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: Ancistrus: Greek, agkistron = hook (Ref. 45335); agostinhoi: Named for Ângelo Antônio Agostinho; a patronym.
Environment / Climate / Range
Ecology
Freshwater; benthopelagic. Tropical, preferred ?
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 9.6 cm SL male/unsexed; (Ref. 83296); 7.6 cm SL (female)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 1;
Dorsal
soft rays
(total): 7;
Anal
spines: 1;
Anal
soft rays: 3 - 4. This species differs from its congeners inhabiting the Río de La Plata and coastal basins of southern Brazil, except A. abilhoai, A. formoso, A. mullerae, A. multispinis and A. taunayi by possessing a maxillary barbel shorter and not free from lower lip (vs. longer and free from lower lip); from A. abilhoai by having the width of mandibulary teeth row 15.8-19.3% of HL (vs. 13.4-15.5%) and 38.4-53.6% of interorbital width (vs. 32.9-37.9%); from A. formoso by orbital diameter 12.3-17.3% of HL (vs. 8.3-8.7%), caudal peduncle depth 10.6-12.0% of SL (vs. 7.8-8.7%) and number of dentary teeth 38-78 (vs. 110); from A. multispinis and A. taunayi by occipital depth 18.8-22.0% of SL (vs. 16.2-18.0% and 17.3-17.9%, respectively); from A. mullerae by occipital depth 18.8-22.0% of SL (vs. 15.4-18.8%) and head length 37.8-41.4% of SL, mean = 38.9% (vs. 34.4-37.9%, mean= 36.3%) (Ref. 83296).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Bifi, A.G., C.S. Pavanelli and C.H. Zawadzki, 2009. Three new species of Ancistrus Kner, 1854 (Siluriformes: Loricariidae) from the Rio Iguaçu basin, Paraná State, Brazil. Zootaxa 2275:41-59. (Ref. 83296)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
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