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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Hypostomus: Greek, hypo = under + Greek, stoma = mouth (Ref. 45335); leucophaeus: From the Latin leucophaeus, meaning ash-colored, dun in allusion to the faint spotted pattern and overall light brown to grayish body coloration of the species..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce bentopelágico. Tropical
South America: Rio Itapicuru basin in Bahia State, Brazil.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 15.8 cm SL macho/indeterminado; (Ref. 110236)
Descrição suscinta
Morfologia | Morfometria
Espinhos dorsais (total): 2; Raios dorsais (total): 7; Espinhos anais 1; Raios anais : 3 - 4; Vértebras: 31. Hypostomus leucophaeus can be differentiated from most congeners by having the lower caudal-fin lobe distinctly longer than the upper lobe, presence of a roughly triangular patch of platelets on ventral surface of body, and absence of conspicuous dark spots on posterior half of body. It is distinguished from congeners from northeastern coastal Brazilian drainages and the rio São Francisco basin by having the anterior portion of the abdomen completely plated and the posterior portion plated only on a narrow median line, leaving large lateral areas naked, dark spots on anterior portion of trunk similar in size or slightly larger than those on head, absence of conspicuous spots on posterior half of trunk and caudal fin, and absence of keels on head and trunk (Ref. 110236).
Facultative air-breathing in the genus (Ref. 126274); Collected from the rio Itapicuru and its tributaries, in stretches of up to 50 m wide and 1.8 m deep, with rocky bottom, usually clear water, moderate to fast water current, and at altitudes ranging from 38 to 449 meters above sea level (Ref. 110236).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Zanata, A.M. and B.R. Pitanga, 2016. A new species of Hypostomus Lacépède, 1803 (Siluriformes: Loricariidae) from rio Itapicuru basin, Bahia State, Brazil. Zootaxa 4137(2):223-232. (Ref. 110236)
Status na Lista Vermelha da UICN (Ref. 130435)
Ameaça para os humanos
Harmless
Uso pelos humanos
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Estimates based on models
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00450 - 0.02327), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Resiliência (Ref.
120179): Elevada, tempo mínimo de duplicação da população menor que 15 meses (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
