Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Characidae (Characins; tetras) > Aphyocharacinae
Etymology: Cyanogaster: Cyano, latinized from the Greek word kúanous (κυανος), meaning blue, and gaster, from the Greek gastêr (γαστηρ), meaning stomach, in referring to the conspicuous iridescent blue colour in the abdominal region .
Eponymy: Dr Rolf Geisler (1925–2012) was a German aquarist, limnologist and ichthyologist, a professor at the University of Freiburg. [...] (Ref. 128868), visit book page.
More on authors: Zarske & Géry.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic. Tropical
South America: central Amazon in Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.5 cm TL male/unsexed; (Ref. 111518); max. published weight: 0.46 g (Ref. 111518)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Zarske, A. and J. Géry, 2007. Hemigrammus geisleri sp. n. - ein neuer Glassalmler aus dem zentralen Amazonasgebiet, mit einer ergänzenden Beschreibung von Hemigrammus mimus Böhlke, 1955 (Teleostei: Characiformes: Characidae). Vertebr. Zool. 57(1):5-14. (Ref. 58756)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00955 (0.00492 - 0.01854), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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