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); sabaji: Named for Dr. Mark Henry Sabaj, collection manager of Ichthyology, Academy of Natural Sciences of Philadelphia, for his tremendous help in collecting specimens throughout South America (Ref. 50590).
Placed under Ancistomus in the aquarium domain.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; demersal. Tropical; 6°N - 1°N, 68°W - 58°W
South America: Rupununi, Essequibo, and Takutu river drainages of Guyana, and from Río Casiquiare - Río Negro and the Río Cinaruco - Río Orinoco drainages of Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.8 cm SL male/unsexed; (Ref. 50590)
Morphology | Morphometrics
soft rays: 4. Small spots on the head with spots becoming very large on the caudal peduncle and caudal fin; body very elongated; odontodes on opercle absent, rarely with one or two odontodes in adults (Ref. 50590).
Found in medium to large rivers among boulders (Ref. 50590).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Armbruster, J.W., 2003. Peckoltia sabaji, a new species from the Guyana Shield (Siluriformes: Loricariidae). Zootaxa 344:1-12. (Ref. 50590)
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=0.00912 (0.00533 - 0.01560), b=3.12 (2.97 - 3.27), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245
Resilience (Ref. 69278
Vulnerability (Ref. 59153
): Low vulnerability (14 of 100) .