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The Bluetail Goodeid is a less common livebearer that is a fascinating subject for the heavily planted aquarium! This species is currently endangered in the wild, but these are tank bred here in the United States!
The Bluetail Goodeid (Ataeniobius toweri) is a very unique livebearer that thrives in the heavily planted community aquarium. The males and females of this species are very similar in appearance. While very similar in appearance, males have slightly larger dorsal fins and develop a blue tint on the caudal fin. This species is native to Mexico, where its populations have been in significant decline, but it fortunately has been preserved by tank-breeding by many aquarists.
The Bluetail Goodeid typically occupies the top and middle level of the water column, although it can often be seen swimming and feeding in the bottom level as well. This fish is not afraid to jump, so it must be kept in an aquarium with either a lid/hood/canopy or at least a significantly lowered water level. It will not eat or bother ornamental plants. Males can sometimes be boisterous, so this fish should only be kept with other species that are durable and of comparable size. Larger, peaceful invertebrates can also potentially make good tankmates. This fish will exhibit its best coloration in a heavily planted aquarium with dark substrate. It should also be kept in a group with multiple males and females. The Bluetail Goodeid is best kept in groups in neutral to hard water. It typically will not thrive in very soft water.
While not a picky eater, the Bluetail Goodeid will thrive and remain very colorful on a varied diet of omnivorous foods that are rich in spirulina or other nutritious vegetable matter since it naturally feeds on algae as a major part of its diet. High-quality and flake food, pellets, and frozen foods will all be readily accepted.
What We Like About This Fish:
- Tank bred variety of a fish declining in population
- Less common than many other related livebearers
- Hardy and adaptable
- Excellent for inhabiting the top of the aquarium
- Thrives in the planted aquarium
RECOMMENDED TANK PARAMETERS:
- Temperature: 59° - 86° F (15° - 30° C)
- pH: 7.0 - 8.0
- KH: 10 - 20 dKH
- Minimum Tank Size: 30 gallons for a medium to large group
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- Diet: Omnivorous. Will easily accept high quality dry and frozen foods and requires plenty of vegetable matter.
- Social Behavior: Peaceful, schooling/shoaling.
- Origin: Tank-bred, but indigenous to Mexico
- Average Adult Size: 2.8 - 3.1 inches (7 - 8 cm)
- Average Purchase Size: 1.5 inch (3.8 cm)