Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Siluriformes
(Catfish) > Loricariidae
(Armored catfishes) > Ancistrinae
Etymology: Hemiancistrus: Greek, hemi = the half + Greek, agkistron = hook (Ref. 45335); spilomma: From the small dark spots on the upper portion of the eye; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.2 cm SL male/unsexed; (Ref. 49598)
Morphology | Morphometrics
soft rays: 4. Elongate odontode on cheek 40-60. No dark spots on the ventral surface of head and body. Fins and lateral and dorsal plates of head and body with numerous dark dots. First anal-fin pterygiophore greatly expanded and exposed. Eyes large, dorsoventrally placed. Lips well-developed, occupying most of ventral surface; lower lip mostly covered with papillae, except for a smooth band near border of lips. Caudal fin I, 14, I; slightly concave, upper lobe shorter than lower lobe (Ref. 49598).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Cardoso, A.R. and P.H.F. Lucinda, 2003. Three new species of Hemiancistrus (Teleostei: Siluriformes: Loricariidae) from the rio Tocantins basin with comments on the genus. Ichthyol. Explor. Freshwat. 14(1):73-84. (Ref. 49598)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00741 (0.00355 - 0.01547), b=3.08 (2.90 - 3.26), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .