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Cobitis pontica Vasil'eva & Vasil'ev, 2006

Pontic spined loach
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drawing shows typical species in Cobitidae.

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

Teleostei > Cypriniformes (Carps) 鯉形目 (Carps) > Cobitidae (Spined loaches) 鰍科 (Spined loaches)
Etymology: Cobitis: Greek, kobitis, -idos = a kind of sardine; also related with the voice Greek, kobios, Latin gobius = gudgeon (Ref. 45335);  pontica: Derived from the ancient Greek name Pont Euxin of the Black Sea..

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

; 淡水 底中水層性. 溫帶

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Europe: From Veleka (Bulgaria) to Istranca (Turkish Thrace) drainages (Ref. 57856); Marmara Sea basin and lower Sakarya drainage (Anatolia) (Ref. 59043).
歐洲: 在保加利亞的 Veleka 河。

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 10.1 cm SL (female)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 3; 背的軟條 (總數) : 7 - 8; 臀棘: 3; 臀鰭軟條: 6. Upper part of the base of the caudal fin with one elongated dark spot; broad axe-shaped lamina Canestrini in males; scales more or les rounded with relatively small central part devoid of cross furrows; Gambetta's zones of pigmentation well developed, the fourth zone consisting of relative large 13-17, usually 16 spots with depth equals or exceeds (the largest spots before dorsal fin) horizontal eye diameter; suborbital spine in females not reaching posterior edge of pupil, but in smaller males reaches as far as the posterior edge of the pupil or some more; the outer branch of this spine usually (85.7%) not reaching the center of the eye; head some shortened and deep with more or less straight profile; karyotype consists of 50 (10 meta-, 30 submeta-, 8 subtelo- and 2 areocentric) chromosomes, the number of chromosomes arms (NF) - 90 (Ref. 57856).
尾鰭基底的上半部有一瘦長的深色斑點; 寬的斧頭-在雄性中的形狀 薄板 Canestrini; 鱗片更多或 les 圓形的有相當小的中央部份沒有交叉的犁溝; Gambetta 的顏色發展良好的區域, 包含的第四個區域相關的大 13-17, 通常 16個斑點隨著深度等於或者超過 (最大的斑點在背鰭之前) 水平的眼直徑; 在雌性的眶下骨棘不達到瞳孔的後緣, 但是在較小的雄性中達到遠達瞳孔或再多一些的後緣; 這一根棘的外部分支通常 (85.7%) 不達成眼的中心; 一些變短的頭部且深具有約略直的輪廓; 染色體組型由 50 組成 (10 meta-, 30 submeta-, 8 subtelo- 而且 2 areocentric) 染色體, 染色體手臂 (NF) 的數字 - 90.(參考文獻 57856)

生物學特性     字彙 (例如 epibenthic)

Found in small brooks to large rivers, in flowing or still waters on sand, silt or mud bottoms (Ref. 59043). Oviparous, possibly with distinct pairing during breeding similar to congeners (Ref. 205).

卵生的, 可能有明顯的成對在繁殖的時候類似同類.(參考文獻 205)

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚

During courtship, 'the male follows the female and, after both enter dense vegetation (e.g. filamentous algae), the male forms a complete ring around the female's body behind the dorsal as the female releases the eggs' (Ref. 59043).歐洲: 在保加利亞的 Veleka 河。

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

Vasil'eva, E.D. and V.P. Vasil'ev, 2006. Cobtitis pontica sp. nova - a new spined loach species (Cobitidae) from the Bulgarian waters. J. Ichthyol. 46(Suppl. 1):15-20. (Ref. 57856)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 01 January 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

  無害處的





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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=0.00562 (0.00254 - 0.01244), b=3.05 (2.87 - 3.23), in cm total length, based on LWR estimates for this Genus-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 (Assumed Fec < 10,000).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).