分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers)
鱂形目 (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines)
溪鱂科 (Rivulines) > Cynolebiinae
Etymology: Cynolebias: Greek, kyon = dog + Greek, odous = teeth + Greek, lebias = a kind of small fish (Ref. 45335); gibbus: Named for the prominent convexity of the anterior part of dorsum; an adjective..
More on author: Costa.
Environment: milieu / climate zone / depth range / distribution range
生態學
; 淡水 底中水層性. 熱帶
South America: middle São Francisco River basin in Brazil.
南美洲: 巴西。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 9.8 cm SL 雄魚/尚未辨別雌雄; (Ref. 40938); 8.7 cm SL (female)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背的軟條 (總數) : 14 - 18; 臀鰭軟條: 17 - 21; 脊椎骨: 37. Central part of dorsal surface of 5th ceratobranchial deeply concave and pronounced convex dorsal profile of body above the pectoral fin base. Pectoral fin of males usually longer with tip reaching between urogenital papilla and base of 3rd anal-fin base. Small golden spots scattered over the dorsal part of body sides. Dorsal-fin rays in males, 17-18, 14-18 in females; anal-fin rays 19-21 in males, 17-20 in females; caudal-fin rays 31-32. Caudal and pectoral fins rounded. Snout gently pointed with lower jaw slightly elongated. Supraorbital neuromasts 33-35 (Ref. 40938).
第 5個角鰓骨的背面的中央部份深深地凹曲與在胸鰭基底上面的身體的明顯中凸背面輪廓。 雄性的胸鰭通常較長的，被在泌尿生殖器的乳突與第三個臀鰭基底的基底之間達到的頂端。 小的金斑點散佈在身體側邊的背部部份。 在雄性中的背鰭鰭條,17-18,14-18 在雌性中; 在雄性中的臀鰭棘條 19-21,17-20 在雌性中; 尾鰭鰭條 31-32. 尾鰭與胸鰭圓的。 吻逐漸尖具有下頜些微地延長。 眶上的神經瘤 33-35.(參考文獻 40938)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
南美洲: 巴西。
Costa, W.J.E.M., 2001. The neotropical annual fish genus Cynolebias (Cyprinodontiformes: Rivulidae): phylogenetic relationships, taxonomic revision and biogeography. Ichthyol. Explor. Freshwat. 12(4):333-383. (Ref. 40938)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 07 November 2018
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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=0.00891 (0.00396 - 0.02008), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-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): 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).
