Predators play an important role in the evolution of guppy populations. Take a closer look at some of the fish that have the greatest impact on guppies.

As Guppies are easy breeders ... This allows you to trace the lineage and any crosses that have been made. Sex: M or F for male or female. Colour/strain: eg. half-black red delta or yellow snakeskin.

Because being ugly may actually help you attract the opposite sex, scientists believe. They have found that having ... They studied how individual female guppy fish choose different males and ...

I will have already planned ahead allowing the females to drop ... With this nigh on constant feeding the breeders carry out regular water changes. Breeders start to sex the guppies at three weeks, as ...

Viviparous Reproduction In viviparous reproduction, low-maintenance aquarium fish like guppies and swordtails ... and release gametes or sex cells. Males have testes near the anus, which produce ...

Poeciliids (e.g., guppies, swordtails ... showing high expression of genes involved in sociality (e.g., sex hormone receptors, nonapeptides, etc.) that have a key role in the modulation of social ...

Guppy’s new album Something Is Happening… is shaping up to be a trip. So far we’ve heard “Texting & Driving,” “Dog (Made Me Do It),” and “American Cowboy.” Today, the LA indie ...

However, some people may not feel any different at all — neither missing the sex they were having nor pining for more. But at what point does a dry spell actually start to change your biology?

STDs cases are on the rise, not just among young people; Aging adults who have sex with a new partner should be tested for them, too.

Contrary to old wives' tales about conception, “any sex position is fine,” says Dr. Catherine Goodstein, MD, an OB-GYN based in New York City. “There are those who speculate that deeper penetration is ...

A former police constable who filmed his estranged wife having sex with a colleague in a Screwfix car park has avoided jail. Gavin Harper, 45, was described as "obsessed" in court and was ...

LANCASTER COUNTY, Pa. (WHTM)– A Lancaster County man pleaded guilty to charges of having sex with dogs, according to ...