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: Hypancistrus: Greek, hypo = under + Greek, agkistron = hook (Ref. 45335); phantasma: The specific epithet phantasma is Latin for 'phantom,' referring to its elusiveness (the described specimens represent the only known specimens, despite nearly a century passing since their collection) and its pale body coloration. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical
South America: Rio Uaupes, Rio Negro drainage, Amazon basin in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.3 cm SL male/unsexed; (Ref. 114591)
Morphology | Morphometrics
soft rays: 4 - 5. Hypancistrus phantasma differs from all other species of Hypancistrus by its color pattern consisting of a tan base coloration with black spots (vs. a color pattern consisting of a dark base coloration and light spots as in H. contradens, H. inspector, H. lunaorum and H. margaritatus or a color pattern consisting of saddles, vermiculations, bands, or stripes as in H. furunculus, H. debilittera, and H. zebra (Ref. 114591).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Tan, M. and J.W. Armbruster, 2016. Two new species of spotted Hypancistrus from the Rio Negro drainage (Loricariidae, Hypostominae). ZooKeys 552:123-135. (Ref. 114591)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .