Austrolebias Univentripinnis
📖 Overview
Austrolebias Univentripinnis (Austrolebias univentripinnis), first described by Costa & Cheffe, 2005 is a tiny fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 3.60 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Endangered.
🔬 Taxonomy
🐟 Physical Description
Belongs to a clade that also includes Austrolebias viarius, A. arachan, A. adloffi, A. charrua, A. minuano, A. nigrofasciatus, A. vandenbergi, A. bellottii and A. melanoorus, which is diagnosed by having a long and triangular anal fin in females. Similar to A. bellottii and A. melanoorus in having the urogenital papilla completely attached to the anal fin in males; differs from A. bellottii in having the dorsal fin more anteriorly placed in males, a shorter anal-fin base, lesser body depth and wider basihyal; differs from A. melanoorus by the number of rostral neuromasts, degree of pelvic-fin fusion, morphology of dorsum in females, color pattern of unpaired fins in males and color pattern of flank in both sexes .
🌀 Behaviour
Behavioural data for Austrolebias Univentripinnis is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic. Subtropical South America: Mirim Lagoon basin in Brazil.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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