Classification / Names
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Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: wallacei: 'wallacei', i.e., named in honor of naturalist Aflred Russel Wallace (Ref. 128884).
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical
वितरण
देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri
South America: Brazil.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 2.8 cm SL पुल्लिंग / अलिंग; (Ref. 128884); 2.9 cm SL (female)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
This is distingiushed by the irregular positioning of red dots on the flank of males, that is about half a pupil in diameter, and has a short pelvic fin, not surpassing urogenital papilla at the posterior. For females, the caudal fin has 5 to 8 dark grey to black bars and a rounded black spot smaller than eye. This species has 33 to 36 longitudinal series scales, 13 to 15 anal-fin rays, 28 to 31 caudal-fin rays.
This freshwater fish is found in streams, in the southern Rio Amazonas basin. The largest specimens examined are from Brazil (Ref. 128884).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Costa, W.J.E.M., 2016. Comparative morphology, phylogenetic relationships, and taxonomic revision of South American killifishes of the Melanorivulus zygonectes species group (Cyprinodontiformes: Rivulidae). Ichthyological Exploration of Freshwaters 27(2):107-152. (Ref. 128884)
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].
Bayesian length-weight: a=0.00661 (0.00311 - 0.01404), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.1 ±0.4 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).
