Article · Wikipedia archive · Last revised Aug 6, 2026

Euryochus

Euryochus is a monospecific genus of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armoured catfishes, and the subfamily Hypoptopomatinae, the cascudinhos. The only species in the genus is Euryochus thysanos. A catfish which is endemic to eastern Brazil where it is found from the Itapemirim River, across the larger Mucuri River and Doce River Basins to the Frades River in Bahia state. This species grows to a length of 12.0 centimetres (4.7 in) TL.

Last revised
Aug 6, 2026
Read time
≈ 1 min
Length
203 w
Citations
4
Source
Euryochus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Siluriformes
Family: Loricariidae
Subfamily: Hypoptopomatinae
Genus: Euryochus
Pereira & Reis, 20171
Species:
E. thysanos
Binomial name
Euryochus thysanos
Pereira & Reis, 20171

Euryochus is a monospecific genus of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armoured catfishes, and the subfamily Hypoptopomatinae, the cascudinhos. The only species in the genus is Euryochus thysanos. A catfish which is endemic to eastern Brazil where it is found from the Itapemirim River, across the larger Mucuri River and Doce River Basins to the Frades River in Bahia state. This species grows to a length of 12.0 centimetres (4.7 in) TL.2

The generic name Euryochus is from the Greek for "large eye", and the specific name θύσανος "thýsanos", meaning tassel or fringe, refers to the finely fringed margin of lower lip.3


References

References

  1. Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Genera in the family Hypoptopomatinae". Catalog of Fishes. California Academy of Sciences. Retrieved 6 April 2026.
  2. Froese, Rainer; Pauly, Daniel (eds.). "Euryochus thysanos". FishBase. February 2026 version.
  3. Christopher Scarpf (28 February 2026). "Family LORICARIIDAE: Subfamily HYPOPTOPOMATINAE Eigenmann & Eigenmann 1890 (Cascudinhos)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 6 April 2026.