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Genus

Moenkhausia

Species
4
Photographed
0 of 4
Difficulty rated
4 of 4

Moenkhausia cerosCeros Tetra

authority not recorded

Max length
50mm SL2.0in SL
Tank
60 × 38cm24 × 15in
Temp
24–26°C75–79°F
pH
5.5–7.0

A rather rare fish in the UK hobby. It occasionally shows up as a contaminant among imports of more popular species. The taxonomic status of all species in the genus Moenkhausia is currently Incertae Sedis, meaning uncertain. The genus is currently used as something of a catch-all for a large number of small characin species. Most experts agree that a full revision is required, with the likely outcome that many of these will be placed into new or different genera....

Moderate

Moenkhausia oligolepisGlass Tetra

authority not recorded

Max length
50mm SL2.0in SL
Tank
60 × 38cm24 × 15in
Temp
24–28°C75–82°F
pH
5.5–7.2

This species is one of a handful that closely resemble the popular red-eyed tetra, M. sanctaefilomenae. This species is seen much less often in the hobby than its relative however and is also known as the glassy tetra. The taxonomic status of all species in the genus Moenkhausia is currently Incertae Sedis, meaning uncertain. The genus is currently used as something of a catch-all for a large number of small characin species. Most experts agree that a full revision is required, with the likel...

Easy

Moenkhausia pittieriDiamond Tetra

authority not recorded

Max length
60mm SL2.4in SL
Tank
60 × 38cm24 × 15in
Temp
24–28°C75–82°F
pH
5.5–7.0

This species is something of an "ugly duckling", as it's usually sold as a fairly bland looking, silvery juvenile. Given time and a good diet it develops into a magnificent fish as an adult, that really does sparkle like a diamond. A big shoal of these in a planted tank looks stunning. The taxonomic status of all species in the genus Moenkhausia is currently Incertae Sedis, meaning uncertain. The genus is currently used as something of a catch-all for a large number of small ch...

Moderate

Moenkhausia sanctaefilomenaeRed-eye Tetra

authority not recorded

Max length
70mm SL2.8in SL
Tank
90 × 38cm36 × 15in
Temp
22–26°C72–79°F
pH
6.0–8.0

This species can be found swimming in most dealers' tanks and is one of the best choices for the newcomer to fishkeeping. All the fish sold in the trade have been captive bred and as such are unfussy regarding water chemistry and diet. The taxonomic status of all species in the genus Moenkhausia is currently Incertae Sedis, meaning uncertain. The genus is currently used as something of a catch-all for a large number of small characin species. Most experts agree that a full revision is re...

Moderate