''Iheringichthys megalops'', is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of demersal

catfish Catfish (or catfishes; order Siluriformes or Nematognathi) are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the three largest species alive, ...

of the family

Pimelodidae The Pimelodidae, commonly known as the long-whiskered catfishes, are a family of catfishes ( order Siluriformes). Taxonomy The family Pimelodidae has undergone much revision. Currently, it contains about 30 genera and about 90 recognized and kno ...

that is native to Paraná River basin of Paraguay.

Description

The tip of adpressed dorsal fin comes close to the adipose-fin origin as well as the tip of the pectoral fin is close to the pelvic-fin origin and the tip of pelvic fin reaches the anal-fin origin. It has a distinct serrae on the anterior and especially the posterior pectoral spine margins. It has small spots distributed all over the flank or with spots faint in the posterior portion of body.

References

External links

Morphological development of Hypophthalmus fimbriatus and H. marginatus post-yolk-sac larvae (Siluriformes: Pimelodidae)
{{Taxonbar, from=Q3763214 Pimelodidae Catfish of South America Fish described in 1907