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Enteromius alberti (Poll, 1939)

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Enteromius alberti
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分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Smiliogastrinae
Etymology: Enteromius: Greek, enteron = intestine + Greek, myo, mys = muscle (Ref. 45335);  alberti: Probably, the species epithet alberti is derived from the name of the former 'Parc National Albert', now Virunga National Park, in which the type locality is located (Ref. 127947).

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水 底中水层性.

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: river systems throughout the Lake Edward basin and Lake Victoria basin (Ref. 27628, 127947).

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 7.4 cm SL 雄鱼/尚未辨别雌雄; (Ref. 127947)

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 - 12; 臀棘: 0; 臀鳍软条: 8 - 9. Diagnosis: Enteromius alberti belongs to the group of species of Enteromius with a flexible last unbranched dorsal fin ray that lacks serrations along its posterior edge (Ref. 127947). It can easily be distinguished from the other species of this group from the East Coast and Nilo-Sudan ichthyofaunal regions by the following combination of characteristics: a complete lateral line vs. an incomplete lateral line in E. atkinsoni, E. pumilus, E. serengetiensis, E. tongaensis and E. toppini; two pairs of barbels vs. one pair in E. pseudotoppini, and no barbels in E. anema and E. profundus; one to three dark spots on the flanks, which sometimes fuse into a mid-lateral line in preserved specimens, starting posterior to the operculum vs. a dark line running from the tip of the snout to the caudal fin base in E. bifrenatus and E. yongei, and a thin dark line from the beginning of the operculum to the caudal fin base in E. viviparus; 12 scales around the caudal peduncle, with one aberrant specimen with 16, vs. 8 in E. leonensis, 9-10 in E. venustus, and 10 in E. magdalenae and E. yeiensis; 4.5 scales between the dorsal fin base and the lateral line vs. 3.5 in E. radiatus, 5.5 in E. unitaeniatus, and 6 in E. usambarae; a dorsal fin length which is larger than the head length vs. a dorsal fin length equal to the headclength in E. innocens; a body depth which is larger than the head length vs. a body depth which is equal to the head length in E. nigeriensis and E. trispilopleura; a pectoral fin length which is 5/6 of the head length vs. 3/4 in E. lineomaculatus, and 2/3 to 3/4 in E. neglectus; a maximum caudal peduncle depth which is 3/5 of the head length vs. 2/5 in E. quadripunctatus (Ref. 127947). Enteromius alberti differs from E. perince by a combination of a smaller body depth, 21.7-31.2% of standard length vs. 33.8-37.5%; a smaller minimum caudal peduncle depth, 10.0-13.6% of standard length vs. 15.0-16.4%; and a smaller maximum caudal peduncle depth, 11.8-15.5% of standard length vs. 17.7-19.4%; it differs from E. stigmatopygus by a combination of a higher number of lateral line scales, 27-34 vs. 20.25; a smaller predorsal distance, 45.7-51.3% of standard length vs. 51.9-55.8%; and a smaller pre-occipital distance, 16.6-21.8% of standard length vs. 22.1-27.3%; it differs from E. mimus by a higher number of lateral line scales, 27-34 vs. 24-27; a smaller preanal distance, 65.1-73.0% of standard length vs. 68.4-74.8%; a larger post-anal distance, 16.3-24.2% of standard length vs. 16.3-19.3%; a smaller body depth, 21.7-31.2% of standard length vs. 26.5-34.3%; a smaller head depth, 15.1-19.0% of standard length vs. 17.8-21.8%; and a smaller pelvic fin length, 15.0-20.9% of standard length vs. 18.2-22.4% (Ref. 127947). Specimens of E. alberti differ from the population of E. cf. mimus from the Lake Edward system by a smaller head depth; in general, a specimen with a head depth smaller than 19% of the standard length can be assigned to E. alberti, specimens with a head depth larger than 19% of the standard length can be assigned to E. cf. mimus; other characters are the higher number of lateral line scales, 27-34 vs. 21-31, the smaller interorbital width, 5.8-8.3% of standard length vs. 6.9-9.9, the smaller pre-pelvic distance, 44.8-53.3% of standard length vs. 48.4-55.4%, the smaller body depth, 21.7-31.2% of standard length vs. 23.5-35.8%, the smaller maximum caudal peduncle depth, 11.8-15.5% of standard length vs. 8.7-19.0%, the smaller minimum caudal peduncle depth, 10.0-13.6% of standard length vs. 7.1-15.9%, and the smaller head width, 10.4-14.2% of standard length vs. 11.6-14.5% (Ref. 127947).

生物学特性     字汇 (例如 epibenthic)

This species may be anadromous but with permanent populations in the upper reaches of larger rivers (Ref. 104796). Feeds on insects, but algae and debris are also taken (Ref. 12523).

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


主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Maetens, H., M. Van Steenberge, J. Snoeks and E. Decru, 2020. Revalidation of Enteromius alberti and presence of Enteromius cf. mimus (Cypriniformes: Cyprinidae) in the Lake Edward system, East Africa. Eur. J. Taxon. 700:1-28. (Ref. 127947)

世界自然保护联盟红皮书 (Ref. 130435)

  不评价 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

 





人类利用

FAO - Publication: search | FishSource |

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
营养阶层 (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
回复力 (Ref. 120179):  高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).