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> Siluriformes (Catfishes) > Heptapteridae (Three-barbeled catfishes)
Etymology: Brachyrhamdia: Greek, brachys, -eia = shor + Brazilian vernacular name, Nhamdia/Jamdia (Ref. 45335); thayeria: Name refers to Thayeria Eigenmann (1908), a genus of South American characin that has a similar diagonal dark stripe on the caudal peduncle. Also named for Nathaniel Thayer Jr., a North American businessman and philanthropist (Ref. 094149).

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

; स्वच्छ जल, अलवण जल ड़िमरसल. Tropical

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South America: Brazil.

आकार / वज़न / Age

Maturity: L_m ? range ? - ? cm
Max length : 5.4 cm SL पुल्लिंग / अलिंग; (Ref. 94149)

Short description पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स

This species can be distinguised from all its congeners by a dark brown stripe at caudal region extending transversely from region immediately below middle of adipose-fin base to the base of the ventral caudal-fin lobe. Differs from B. rambarrani by the having the supraoccipital process nearly triangular (vs. roughly rectangular). Also differs from B. heteropleura, B. marthae, and B. meesi by the following set of characters: 35-36 vetebrae (vs. 37-39), and absence of dark lateral band along the trunk (vs. distinct stripe in B. marthae and B. meesi, and faint stripe in B. heteropleura) (Ref. 94149).

Prefers small streams not prone to flooding and is associated with marginal vegetation or along sandy beaches in shallow streams (ca. 1 m depth), with sandy or silt bottom substrate (Ref. 94149).

Life cycle and mating behavior Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा

Main reference Upload your references | संदर्भ | संयोजक : Bockmann, Flavio | सहयोगीयो

Slobodian, V. and F.A. Bockmann, 2013. A new Brachyrhamdia (Siluriformes: Heptapteridae) from Rio Japurá basin, Brazil, with comments on its phylogenetic affinities, biogeography and mimicry in the genus. Zootaxa 3717(1):001-022. (Ref. 94149)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 05 November 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

अधिक जानकारी

Trophic ecology
खाद्य पदार्थ
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Ecology
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Population dynamics
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Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversions
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Abundances

Life cycle
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Maturities
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Distribution
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Anatomy
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इंटरनेट स्रोत

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00776 (0.00362 - 0.01664), b=2.98 (2.80 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±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).

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Brachyrhamdia thayeria Slobodian & Bockmann, 2013