Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Hyphessobrycon: Greek, hyphesson, -on, -on = a little smaller + Greek, bryko = to bite (Ref. 45335); comodoro: Named for its type locality, Municipality of Comodoro, Mato Grosso State, and it is also the name of a senior naval rank used in many navies, which inspired the municipality’s name; noun in apposition..
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक; गहराई सीमा 0 - 2 m (Ref. 128640). Tropical
South America: Brazil.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 3.9 cm SL पुल्लिंग / अलिंग; (Ref. 128640)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
This species is distinguished from all its congeners, except Hyphessobrycon cachimbensis, H. cyanotaenia, H. fernandezi, H. melanostichos, H. nigricinctus, H. paucilepis, H. petricolus, H. piranga, H. psittacus, H. scholzei, H. sovichthys, H. stegemanni, H. taphorni, H. tuyensis and H. vilmae by having a well-defined and relatively narrow dark midlateral stripe on body, extending from head to the middle caudal-fin rays (vs. no well-defined longitudinal stripe or stripe wider than the orbit, or stripe starting approximately vertically through the origin of the dorsal fin or stripe blurred posteriorly); differs from the aforementioned species, except H. cachimbensis, H. cyanotaenia, H. melanostichos, H. nigricinctus, H. petricolus, by having a humeral blotch
(vs. no humeral blotch absent); differs from H. cachimbensis, H. cyanotaenia by having the distal profile of the anal fin falcate in males (vs. approximately straight or convex) and from <>H. cachimbensis, H. petricolus, H. nigricinctus by having 13-16 branched anal-fin rays (vs. 17-26); differs further from H. cyanotaenia by lacking concentration of black pigmentation on longest rays of dorsal, pelvic, and anal fins (vs. pigmentation present); differs from H. melanostichos (the most similar congener) by having 11 or 12 horizontal scale rows around caudal peduncle (vs. 14), fewer branched pelvic-fin rays 6 (vs. 7), humeral blotch wider than
deep, with pigmentation much more intense than the dark midlateral band, with well-defined edges (vs. humeral blotch deeper than wide, with pigmentation similar to the dark midlateral band, without well-defined edges); differs from H. melanostichos by having 13-15 (mode 14, rarely 16 (only 3 of 30 specimens), branched anal-fin rays (vs. 16–18, mode 16) (Ref. 128640).
Collection areas are impoundments of tributaries of the rio Mutum formed by the road building, where the water is transparent, with maximum widths ranging 50-60 m and depth 0.3-2 m. The substrate is formed by sand, silt, and organic matter, with the presence of submerged aquatic macrophytes and large amounts of filamentous algae. The only other species collected syntopically was Hoplerythrinus unitaeniatus (Spix & Agassiz, 1829), which is probably a predator of the H. comodoro. The streams that form the lagoons are small, 2-4 m wide and 0.5-2 m deep, with clear rapid waters and a bottom composed of sand and leaf litter. Local vegetation is composed of secondary forest. The other known locality lies at the rio Mutum itself, downstream to the other two and here the new species occurs syntopically with Hyphessobrycon hexastichos and Hasemania nambiquara. The diet was mainly composed of resources autochthonous (91.6% of the volume of food items), mainly vegetable fragments (57.7%) and aquatic insects (32.7%). The vegetable fragments were composed of aquatic macrophyte structures and the aquatic insects were fragments of adults, larvae, and pupae of Diptera and larvae of Trichoptera, and Odonata). Specimens analyzed were collected in a region under moderate anthropogenic pressure, which may influence the diet of fish species. Further, damming streams to road building changes the taxonomic and functional of fish assemblages and limits the longitudinal dispersion. The transformation from lotic to lentic environments, with an increase in the width of the canopy-opening channel, creates pelagic and benthic areas that allow the proliferation of macrophytes and algae. Biological data taken from regions impacted by human action has high scientific value, but in the case of this species, it is crucial that the data also be available from less impacted environments (Ref. 128640).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Dagosta, F.C.P., T.J. Seren, A. Ferreira and M.M.F. Marinho, 2022. The emerald green tetra: a new restricted-range Hyphessobrycon (Characiformes: Characidae) from the upper rio Juruena, Chapada dos Parecis, Brazil. Neotropical Ichthyol. 20(1):e210119:1-15. (Ref. 128640)
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 = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic level (Ref.
69278): 2.9 ±0.3 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).
