Alburnus sarmaticus

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Alburnus sarmaticus Freyhof & Kottelat, 2007

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drawing shows typical species in Leuciscidae.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Leuciscidae (Minnows) > Leuciscinae
Etymology: Alburnus: From the city of Al Bura, where the fish was known (Ref. 45335);  sarmaticus: Named after the Sarmatians, referring to an earlier group of tribes that inhabited southern European Russia, Ukraine and the eastern Balkans from the 5th century BC to the 4th century AD..
More on authors: Freyhof & Kottelat.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水; 半鹹淡水 底中水層性.

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Europe: Rivers South Bug and Dniepr in Ukraine; River Danube in Romania and most likely in Ukraine and Bulgaria; River Kolpa, an upper tributary to the River Save in Croatia and Slovenia (Ref. 75106). Almost extirpated in Danube; seems to survive only in River Kolpa (Ref. 59043).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 59043)

簡短描述 型態特徵 | 形態測量圖

Differs from other species of shemayas by the combination of the following characters: origin of anal fin about 1½ -2½ scales behind dorsal-fin base; anal fin with 15-17½ branched rays; gill rakers 27-34; length of gill raker at angle between upper and lower limbs of first gill arch 30-55% of opposite inner gill filament; lateral line scales 56-63 + 4-5; ventral keel exposed for 4-6 scales in front of anus, reaching about 25% of distance between anus and pelvic-fin base; head length 21-23% SL; predorsal length 53-58% SL; caudal peduncle depth 6.9-8.1% SL,1.7-2.0 times in its length; eye diameter 4.8-5.8% SL, 1.3-1.6 times in interorbital distance; presence of numerous small tubercles in nuptial males; absence of faint, dark midlateral stripe (Ref. 75106).

生物學特性     字彙 (例如 epibenthic)

Inhabits lower and middle parts of large rivers, estuaries, coastal lakes and adjacent areas of seas where salinity is lowered by large inflow of freshwater. Can tolerate salinities of up to 12 ppt. Adults mainly prey on planktonic crustaceans, terrestrial insects, and small fish. Larvae and young juveniles feed on zooplankton, algae and insect larvae. Spawns in riffles with heavy current on gravel bottom. There are semi-anadromous and riverine populations. Anadromous populations commence to enter rivers in autumn and move upstream in winter and/or spring. Adults move back to the sea soon after spawning to forage. Young individuals migrate downriver in autumn of same year or the following spring. Hybridizes with Squalius cephalus. All populations sharply declined in the early and middle 20th century due to the constructed dams that hindered in reaching the spawning grounds. Today, spawning occurs only below these dams (Ref. 59043).

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚

Deposits sticky eggs which adhere on pebbles or stones (Ref. 59043).

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Freyhof, J. and M. Kottelat, 2007. Review of the Alburnus mento species group with description of two new species (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 18(3):213-225. (Ref. 75106)

IUCN 瀕危狀態 (Ref. 130435)

  瀕危 (EN) (B2ab(v)); Date assessed: 05 March 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00661 (0.00314 - 0.01391), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
營養階層 (Ref. 69278):  2.7   ±0.3 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 (Assuming Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (21 of 100).