Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Loricariinae
Etymology: dissidens: From the Latin word 'dissidens' meaning disagreeing, dissident; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: Tapajós River basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 15.2 cm SL male/unsexed; (Ref. 36389)
Morphology | Morphometrics
Abdominal plates complete and reduced. Narrow interorbital distance 3.8-4.6 times in HL. Short pectoral spine 4.1-4.8 times in SL. Stomach reduced to small curve and almost indistinguishable from the rest of the intestine which is large, 9-10 times SL. Keeled lateral plates, 28-31 (Ref. 40703).
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. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00347 (0.00162 - 0.00743), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.5 ±0.2 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .
Climate Vulnerability (Ref. 125649
): (0 of 100) .