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Bathyaethiops atercrinis Mamonekene & Stiassny, 2012

Black fin moon tetra
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Classification / Names Tên thường gặp | Các synonym ( Các tên trùng) | Catalog of Fishes(Giống, Các loài) | ITIS | CoL | WoRMS | Cloffa

> Characiformes (Characins) > Alestidae (African tetras)
Etymology: Bathyaethiops: Greek, bathys = deep + Greek, Aethiopia, an African country (Ref. 45335);  atercrinis: Ater, from the Latin, meaning black or dark, and crinis, in the sense of the tail of a comet; named in reference to the striking black marking of the caudal peduncle and anal fin of mature males (Ref. 91757).

Environment: milieu / climate zone / depth range / distribution range Sinh thái học

; Nước ngọt Tầng nổi; pH range: 7.6 - 7.6. Tropical; 21°C - 23°C (Ref. 91757)

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Africa: Only known from Lékoumou River, a small tributary of the Louessé River in the Kouilou-Niari basin (Ref. 91757).

Bộ gần gũi / Khối lượng (Trọng lượng) / Age

Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL con đực/không giới tính; (Ref. 91757)

Short description Khóa để định loại | Hình thái học | Sinh trắc học

Các tia vây lưng cứng (tổng cộng) : 0; Các vây lưng mềm (tổng cộng) : 9 - 10; Tia cứng vây hậu môn: 0; Tia mềm vây hậu môn: 18 - 20; Động vật có xương sống: 33 - 35. Diagnosis: This species is distinguished from congeners by the possession of 21-24 scales in the longitudinal series vs. 28-42 scales, and from Brachypetersius altus by the possession of a short, abridged lateral line of 6 or 7 pored scales vs. a complete lateral line of 20-28 pored scales (Ref. 91757). Unique among related taxa in displaying marked sexual dichromatism, and dimorphism of the anal-fin skeleton; with medially expanded first anal-fin pterygiophores, markedly enlarged branched anal-ray segments, and strongly convex anal-fin profiles characterizing males; they also display a distinctive black blotch extending from just above midline behind the dorsal fin and passing ventrally over the anal fin (Ref. 91757).

Sinh học     Tự điển (thí dụ epibenthic)

This species was caught close to the bank of the river, at a depth of about 1 meter over sand and mud; banks covered with dense, undisturbed riparian vegetation consisting of large numbers of entangling lianas covering large trees which also bear many epiphytic orchids (Ref. 91757). Water temperature in the shallows where most specimens were collected was between 21.0-22.5°C and pH 7.6; water very turbid and current moderately rapid (Ref. 91757).

Life cycle and mating behavior Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng

Main reference Upload your references | Các tài liệu tham khảo | Người điều phối | Người cộng tác

Mamonekene, V. and M.L. Stiassny, 2012. A new Bathyaethiops (Characiformes: Alestidae) from the Lékoumou River (Kouilou-Niari Basin) in the Republic of Congo; First record of the genus in the Lower Guinean Ichthyofaunal Province. Copeia 2012(3):478-483. (Ref. 91757)

IUCN Red List Status (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





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Trophic ecology
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Các nguồn internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Giống, Các loài | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Cây Đời sống | Wikipedia: Go, tìm | World Records Freshwater Fishing | Zoobank | Tạp chí Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01148 (0.00528 - 0.02495), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Mức dinh dưỡng (Ref. 69278):  3.1   ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).