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Odontostilbe pulchra (Gill, 1858)

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Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Characidae (Characins; tetras) > Cheirodontinae
Etymology: Odontostilbe: Greek, odous = teeth + Greek, stilbe, es = lamp (Ref. 45335).
More on author: Gill.

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

; Γλυκού νερού βενθοπελαγικό. Tropical

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Central America: Trinidad Island in Trinidad and Tobago; widespread in río Orinoco basin, smaller coastal drainages of Venezuela, Lake Valencia system and the rio Essequibo basin. A spot occurrence in the upper rio Demini, rio Negro, Amazonas basin, though represented by a unique mature male.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.7 cm SL αρσενικό/απροσδιόριστο; (Ref. 75063); 3.7 cm SL (female)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Μαλακές ραχιαίες ακτίνες (συνολικά) : 11. Distinguished from most other members of the genus Odontostilbe by having a remarkably long anal-fin base 26.0-33.5% SL, with only Odontostilbe nareuda has a similarly long anal-fin base length 31.3-32.8% SL, but can be differentiated from Odontostilbe pulchra in having anal-fin rays 24-26 (vs. 17-24, usually 19-22 in Odontostilbe pulchra). In addition, mature males of Odontostilbe pulchra differ from Odontostilbe fugitiva, Odontostilbe ecuadorensis, Odontostilbe dierythrura, Odontostilbe parecis, Odontostilbe paraguayensis, Odontostilbe microcephala, Odontostilbe splendida, and Odontostilbe pao by possessing hooks on the 1st to 22nd anal-fin branched rays of males, practically on all branched anal-fin rays (vs. 1st to 9th, mostly 6th-7th, anal-fin branched rays of males with hooks); distal border of anal fin slightly concave to almost straight in mature males (vs. distal border concave); longer pectoral fin passing a vertical through pelvic-fin origin (vs. shorter pectoral fin reaching but not trespassing to vertical through pelvic-fin origin), almost absence of elongation of the 2nd unbranched dorsal-fin ray (vs. noticeably elongate 2nd unbranched dorsal-fin ray). Furthermore, males, females and unsexed specimens differ from Odontostilbe fugitiva by having longer upper jaw 26.8-32.5% HL (vs. 23.4-30.0% HL). The snout length in males separates Odontostilbe pulchra (18.0-26.0% HL, mean 21.8%) from the sympatric species Odontostilbe splendida with 24.1-26.9% HL, mean 25.2% HL, and Odontostilbe pao with 26.7-30.6 HL, mean 28.6% HL (Ref. 75063).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Life cycle and mating behavior Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες

Main reference Upload your references | Αναφορές | Συντονιστής | Συνεργάτες

Bührnheim, C.M. and L.R. Malabarba, 2007. Redescription of Odontostilbe pulchra (Gill, 1858) (Teleostei: Characidae: Cheirodontinae), and description of two new species from the río Orinoco basin. Neotrop. Ichthyol. 5(1):1-20. (Ref. 75063)

IUCN Red List Status (Ref. 130435: Version 2024-2)

  Least Concern (LC) ; Date assessed: 11 October 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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Διαδικτυακές πηγές

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Γένος, Είδη | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Δέντρο Ζωής | Wikipedia: Go, αναζήτηση | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00401 - 0.02074), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  2.5   ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref. 120179):  Υψηλό, ελάχιστος χρόνος για διπλασιασμό πληθυσμού < 15 μήνες (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).