Classification / Names
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Characiformes (Characins) >
Characidae (Characins; tetras) > Stethaprioninae
Etymology: Deuterodon: Greek, deuter = second + Greek, odous = teeth (Ref. 45335); pelecus: From the Greek pelekus, meaning axe, in allusion to the form of the dark pigmentation resulting from the junction of the humeral spot with the black midlateral stripe.
Environment: milieu / climate zone / depth range / distribution range
বাস্তুসংস্থান
; স্বাদু পানি সমুদতলে ভাসমান বেনথোপেলাজিক; গভীরতার পরিসীমা 0 - 1 m (Ref. 57404). Tropical
South America: Rio Pardo drainage in Bahia, Brazil.
আকৃতি / ওজন / Age
Maturity: Lm ? range ? - ? cm
Max length : 6.0 cm SL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 57404)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
কশেরুকা : 35. Distinguished from its congeners by the following combination of characters: body depth 26.7-34.8% SL, short but pointed snout, that is smaller than the orbital diameter, and anal fin with 16-18 branches rays. Differs from other members of the genus in its distinctive color pattern: with only one humeral spot limited to the region above lateral line series, and has a conspicuous midlateral body stripe extending from the upper margin of opercle to the caudal-fin base, a putative autapomorphy of this species (Ref. 57404).
The type locality during dry season is about 10-20 m wide large river, with clear water, 0.1-1.0 m deep, alternating lentic stretches and rapids, with riparian vegetation including grasses and with bottom consisting of stones, rocks, sand and mud (Ref. 57404).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | ডিমসমূহ | ডিম্বধারন ক্ষমতা | শুককীট
Terán, G.E., M.F. Benitez and J.M. Mirande, 2020. Opening the Trojan house: phylogeny of Astyanax, two genera and resurrection of Psalidodon (Teleostei: Characidae). Zool. J. Lin. Soc. 190(4):1217-1234. (Ref. 123753)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
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ইন্টারনেট সুত্র
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=0.01096 (0.00498 - 0.02415), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): উচ্চ, সর্বনিম্ন প্রজন দ্বিগুনের সময় ১৫ মাস (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
