分類 / 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
生態学
; 新鮮な水 底生の. Tropical; 23°C - ? (Ref. 95500)
South America: Rio dos Patos basin, upper rio Tocantins basin in Brazil.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 3.7 cm SL オス/雌雄の選別がない; (Ref. 95500)
簡単な記述
検索表 | 形態学 | 形態計測学
背面の脊椎 (合計) : 1; 背鰭 (合計) : 6; 脊つい: 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).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 幼生
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)
Human uses
用具
特記事項
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インターネットの情報源
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=0.01000 (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).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
