分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Siluriformes (Catfishes)
鯰形目 (Catfishes) >
Doradidae (Thorny catfishes)
陶樂鯰科 (Thorny catfishes) > Astrodoradinae
Etymology: Amblydoras: Greek, amblys = darkness + Greek, dora = skin (Ref. 45335); nheco: Genus name from the Greek meros (= part, portion), in reference to the incomplete lateral line, plus the suffix –doras, as traditionally applied to genera in this family. Gender masculine. Specific name toponymic with reference to the town of Nhecolândia,.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶; 16°S - 19°S, 55°W - 56°W
South America: Brazil, Estado do Mato Grosso do Sul: município de Rio Verde de Mato Grosso, Rio Anhuma, tributary of Rio Negro (Paraguay basin) (Ref. 58340)
南美洲: 巴西 , Estado 做 Mato Grosso 做 Sul: municipio de Rio Verde de Mato Grosso ， Rio Anhuma, 尼格羅河 (巴拉圭流域) 的支流 (參考文獻 58340)
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 7.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 81048)
簡短描述
型態特徵 | 形態測量圖
Merodoras is diagnosed from all other doradids by having midlateral plates with medial thorns directed ventrally in adults, and from all doradids except Physopyxis cristata by having an incomplete lateral line. Merodoras also is diagnosed by the unique combination of the following characteristics: pectoral girdle entirely exposed ventrally, with the opening for the arrector ventralis inferior reduced to a small fossae on anterior edge of coracoid; caudal fin truncate; dorsal-fin spine smooth, without serrae; lacrimal serrated; lateral ethmoid serrated (Ref. 58340)
Merodoras 從所有的其他 doradids 被鑑定用中間的刺藉著具有側面中央的碟當成魚時方向朝向腹側, 與從所有的 doradids 除了 Physopyxis cristata 以外藉由有一個不完全的側線。 Merodoras 也被鑑定下列特性的藉由獨特組合: 肩帶完全地腹地暴露出來, 與開口為直立的 ventralis 在鳥喙骨的前緣上的下方被縮小成的一個小的小窩; 尾鰭截形; 背鰭棘平滑的, 沒有鋸齒; 淚骨鋸齒狀的; 側面的中篩骨鋸齒狀的 (參考文獻 58340)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
南美洲: 巴西 , Estado 做 Mato Grosso 做 Sul: municipio de Rio Verde de Mato Grosso ， Rio Anhuma, 尼格羅河 (巴拉圭流域) 的支流 (參考文獻 58340)
Higuchi, H., J.L.O. Birindelli, L.M. Sousa and H.A. Britski, 2007. Merodoras nheco, new genus and species from Rio Paraguay basin, Brazil (Siluriformes, Doradidae), and nomination of the new subfamily Astrodoradinae. Zootaxa 1446:31-42. (Ref. 58340)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [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): 2.6 ±0.1 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).
