分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cypriniformes (Carps) >
Danionidae (Danios) > Chedrinae
Etymology: Opsaridium: Greek, opsarion, -ou = a little portion fish (Ref. 45335).
More on authors: Gilchrist & Thompson.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 亞熱帶的; 15°C - 25°C (Ref. 26673)
Africa: Save, Limpopo, Incomati, Umbeluzi and Phongola River systems (Ref. 26673). Generally confined to zones below 1200 m altitude along the lower escarpment and Lowveld of the Northern Province and Mpululanga, Swaziland and Kwazulu/Natal (Ref. 26673). A relict population in Lephalala River, Limpopo system, in the Waterberg, Northern Province (Ref. 26673).
非洲: 救援，凌波波河， Incomati ， Umbeluzi 與 Phongola 河流域。 通常 1200個公尺高度之下的地帶侷限於沿著陡坡下游與北部地區與 Mpululanga ，史瓦濟蘭與夸祖魯/納塔爾的低草原。 殘餘倖存者族群: Lephalala 河，凌波波河系統, 在 Waterberg ，北部地區中。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 52193); 最大年齡: 6 年 (Ref. 26673)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 0; 背的軟條 (總數) : 10 - 11; 臀棘: 0; 臀鰭軟條: 14 - 16.
Inhabits clear, flowing water in rapids or instream pools of rivers (Ref. 26673); frequenting pools below rapids or water flows over sand or gravel (Ref. 52193). It feeds primarily on benthic macroinvertebrates, mainly chironomid and simuliid larvae, and adult insects taken from the surface (Ref. 26673)..Gonadosomatic index indicates that the species is a partial spawner which breeds over an extended period during the spring and summer months (Ref. 26673), spawning several times during the season (Ref. 52193)..
在急流或河的水流水池中棲息於清澈又流動的水。 主要吃底棲的無脊椎動物, 主要地寶刀魚與 simuliid 仔魚, 與昆蟲成蟲取自了表面。 Gonadosomatic 檢索指出此魚種是在春天與夏天數個月期間繁殖經過一長段時間的一個在局部時間產卵的魚類。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
非洲: 救援，凌波波河， Incomati ， Umbeluzi 與 Phongola 河流域。 通常 1200個公尺高度之下的地帶侷限於沿著陡坡下游與北部地區與 Mpululanga ，史瓦濟蘭與夸祖魯/納塔爾的低草原。 殘餘倖存者族群: Lephalala 河，凌波波河系統, 在 Waterberg ，北部地區中。
Skelton, P.H., 1996. A review of Opsaridium zambezense (Pisces: Cyprinidae) from southern Africa with description of a new species from Malawi. Ichthyol. Explor. Freshwat. 7(1):59-84. (Ref. 26673)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 08 December 2016
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5002 [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).
營養階層 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
