Jupiaba citrina  Zanata & Ohara, 2009

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Jupiaba citrina
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Characidae (Characins) > Incertae sedis
Etymology: Jupiaba: An indigenous word from Brazil, in the region where Angela (Ichthyologist) was born and discovered several new fishes. (Personal communication from Barry Chernoff, Curator Fishes/Museum of Chicago;  citrina: From the Latin citrus, meaning lemon, orange, in allusion to the orange-yellowish coloration of body portions of the species in life.

Environment / Climate / Range Ecology

Freshwater; pelagic.   Tropical; 8°S - 9°S, 60°W - 61°W

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 6.1 cm SL male/unsexed; (Ref. 83383)

Short description Morphology | Morphometrics

Jupiaba citrina is distinguished from its congeners (except J. abramoides (Eigenmann), J. anteroides, and J. poranga Zanata) by its color pattern, consisting of two vertically-elongated humeral blotches, the anterior usually with a darker median portion forming an horizontally elongated trace pointed anteriorly, and a well defined dark longitudinal line extending from the second humeral blotch to the caudal peduncle. The new species differs from J. abramoides, J. anteroides, and J. poranga by having an horizontally-elongated blotch on caudal peduncle that extends continuously to the distal tip of the caudal-fin median rays (vs. dark line not forming blotch on caudal peduncle and posterior end of this line isolated from dark blotch over caudalfin rays by a clear area). Jupiaba citrina differs from various congeners (except J. abramoides, J. anteroides, J. apenima, J. asymmetrica (Eigenmann), J. poranga, and J. yarina Zanata), by having the predorsal median area without a series of scales (vs. predorsal median area with a series of organized scales). Jupiaba citrina differs further from J. poranga and also J. yarina by its lower number of perforated scales (47-51 vs. 56-66) and lower number of scales between dorsal-fin origin and lateral line [10-11 (one specimen with 12) vs. 12-15] and between lateral line and origin of pelvic fin (8-9 vs. 10-13). From J. apenima it differs also by having lower number of perforated scales (47-51 vs. 55-59). The new species can be additionally distinguished from part of its congeners (J. acanthogaster, J. atypindi Zanata, J. keithi (Géry et al.), J. maroniensis (Géry et al.), J. meunieri (Géry et al.), J. kurua Birindelli et al., J. minor (Travassos), J. pinnata (Eigenmann), and J. poekotero Zanata & Lima) by having teeth with a distinctly larger median cusp and dentary teeth decreasing abruptly in size posteriorly (vs. median teeth cusp similar in size to the remaining cusps and dentary teeth decreasing gradually in size towards posterior portion). From the remaining species, J. citrina differs further from J. iasy (Netto- Ferreira et al.), J. mucronata (Eigenmann), J. ocellata (Géry et al.), J. paranatinga (Netto-Ferreira et al.), J. pirana Zanata, J. polylepis, J. potaroensis (Eigenmann), and J. zonata by having higher number of perforated scales (47-51 vs. 33-45), and from J. elassonaktis Pereira & Lucinda, J. essequibensis (Eigenmann), and J. scologaster (Weitzman & Vari) by having higher number of branched anal-fin rays (24-27 vs. 17-23 (Ref. 83383).

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

South America: Brazil. Rio Aripuanã, rio Madeira basin, Amazonas and Mato Grosso States (Ref. 83383).

Biology     Glossary (e.g. epibenthic)

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

Main reference Upload your references | References | Coordinator | Collaborators

Zanata, A.M. and W.M. Ohara, 2009. Jupiaba citrina, a new species from rio Aripuanã, rio Madeira basin, Amazonas and Mato Grosso States, Brazil (Characiformes: Characidae). Neotrop. Ichthyol. 7(4):513-518. (Ref. 83383)

IUCN Red List Status (Ref. 96402)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01202 (0.00426 - 0.03395), b=3.05 (2.81 - 3.29), based on LWR estimates for this Subfamily-body shape (Ref. 93245).
Resilience (Ref. 69278):  High, minimum population doubling time less than 15 months ().
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .