Common names from other countries
Classificação / Names
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Siluriformes (Catfishes) >
Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes)
Etymology: Microglanis: Greek, mikros = small + Greek, glanis = a fish that can eat the bait without touching the hook; a cat fish (Ref. 45335); maculatus: From the Latin adjective macula, meaning spotted, in reference to the dark brown spots on the trunk..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Tropical; 23°C - ? (Ref. 95500)
South America: Rio dos Patos basin, upper rio Tocantins basin in Brazil.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 3.7 cm SL macho/indeterminado; (Ref. 95500)
Descrição suscinta
Chaves de identificação | Morfologia | Morfometria
Espinhos dorsais (total) : 1; Raios dorsais (total) : 6; Vértebras: 32. Distinguished from all other species of Microglanis in having rounded spots on the flank. Differs also from its congeners, except M. robustus, by its emarginate caudal fin with upper lobe slightly longer than the lower and light spot in nuchal region very small or absent. Can be diagnosed from M. robustus by the following characters: anterior margin of pectoral-fin spine with single hook (vs. bifurcated hooks between antrorse and retrorse hooks); rays of pectoral fin I, 6 (vs. I, 5); anterior blotch of trunk U shaped (vs. inverted U shaped); dorsal and caudal fins with broad dark stripes (vs. thin); dorsal-fin spine length 6.9-11.1% SL (vs. 11.3-15.4% SL); pectoral-fin spine length 12.9-17.7% SL (vs. 16.4-20.6% SL); orbital diameter 11.5-12.6% SL (vs.14.7-16.4% SL); and mouth width 16.8-17.5% SL (vs. 11.4-13.2% SL) (Ref. 95500).
Collected at the mouth of a creek in ribeirão Pouso Alegre with adventitious roots of riparian trees along the banks. Collections were done on rocky bed above this area but no specimen was captured. The ribeirão Pouso Alegre is characterized by the following conditions: riparian vegetation in good state; bedrock, with sand, clay litter, logs and branches at the mouth; dissolved oxygen 7.8 mg/L; pH 7.65; conductivity 85ì S/cm; water temperature 22.5° C; mean depth 6.5±0.93 cm; mean width 4.1±0.66 m; and mean water speed 0.12±0.02 m/s (Ref. 95500).
Ciclo de vida ou comportamento de acasalamento
Maturities | Reprodução | Spawnings | Egg(s) | Fecundities | Larvas
Shibatta, O.A., 2014. A new species of Microglanis (Siluriformes: Pseudomipemodidae) from the upper rio Tocantins basin, Goiás State, Central Brazil. Neotrop. Ichthyol. 12(1):81-87. (Ref. 95500)
Status na Lista Vermelha da UICN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Ameaça para os humanos
Harmless
Uso pelos humanos
Ferramentas
Relatórios especiais
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Fontes da internet
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=0.01000 (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).
Nível Trófico (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
