分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Cyprinodontiformes (Rivulines, killifishes and live bearers) >
Rivulidae (Rivulines) > Rivulinae
Etymology: Maratecoara: A Brazilian name from Aruana/Goias; gesmonei: Named gesmonei in gratitude and recognition to Gesmone Fernandes Godoy, who discovered the species (Ref. 95615).
Environment: milieu / climate zone / depth range / distribution range
生态学
; 淡水 底中水层性.
South America: Brazil, Pará state, São Félix do Xingu, temporary pool at island in the middle of the rio Xingu (Ref. 95615).
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL 雄鱼/尚未辨别雌雄; (Ref. 95615); 2.5 cm SL (female)
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 - 11; 臀棘: 0; 臀鳍软条: 14 - 15; 脊椎骨: 25 - 26. Diagnosis: male body depth 23.7-25.9% SL; caudal peduncle depth, 13.0-15.5% SL; length of dorsal-fin base, 13.5-14.5% SL; length of anal-fin base, 19.7-21.5% SL; caudal-fin length, 34.1-41.4% SL; pelvic-fin length, 12.2-14.8%SL; head depth, 62.5-64.6% HL; head width, 33.8-35.7% HL; pectoral-fin posterior margin reaching vertical between base of the 1st and 2nd anal-fin rays; contact organs absent; anal-fin origin between pleural ribs of 12th and 13th; 24-25 caudal-fin rays; 7 pelvicfin rays; 8 transverse series of scales; 25-26 vertebrae; female body depth 23.9-25.9% SL; caudal peduncle depth, 12.7-12.9% SL; length of dorsal-fin base, 11.3-13.3% SL; length of anal-fin base 15.9-18.1% SL; caudal-fin length 31.9-37.2% SL; pectoral-fin length, 19.1-23.8% SL; head depth 63.0-64.7% HL; head width 35.3-39.7% HL; eye diameter 30.8-33.0% HL (Ref. 95615).
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
Nielsen, D.T.B., M. Martins and R. Britzke, 2014. Description of a new species of annual fish, Maratecoara gesmonei (Cyprinodontiformes: Rivulidae) from the rio Xingu system, Amazon basin, Brazil. aqua, Int. J. Ichthyol. 20(2):87-96. (Ref. 95615)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00315 - 0.03034), b=3.03 (2.78 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.4 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).