Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Pimelodidae (Long-whiskered catfishes)
Etymology: Pimelodus: Greek, pimele = fat + Greek, odous = teeth (Ref. 45335); joannis: Named for John Lundberg, in recognition of his many contributions to catfishes systematics.

Environment / Climate / Range Ecology

Freshwater; demersal. Tropical, preferred ?

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South America: Rio Tocantins drainage, Brazil.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.7 cm SL male/unsexed; (Ref. 79502)

Short description Morphology | Morphometrics

Dorsal spines (total): 2; Dorsal soft rays (total): 6; Vertebrae: 40. Diagnosed from all other species of the genus Pimelodus, except Pimelodus halisodous, Pimelodus jivaro, Pimelodus ornatus, Pimelodus pictus, and Pimelodus stewarti, by its supraoccipital process with a dorsal median crest; posterior nostril closer to anterior orbital border (vs. posterior nostril closer to anterior nostril than to anterior orbital border); distal portion of dorsal-fin rays 2-4 with a dark spot; caudal- fin base with two dark blotches. Distinguished from Pimelodus jivaro by having a shorter maxillary barbel, extending only slightly past caudal-fin base (vs. maxillary barbel extending beyond caudal-fin base); distal portion of dorsal-fin rays 2-4 with a dark spot, and caudal-fin base with two dark blotches. Differs from Pimelodus ornatus and Pimelodus pictus by the uniform grayish to yellowish coloration (vs. presence of bands or dark dots along flanks, respectively); from Pimelodus stewarti by its shorter posterior cleithral process (10.2-12.4 vs. 12.7-15.6 % of SL); caudal-fin base two dark blotches; and supraoccipital process with dorsal median crest; from Pimelodus halisodous by its shorter pectoral-spine (15.5-18.5 vs. 20.0-23.5% of SL); shorter snout (35.8-41.8 vs. 43.1-47.9% of HL); and fewer premaxillary tooth rows (5-9 vs. 13-16) (Ref. 79502).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Ribeiro, F.R.V., C.A.S. Lucena and P.H.F. Lucinda, 2008. Three new Pimelodus species (Siluriformes: Pimelodidae) from the rio Tocantins drainage, Brazil. Neotrop. Ichthyol. 6(3):455-464. (Ref. 79502)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

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Pimelodus joannis Ribeiro, Lucena & Lucinda, 2008