than males.
Females mark more often during the wet season when they are in estrus.
Females become sexually mature when they are four years old, while males become mature at four or five years.
Females lactate for approximately seven months following birth, at which point calves are weaned and maternal care begins to decrease.
Females are in estrus about every four days, which is indicated by a reddening of genital areas, a musky smell, and a hissing, squeaking vocalisation she will emit if she believes a male is nearby.
Females are typically 10 – 20 % smaller than males.
Females are smaller, generally ranging from and weighing about.
Females are noticeably larger, with the adult male weighing 136-252 g ( c, 5-9 oz ), around 155 g ( around 5. 5 oz ) on average ; the adult female weighs 154-314 g ( about 5. 5-11 oz ), around 184 g ( around 6. 5 oz ) on average.
Females are antagonistic and resist with their claws and teeth during the early phases of courtship.
Females and young males are greyish-brown and white.
Females remain in their natal groups for life and are thus the source of stability in the groups.
Females are smaller, growing to between tall at the withers and weighing between.
Females can ovulate three times in as many weeks during the mating season, and 80 % of two-year-old females are seen to be pregnant during the annual mating season.
Females are more frequently affected than males.
Females over a year old are known as hens, and younger females are pullets.
Females are smaller than their male counterparts, with average weights measuring between.
Females are larger than the males, appearing far more plump with hip-like bulges above their rear legs ( where their eggs are internally located ).
Females are typically in body length, excluding the proboscis, but the males are only long, and spend their lives within the uterus of the female.
Females, in all families except the Mengenillidae, are not known to leave their hosts and are neotenic in form, lacking wings and legs.

Females and able
Females are able to bear one litter each year.
Females lay clutches of 6 – 20 eggs on the banks of waterways that they otherwise would not normally be able to reach without the flooding caused by the seasonal rainfall.
Females do all the work on clan lands and in space ventures, although Cherryh does describe some able and intelligent males who become involved in the world around them.
Females prefer the more elaborate tails, and thus those males are able to mate successfully.
Females of most species are anautogenous, meaning that they require a blood meal before they are able to reproduce effectively if at all.
Females are able produce 1, 500 to 1, 700 eggs, depending on their size and age.
Females are able to lay up to 1, 000 eggs at a time in a large egg mass.
Females are able to breed again almost immediately after birth, although births every other year are more common.
Females may be able to retain sperm, and females held in confinement have been able to lay fertile eggs.
Females are also able to maintain full ownership of all property they own when they marry, under this article.
Females mature, i. e. are able to spawn, at ages from 3 to 7 years old.

Females and spawn
Females spawn once per year and regenerate their gonads, making nautiluses the only cephalopods to present iteroparity or polycyclic spawning.
Females may spawn two to three times per year, and produce between 80, 000 and 1, 000, 000 eggs per event.
Females may spawn in more than one nest, and more than one female may use the same nest.
Females have the potential to spawn up to eight times in their lifetimes.
Females have the potential to spawn up to eight times in their lifetimes.
Females can spawn up to six times during the spawning season, which spans April to September.
Females spawn 10 – 20 egg-clutches with multiple males at a time, but an entire egg clutch is inseminated by sperm of a single male.
Females may spawn as many as four times in one season.
Females, which are smaller than males, spawn 300 – 800 olive-green eggs per brood, which are fertilised from a spermatophore which the male has deposited at the base of her walking legs ( pereiopods ) during mating.
Females visit these groups to spawn and release eggs in a ' spawning rush '.
Females spawn can shed up to 26 % of their weight when spawning, while males have also been seen to lose weight during breeding, because they are doing less eating.

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