Pseudohemiodon Explained

Pseudohemiodon is a genus of armored catfishes native to South America.

Species

There are currently seven recognized species in this genus:

• Pseudohemiodon amazonus (Delsman, 1941)
• Pseudohemiodon apithanos Isbrücker & Nijssen, 1978
• Pseudohemiodon devincenzii (Señorans, 1950)
• Pseudohemiodon laminus (Günther, 1868)
• Pseudohemiodon laticeps (Regan, 1904)
• Pseudohemiodon platycephalus (Kner, 1853)
• Pseudohemiodon thorectes Isbrücker, 1975

Distribution

Pseudohemiodon is distributed in the Amazon, Orinoco, and Paraná River basins.^[1]

Description

The body of Pseudohemiodon species is very flat and the pelvic fins are used mainly for locomotion on sand. Sexual dimorphism is unknown.^[1]

Ecology

Like other members of the Pseudohemiodon group, Pseudohemiodon occurs primarily over sandy substrates.^[1] Also like the other genera in the Pseudohemiodon group, species of this genus are abdomino-lip brooders. The very large eggs are incubated by the male.^[1]

Notes and References

1. The genera of the Neotropical armored catfish subfamily Loricariinae (Siluriformes: Loricariidae): a practical key and synopsis. Raphael. Covain. Fisch-Muller, Sonia . Zootaxa. 1462. 1–40. 2007. 10.11646/zootaxa.1462.1.1 .