The Nature LibraryEN·ES
GBIF·2350441speciesAnimalia120 occurrence records
  1. kingdomAnimalia
  2. ›phylumChordata
  3. ›orderCyprinodontiformes
  4. ›familyPoeciliidae
  5. ›genusFluviphylax
Fluviphylax simplex
FIGURE 4 | Fluviphylax simplex coloration in life: A. UFRJ 9389, male, Alter do Chão, Tapajós River; B. Silva, Ottoni, Queiroz, 2025 (CC BY 4.0) · Plazi / Biodiversity Literature Repository. Found by name on iNaturalist, Wikimedia Commons and in the open-access papers that described the species (Plazi); click a picture for its credit and licence.
IUCN LC · Least concern

Miniature killifish

Fluviphylax simplex Costa, 1996

Also calledBarrigudinho (por) · Guaru (por) · Lanterninha (por) · zářnoočko prosté (ces)

First described in: Costa, W. J. E. M. (1996). Relationships, monophyly and three new species of the neotropical miniature poeciliid genus Fluviphylax (Cyprinodontiformes: Cyprinodontoidei). <em>Exploration of Freshwaters.</em> 7 (2): 111-130.

This species is catalogued but little written about: there is no encyclopaedia article for it yet. What the world knows is in its records below and in the literature linked under “In the stacks”.

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Where it has been recorded

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.

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In the stacks

Searching the stacks…

Every page naming Fluviphylax simplex in the Biodiversity Heritage Library →

From the GBIF Backbone Taxonomy and occurrence records (GBIF.org), with Wikipedia and the Source Library. GBIF species 2350441.