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Teleostei (teleosts) > Characiformes (Characins) > Characidae (Characins; tetras) > Stevardiinae
Etymology: weitzmani: Lophiobrycon: Greek lophia = crest (in reference to the elongate adipose fin in mature males). weitzmani: Dedicated to Stanley H. Weitzman for his work on Neotropical Characiformes, especially on the subfamily Glandulocaudulinae (Cha.
Eponymy: Dr Stanley Howard Weitzman (1927–2017) was an American ichthyologist who was Research Scientist Emeritus, Division of Fishes, Department of Invertebrate Zoology, at the National Museum of Natural History, Smithsonian and a professor at George [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecology

Freshwater; benthopelagic; pH range: 6.9 - 7.0. Tropical; 19°C - 21°C (Ref. 52251); 20°S - 21°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

South America: Upper Paraná River basin (Brazil).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 2.9 cm SL male/unsexed; (Ref. 52251); 2.7 cm SL (female)

Most of the specimens were caught in a flooded/marshy area draining into the stream, with little current on a muddy bottom with a large amount of decomposing litter. Few specimens were caught in the stream itself, in a margin area of slower current under riparian vegetation over a bottom of rocks, pebbles and sand, with submerged litter only on the bottom of the larger and deeper pools. The species eats mainly aquatic and terrestrial arthropods. Sexual dimorphism (Ref. 52251).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Castro, R.M.C., A.C. Ribeiro, R.C. Benine and A.L.A. Melo, 2003. Lophiobrycon weitzmani, a new genus and species of glandulocaudine fish (Characiformes: Characidae) from the rio Grande drainage, upper rio Paraná system, southeastern Brazil. Neotrop. Ichthyol. 1(1):11-19. (Ref. 52251)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Endangered (EN) (B2ab(ii,iii)); Date assessed: 07 November 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

More information

Trophic ecology
Food items
Diet composition
Food consumption
Food rations
Predators

Ecology
Ecology

Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
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Abundance

Life cycle
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Maturity
Maturity/Gills rel.
Fecundity
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Eggs
Egg development
Larvae
Larval dynamics

Distribution
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Anatomy
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Brain
Otolith

Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)

Genetics
Genetics
Heterozygosity
Heritability

Human related
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Stamps, coins, misc.

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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00955 (0.00443 - 0.02057), b=3.06 (2.88 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±0.42 se; based on food items.

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Lophiobrycon weitzmani Castro, Ribeiro, Benine & Melo, 2003