分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | 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
生态学
; 淡水 底中水层性. 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 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 52193); 最大年龄: 6 年 (Ref. 26673)
简单描述
检索表 | 型态特徵 | 形态测量图
背棘 (总数) : 0; 背的软条 (总数) : 10 - 11; 臀棘: 0; 臀鳍软条: 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栖息于清澈又流动的水。 主要吃底栖的无脊椎动物, 主要地宝刀鱼与 simuliid 仔鱼, 与昆虫成虫取自了表面。 Gonadosomatic 检索指出此鱼种是在春天与夏天数个月期间繁殖经过一长段时间的一个在局部时间产卵的鱼类。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
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)
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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).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (tmax=6).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
