Classification / Names
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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
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical
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.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.7 cm SL पुल्लिंग / अलिंग; (Ref. 75063); 3.7 cm SL (female)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण): 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).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
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)
Threat to humans
Harmless
Human uses
अधिक जानकारी
आम नामउपशब्दचपायचयपरभक्षीईकोटोकसीकोलौजीपुनरुत्पत्तिपरिपक्व अवधिमछलीऔ का अंडे देनाSpawning aggregationFecundityअंडेEgg development
Age/Sizeबाढ़Length-weightLength-lengthLength-frequenciesमौरफोमैटरिक्सआकृति विज्ञानलार्वालारवल गतिकीभर्तीबहुतायतBRUVS
संदर्भजलीयकृषिजलीयकृषि रूपरेखाखींचआनुवंशिकीElectrophoresesहैरेटिबिलटीबीमारीप्रक्रमणNutrientsMass conversion
सहयोगीयोतस्वीरेStamps, Coins Misc.ध्वनिसिगुयटिरारफ्तारतैरने के प्रकारगिल क्षेत्रOtolithsदिमागदृष्टि
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00388 - 0.02045), b=3.07 (2.87 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.5 ±0.5 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): ऊंचा, न्यूनतम जनसंख्या दुगनी समय अवलागत 15 महीने। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
