This website uses cookies to enhance your browsing experience and ensure the functionality of our site. For more detailed information about the types of cookies we use and how we protect your privacy, please visit our Privacy Information page.

×

Cookie Settings

This website uses different types of cookies to enhance your experience. Please select your preferences below:

Austrolebias queguay
Austrolebias queguay Serra & Loureiro, 2018
photo by Serra, W.S. & Loureiro, M.

Family:  Rivulidae (Rivulines), subfamily: Cynolebiinae
Max. size:  3.94 cm SL (male/unsexed); 4.01 cm SL (female)
Environment:  benthopelagic; freshwater
Distribution:  South America: Uruguay.
Diagnosis:  This species differs from all its congeners except Austrolebias bellottii, A. univentripinnis, A. melanoorus, by the having the urogenital papilla attached to the anal fin in males (vs. free from the anal fin); differs from A. bellottii, A. univentripinnis by having well-defined light blue bands contrasting with the sides of the body in adult males (vs. vertical rows of light blue dots); differs from A. melanoorus by the dark gray colouration of the distal portion of the anal fin in males (vs. black), pelvic-fins dark bluish green (observed in ventral view) and bases united at about 50-80% on their medial margins (vs. dark gray and united about 50% or less), pectoral-fins with iridescent blue sub-marginal band (vs. no sub-marginal band), and general colouration of the body bluish green (vs. grayish sky blue) (Ref. 119404).
Biology: 
IUCN Red List Status: Critically Endangered (CR); Date assessed: 17 February 2021 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.