Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Characiformes (Characins) >
Acestrorhamphidae (American tetras) > Thayeriinae
Etymology: neptunus: Named after the god Neptune; noun in apposition.
Eponymy: Neptune was the Roman god of the sea. He is often depicted holding a trident, and the name was inspired by the trident-like mark on the tetra’s caudal fin. (Ref. 128868), visit book page.
More on authors: Zarske & Géry.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; benthopelagic; pH range: 5.9 - ?. Tropical; 11°S - 12°S
South America: Amazon River basin in Bolivia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.2 cm SL male/unsexed; (Ref. 48393)
Known from black-water rivers, but may also occur elsewhere.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Zarske, A. and J. Géry, 2002. Hemigrammus neptunus sp.n. - eine neue Salmler-Art (Teleostei, Characiformes, Characidae) aus dem Einzugsgebiet des Río Manuripi in Bolivien (Departamento Pando). Zoologische Abhandlungen 52:23-34. (Ref. 48393)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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