Species Name: Poecilia latipinna
Origin: Central American coastal brackish waters
Size: 10cm
Temperament: Peaceful
Food: All aquarium foods with regular vegetables
Tank Areas: All
Notes: A very easy to breed live bearer available in many colours. Males have a special anal fin (the gonopodium), females have plumper bodies with fan shaped anal fin.
BUTTERFLY GOODEID: Picture Required
Species Name: Ameca splendens
Origin: C. American streams and rivers
Size: 8cm
Temperament: Shoaling
Food: All aquarium food and smaller fish
Tank Areas: All
Notes: Live bearers that are not very common in the UK. Males have a rounded dorsal fin and a notch in their anal fin. Easy to breed but prepare for up to 50 young every eight weeks or so.
Species Name: Anableps anableps
Origin: S. American lakes & slow waters
Size: 20cm
Temperament: Quite aggressive
Food: Mainly insects
Tank Areas: Surface
Notes: This live bearer will eat any smaller fish that get too close so not good for the community tank. Males are obvious due to their gonopodium. Females give birth twice a year to young which are well developed and can be up to 5cm's long.
GOLDEN BUMBLEBEE GOODEID: Picture Required
Species Name: Allotoca dugesi
Origin: Central American rivers & streams
Size: 6cm
Temperament: Aggressive, shoaling
Food: All aquarium food
Tank Areas: All
Notes: This livebearer is not as easy to sex as most as the males do not have a long gonopodium. Instead coulour is used to tell them apart with the males being gold coloured on their lower flanks and the females being more of a blue colour. All of the Goodeid family of fish need to mate for each brood as the females do not store sperm as happens in other livebearers.
GUPPY: Male
Female
Species Name: Poecilia reticulata
Origin: Central American streams
Size: 3cm
Temperament: Peaceful
Food: All aquarium foods
Tank Areas: All
Notes: Very easy to breed live bearer. Males have a specially adapted rod like anal fin (called the gonopodium) and are available in hundreds of different colour variations, females have a fan shaped anal fin, smaller caudal fin (tail) and are larger and less colourful.
HUMPBACKED LIMIA: Picture Required
Species Name: Poecilia nigrofasciata
Origin: C. American streams & rivers
Size: 6cm
Temperament: Peaceful
Food: All aquarium food
Tank Areas: All
Notes: Males develop the hump back when they become mature. Females have larger bellies and the hump is not so obvious. Fairly easy to breed.
KNIFE LIVEBEARER: Picture Required
Species Name: Alfaro cultratus
Origin: C. American streams
Size: 9cm
Temperament: Aggressive shoaling
Food: All aquarium food
Tank Areas: Top and middle
Notes: This fish is unusual for a live bearer as it is quite aggressive to other breeds and therefore is best kept in a species tank. Tank needs to be very well planted if any fry are to survive.
MOSQUITO FISH: Picture Required
Species Name: Heterandria formosa
Origin: N. American still waters
Size: 2cm
Temperament: Peaceful
Food: All aquarium food
Tank Areas: All
Notes: This tiny livebearer needs to be kept with other small peaceful fish or better still in a species tank. Males have a long gonopodium.
Species Name: Xiphophorus maculatus
Origin: C. American streams and rivers
Size: 4cm
Temperament: Peaceful
Food: All aquarium food
Tank Areas: All
Notes: Males are usually more colourful than females and have a rodlike anal fin (the gonopodium). Live bearing females are slightly larger. Very easy to breed in the home aquarium.
Species Name: Poecilia latipinna
Origin: C. American coastal waters
Size: 10cm
Temperament: Peaceful
Food: All aquarium food
Tank Areas: All
Notes: This fish is really the same as the Black Molly so the details are the same for both. Added because some people consider them to be different fish.
SWORDTAIL: 
Species Name: Xiphophorus helleri
Origin: C. American streams
Size: 10cm
Temperament: Peaceful
Food: All aquarium food
Tank Areas: All
Notes: Males have a elongated bottom edge to their caudal (tail) fin and a rodlike anal fin. Easy to breed live bearers. Males may sometimes fight each other when females are around.
WESTERN MOSQUITO FISH: Picture Required
Species Name: Gambusia affinis
Origin: USA lakes & streams
Size: 4cm
Temperament: Aggressive, shoaling
Food: All aquarium food (see notes)
Tank Areas: All
Notes: This livebearer looks almost identical to the female Guppy. Males have a gonopodium. The common name comes from the fact that they eat large amounts of mosquito larvae in the wild and are used to reduce mosquitos in malaria hit countries. Whenever possible they should be fed mosquito larvae in their diet.
WRESTLING HALFBEAK: Picture Required
Species Name: Dermogenys pusillus
Origin: S.E. Asian streams and rivers
Size: 6cm
Temperament: Shoaling
Food: Carnivore aquarium food
Tank Areas: Top and middle
Notes: Live bearers that are easy to sex due to males rod like anal fin. Best kept in a group with only one male as two males will normally fight.
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