Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Ancistrus: Greek, agkistron = hook (Ref. 45335); minutus: Named for its small size.
Issue
No later work.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Upper Tocantins tributaries upstream of the dam of Serra da Mesa in Goiás, Brazil.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 5.7 cm SL male/unsexed; (Ref. 36713)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 1; Dorsal soft rays (total): 6 - 7; Anal spines: 1; Anal soft rays: 4; Vertebrae: 28 - 29. Small, wide, and very depressed body; short dorsal fin (3.9-4.6 times in SL); wide mouth; a small area of supraoccipital plate often depressed, slightly granular or without odontodes; exposed part of nuchal plate minute or totally covered by skin; dorsal and fins brownish with numerous small whitish spots, lips and belly yellowish, totally or mostly unpigmented. Dermal plates along dorsal-fin base 7-8. Short interdorsal distance, 5.5-6 times in SL.
Body shape (shape guide): elongated.
Facultative or obligate air-breathing (Ref. 126274)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fisch-Muller, S., R. Mazzoni and C. Weber, 2001. Genetic and morphological evidences for two new sibling species of Ancistrus (Siluriformes: Loricariidae) in upper rio Tocantins drainage, Brazil. Ichthyol. Explor. Freshwat. 12(4):289-304. (Ref. 40950)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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