分類 / Names
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Siluriformes (Catfishes) >
Loricariidae (Armored catfishes) > Hypostominae
Etymology: Guyanancistrus: Composed from Guyana + see under Ancistrus; brownsbergensis: Named after the Brownsberg Nature Park in Brownsberg Mountains, in which it was found, and which is presently under threat from illegal gold mining..
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の; pH range: 7.0 - 7.5. Tropical; 23°C - 23°C (Ref. 116863)
South America: upper Kumbu Creek in the Brownsberg Nature Park, Brownsberg Mountains in Suriname.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 6.4 cm SL オス/雌雄の選別がない; (Ref. 116863)
簡単な記述
形態学 | 形態計測学
背面の脊椎 (合計): 2; 背鰭 (合計): 7; 臀鰭: 6.
The type locality in the upper Kumbu Creek at Kumbu Falls (430 m asl) is a small mountain stream with 2.5-3.7 m width, 28-50 cm water depth, with cool (23.1-23.2°C) water, high dissolved oxygen content of 93-96% saturation and 7.08-7.72 mg/L, a pH of 7.0-7.5, conductivity 30.8-31.6 μS/cm, a current strength of 0.29-0.56 m/s taken on 12 July 2014, bottom substrate consisting of sand, gravel, pebbles, boulders and bedrock, and mostly clear water. The creek is sheltered by overhanging vegetation, leaf litter and some woody debris (Ref. 116863).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Fisch-Muller, S., J.H.A. Mol and R. Covain, 2018. An integrative framework to reevaluate the Neotropical catfish genus Guyanancistrus (Siluriformes: Loricariidae) with particular emphasis on the Guyanancistrus brevispinis complex. Plos ONE 13(1):e0189789. (Ref. 116863)
IUCNのレッドリストの状況は (Ref. 130435)
絶滅危惧 (EN) (B1ab(iii)); Date assessed: 20 October 2020
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
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 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00712 - 0.03216), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
回復力 (Ref.
120179): 高い, １５か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
