Actinopteri (ray-finned fishes) > Siluriformes
(Catfishes) > Loricariidae
(Armored catfishes) > Hypostominae
Etymology: Hypancistrus: Greek, hypo = under + Greek, agkistron = hook (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Freshwater; benthopelagic. Tropical
South America: Upper Negro, Casiquiare and upper Orinoco River basin in Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 12.6 cm SL male/unsexed; (Ref. 41483)
Morphology | Morphometrics
soft rays: 3 - 4. Body coloration brown to black, with large white to yellow spots on the sides. Ventral surface from head to anus largely naked in adults, few small platelets on skin ventral to pectoral girdle. Lateral plates unkeeled although ventral row may have moderately elongate odontodes forming 1 or more keel-like rows on caudal peduncle. Cheek plates with 20-40 hypertrophied odontodes in adults. Caudal fin emarginate. Lateral line plates 22-24; below dorsal fin 7-8; interdorsal 3-5; adipose caudal 8-10; postanal 11-13; caudal peduncle 5.
Specimens collected from rocks and rapids. Stomach contents include algae and detritus; also seeds (dicotyledonous and monocotyledonous seeds) (Ref. 41483).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Female deposits the eggs in caves; male defends the spawning place.
Armbruster, J.W., 2002. Hypancistrus inspector: a new species of suckermouth armored catfish (Loricariidae: Ancistrinae). Copeia 2002(1):86-92. (Ref. 41483)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00668 - 0.03127), b=2.97 (2.79 - 3.15), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.0 ±0.00 se; based on food items.
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .