分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Characiformes (Characins)
脂鯉目 (Characins) >
Characidae (Characins; tetras)
脂鯉科 (Characins; tetras) > Stethaprioninae
Etymology: Andromakhe: Named for Áνδρομάχη, Andromakhe (‘battle of men’), a character in Greek mythology, she is the wife of Hector, Prince of Troy, and, in Homer’s epic poem Iliad, the mother of Ἀστυάναξ, Astyanax (‘city protector’)..
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性.
South America: Bermejo River basin in Argentina.
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 4.4 cm SL 雄魚/尚未辨別雌雄; (Ref. 55782)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
Distinguished by a combination of the following characters: somewhat rhomboidal body; 24-29 branched anal fin rays; 1-4 maxillary teeth; long pectoral fins (23.2-26.6% SL) always reaching one third of pelvic fin rays; long pelvic fins (17.6-22.0 % SL) always surpassing anal fin origin; anal fin base long (32.3-36.7% SL); 26-27 gillrakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4% SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin (Ref. 55782).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
Mirande, J.M., G. Aguilera and M. Azpelicueta, 2004. A new species of Astyanax (Characiformes, Characidae) from the upper rio Bermejo basin, Salta Argentina. Rev. Suisse Zool. 111(1):213-223. (Ref. 55782)
IUCN 瀕危狀態 (Ref. 130435)
瀕危 (EN) (B1ab(iii)); Date assessed: 14 December 2020
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [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).
營養階層 (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
