Parotocinclus cearensis
| Parotocinclus cearensis | |
|---|---|
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Division: | Teleostei |
| Order: | Siluriformes |
| Family: | Loricariidae |
| Genus: | Parotocinclus |
| Species: | P. cearensis |
| Binomial name | |
| Parotocinclus cearensis | |
Parotocinclus cearensis is a species of freshwater ray-finned fish belonging to the family Loricariidae, the suckermouth armoured catfishes, and the subfamily Hypoptopomatinae, the cascudinhos. This catfish is endemic to Brazil.
Taxonomy
Parotocinclus cearensis was first formally described in 1977 by the Brazilian ichthyologist Julio C. Garavello with its type locality given as the Gusmao Stream, Ipu in the Brazilian state of Ceará.[2] Eschmeyer's Catalog of Fishes classifies the genus Parotocinclus in the subfamily Hypoptopomatinae, the cascudinhos, within the suckermouth armored catfish family Loricariidae.[3]
Etymology
Parotocinclus cearensis is classified in the genus Parotocinclus, is a combination of para, meaning "near", and the genus Otocinclus, the genus the type species, P. maculicauda was originally thought to be a member of. The specific name, cearensis, suffixes Ceará, the species was thought to be endemic to that state, with -ensis, a Latin suffix meaning "of a place".[4]
Description
Parotocinclus cearensis reaches a standard length of 5 cm (2.0 in).[5] This species has 23 or 24 plates along its lateral line, the underside is almost naked with a row of small plates on each side and a group of platelets scattered aon the area in front of the anal fin. The premaxilla has between 20 and 23 teeth while the dentary has between 19 and 23.[6]
Distribution and habitat
Parotocinclus cearensis is endemic to Brazil where it occurs in the Parnaíba River and São Francisco River in the states of Ceará, Piauí, Rio Grande do Norte, Paraíba and Pernambuco. This species has been collected from narrow streams, with a streambed consisting of sand and rock, a slow current and clear, slightly turbid water.[1]
References
- 1 2 Instituto Chico Mendes de Conservação da Biodiversidade (ICMBio) (2022). "Parotocinclus cearensis". IUCN Red List of Threatened Species (in Portuguese). 2022 e.T186808A1818689. doi:10.2305/IUCN.UK.2022-1.RLTS.T186808A1818689.pt. Retrieved 12 May 2026.
- 1 2 Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Species in the genus Parotocinclus". Catalog of Fishes. California Academy of Sciences. Retrieved 11 May 2026.
- ↑ Fricke, Ron; Eschmeyer, William N. & van der Laan, Richard (eds.). "Genera in the family Hypoptopomatinae". Catalog of Fishes. California Academy of Sciences. Retrieved 11 May 2026.
- ↑ Christopher Scharpf (28 February 2026). "Family LORICARIIDAE: Subfamily HYPOPTOPOMATINAE Eigenmann & Eigenmann 1890 (Cascudinhos)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 11 May 2026.
- ↑ Froese, Rainer; Pauly, Daniel (eds.). "Parotocinclus cearensis". FishBase. February 2026 version.
- ↑ Julio C. Garavello (1977). "Systematics and geographical distribution of the genus Parotocinclus Eigenmann & Eigenmann, 1889 (Ostariophysi, Loricariidae)". Arquivos de Zoologia (São Paulo). 28 (4): 1–37.