Classification / Names
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Siluriformes (Catfishes) >
Doradidae (Thorny catfishes) > Astrodoradinae
Etymology: Amblydoras: Greek, amblys = darkness + Greek, dora = skin (Ref. 45335); nheco: Genus name from the Greek meros (= part, portion), in reference to the incomplete lateral line, plus the suffix –doras, as traditionally applied to genera in this family. Gender masculine. Specific name toponymic with reference to the town of Nhecolândia,.
Environment: milieu / climate zone / depth range / distribution range
Ecología
; agua dulce bentopelágico. Tropical; 16°S - 19°S, 55°W - 56°W
Distribución
Países | Áreas FAO | Ecosistemas | Ocurrencias, apariciones | Point map | Introducciones | Faunafri
South America: Brazil, Estado do Mato Grosso do Sul: município de Rio Verde de Mato Grosso, Rio Anhuma, tributary of Rio Negro (Paraguay basin) (Ref. 58340)
Tamaño / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL macho / no sexado; (Ref. 81048)
Short description
Claves de identificación | Morfología | Morfometría
Merodoras is diagnosed from all other doradids by having midlateral plates with medial thorns directed ventrally in adults, and from all doradids except Physopyxis cristata by having an incomplete lateral line. Merodoras also is diagnosed by the unique combination of the following characteristics: pectoral girdle entirely exposed ventrally, with the opening for the arrector ventralis inferior reduced to a small fossae on anterior edge of coracoid; caudal fin truncate; dorsal-fin spine smooth, without serrae; lacrimal serrated; lateral ethmoid serrated (Ref. 58340)
Life cycle and mating behavior
Maturities | Reproducción | Spawnings | Egg(s) | Fecundities | Larva
Higuchi, H., J.L.O. Birindelli, L.M. Sousa and H.A. Britski, 2007. Merodoras nheco, new genus and species from Rio Paraguay basin, Brazil (Siluriformes, Doradidae), and nomination of the new subfamily Astrodoradinae. Zootaxa 1446:31-42. (Ref. 58340)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Herramientas
Special reports
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Fuentes de Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Nivel trófico (Ref.
69278): 2.6 ±0.1 se; based on size and trophs of closest relatives
Resiliencia (Ref.
120179): Alto, población duplicada en un tiempo mínimo inferior a 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
