Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) >
Siluriformes (Catfish) >
Trichomycteridae (Pencil or parasitic catfishes) > Glanapteryginae
Etymology: Pygidianops: Greek, pyge = rump + Gree, ops = appearance (Ref. 45335); magoi: Named for the late Professor Francisco Mago-Leccia, in recognition of his participation in the discovery of this species and his innumerable contributions to northern South American ichthyology.
Environment / Climate / Range
Ecology
Freshwater; demersal. Tropical, preferred ?
South America: lower Rio Orinoco in Venezuela.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL male/unsexed; (Ref. 56682)
Short description
Morphology | Morphometrics
Dorsal
spines
(total): 0;
Dorsal
soft rays
(total): 0;
Anal
spines: 0;
Anal
soft rays: 0;
Vertebrae: 35 - 41. Diagnosed from all its congeners by the absence of pectoral and anal fins, posterior naris absent, four laterosensory pores on the head, and presence of 9-10 caudal fin rays. Differs from Pygidianops eigenmanni by the absence of eyes (Ref. 56682).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Schaefer, S.A., F. Provenzano, M. de Pinna and J.N. Baskin, 2005. New and noteworthy Venezuelan glanapterygine catfishes (Siluriformes, Trichomycteridae), with discussion of their biogeography and psammophily. Am. Mus. Novit. (3496):1-27. (Ref. 56682)
IUCN Red List Status (Ref. 109396)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), based on all LWR estimates for this body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.0 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months ().
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .