Article · Wikipedia archive · Last revised Jul 19, 2026

Biotoecus

Biotoecus is a fish genus of cichlids from northern South America where one species (B. dicentrarchus) is found in the Orinoco Basin and the other (B. opercularis) occurs in the northern part of the Amazon Basin. These small cichlids do not surpass 10 cm (3.9 in) in length.

Last revised
Jul 19, 2026
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≈ 1 min
Length
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Source
Biotoecus
B. opercularis
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cichliformes
Family: Cichlidae
Subfamily: Cichlinae
Tribe: Geophagini
Subtribe: Crenicaratina
Genus: Biotoecus
C. H. Eigenmann & C. H. Kennedy, 1903
Type species
Saraca opercularis

Biotoecus is a fish genus of cichlids from northern South America where one species (B. dicentrarchus) is found in the Orinoco Basin and the other (B. opercularis) occurs in the northern part of the Amazon Basin. These small cichlids do not surpass 10 cm (3.9 in) in length.

Species

The two recognized species in this genus are:1

References

References