Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Acestrorhamphinae
Etymology: Ctenobrycon: Greek, kteis, ktenos = comb + Greek, bryko = to bite (Ref. 45335).
Eponymy: This is a toponym referring to the Río Magdalena, western Colombia, where these species are found. (Ref. 128868), visit book page.
More on authors: Eigenmann & Henn.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: Colombian rivers and the Catatumbo River basin.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 17.3 cm SL male/unsexed; (Ref. 96636); max. published weight: 108.10 g (Ref. 96636)
Inhabits swamps or marshes and rivers (Ref. 26543). Omnivore, feeds on plants, phytoplankton and invertebrates mixed with slime (Ref. 26543).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Galvis, G., J.I. Mojica and M. Camargo, 1997. Peces del Catatumbo. Asociación Cravo Norte, Santafé de Bogotá, D.C., 188 p. (Ref. 26543)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
Download XML
Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01622 (0.00906 - 0.02903), b=3.03 (2.88 - 3.18), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.6 ±0.21 se; based on food items.
Resilience (Ref.
120179): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (11 of 100).
🛈
