Actinopteri (ray-finned fishes) > Characiformes
(Characins) > Characidae
(Characins; tetras) > Stethaprioninae
Etymology: Paracheirodon: Greek, para = the side of + Greek, cheir = hand + Greek, odous = teeth (Ref. 45335). More on author: Myers.
Environment: milieu / climate zone / depth range / distribution range
Freshwater; pelagic; pH range: 5.0 - 7.0; dH range: 1 - 2. Tropical; 20°C - 26°C (Ref. 1672)
South America: Blackwater or clearwater stream tributaries of the Solimões River.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.2 cm SL male/unsexed; (Ref. 38376)
Feeds on worms, small insects, crustaceans and plant matter. In tank, female lays a relatively small number of eggs, which hatch in about 24 hours (Ref. 7020). Most popular aquarium fish. Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. World fishes important to North Americans. Exclusive of species from the continental waters of the United States and Canada. Am. Fish. Soc. Spec. Publ. (21):243 p. (Ref. 4537)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
Aquarium: highly commercial
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00561 - 0.02578), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 2.9 ±0.32 se; based on food items.
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (tm<1).
Vulnerability (Ref. 59153
): Low vulnerability (10 of 100) .