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); aguaboensis: Named for Água Boa, its type locality; an adjective.
Issue
No later work.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Upper Tocantins River basin.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.7 cm SL male/unsexed; (Ref. 36713)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal spines: 1; Anal soft rays: 4; Vertebrae: 28. A small species with very depressed, wide body; short dorsal fin (3.6-4.1 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 6-7. Short interdorsal distance, 5.1-5.5 times in SL.
Facultative or obligate air-breathing (Ref. 126274); Occurs in an area characterized by riffles with predominantly rocky substratum with some gravel and sand.
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 2024-1)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01479 (0.00633 - 0.03455), b=2.99 (2.81 - 3.17), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).