[Ebook] 500 freshwater aquarium fish – Livebeavers – Blackline Mosquitofish (Flexipenis vittata)

There is considerable debate regarding the true identity of this beautiful fish. Some authorities believe it to be the single representative of the genus Flexipenis, while others (probably a majority) believe it to be a Gambusia. Whatever its classification, with the characteristic black line running along its body, it is a delightful fish for the aquarium.

Synonyms

• Flexipenis vittatus, Gambusia vittata

Family

• Poeciliidae

Subfamily

• Poeciliinae

Distribution

• Atlantic side of Mexico.

Size

• Males around 1 3/4in (4.5cm); females around 2 1/2in (6cm).

Behavior

• Surprisingly unaggressive for a “Gambusia-type” species; may be kept in a shoal.

Diet

• Wide range of foods accepted.

Aquarium

• Well-planted, well-lit, covered tank. Neutral softish water, with some deviation on either side accepted. Temperature range: 72-77 F (22-25 C).

Breeding

• Broods of around 20 fry produced every 4-6 weeks.