分類 / Names
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Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Rasbora: Rasbora, an Indian word for a fish, also used in Malay peninsula; maninjau: Named for the type locality, Lake Maninjau. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
生態学
; 新鮮な水 底生の漂泳性. Tropical
Asia: Lake Maninjau in central western Sumatra, Indonesia.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 8.3 cm SL オス/雌雄の選別がない; (Ref. 94947)
簡単な記述
検索表 | 形態学 | 形態計測学
背鰭 (合計) : 8; 臀鰭: 7; 脊つい: 34. Differs from other species of Rasbora by the combination of the following characters: the black midlateral stripe extending from the midhumeral region with a relatively uniform width and lacking the subdorsal blotch; the prominent acutely triangular basicaudal blotch; and the oval supra-anal pigmentation. Can be further diagnosed from the three other species of the Sumatrana group in northern Sumatra (Rasbora arundinata, R. haru, and R. bindumatoga) in having 26-27 + 3-4 lateral-line scales (vs. 24-25 + 4), 13 gill rakers on the first gill arch (vs. 10-12), 34 vertebrae (vs. 32-33), a relatively narrow body with a mean of 24.1% SL (vs. 26.3-29.7%), and a relatively narrow caudal peduncle with a mean of 11.9% SL (vs. 13.9-14.9%) (Ref. 94947).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Lumbantobing, D.N., 2014. Four new species of Rasbora of the Sumatrana group (Teleostei: Cyprinidae) from northern Sumatra, Indonesia. Zootaxa 3764(1):001-025. (Ref. 94947)
IUCNのレッドリストの状況は (Ref. 130435: Version 2024-2)
絶滅危惧 (EN) (B1ab(i,ii,iii)+2ab(i,ii,iii)); Date assessed: 28 April 2020
Human uses
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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=0.00759 (0.00306 - 0.01879), b=3.01 (2.82 - 3.20), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
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).
