Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Loricariinae
Etymology: duriventris: Named for its hard abdomen; noun in apposition.
Eponymy: Charles Frederick Hartt (1840–1878) was a Canadian geologist, palaeontologist and naturalist, who was a member of the Thayer Expedition (1865–1866) to Brazil, a country in which he was a specialist. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Tocantins River, above Tucurui dam in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.8 cm SL male/unsexed; (Ref. 36389)
Head and body deep; short head, 4.1-4.6 times in SL. Body and head yellow to brown , inconspicuously dotted. Ventral surface of head and upper lip darker than the rest of the uniformly, plain yellow body. Abdomen densely plated, plates reduced in size. Pectoral spine short, 3.9 - 4.5 times in SL. Keeled lateral plates, 29-30. Supraopercle not covered by skin. Rictal barbels reduced and attached to the lower lip by a short membrane.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Rapp Py-Daniel, L.H. and E.C. Oliveira, 2001. Seven new species of Harttia from the Amazonian-Guyana region (Siluriformes: Loricariidae). Ichthyol. Explor. Freshwat. 12(1):79-96. (Ref. 39753)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00262 - 0.01262), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.5 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).