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💧 Freshwater Data Deficient 🌡️ Tropical

Hypsolebias Nudiorbitatus

Hypsolebias nudiorbitatus Costa, 2011
Max Length
-
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Hypsolebias Nudiorbitatus (Hypsolebias nudiorbitatus) is a ray-finned fish of the family Rivulidae. It inhabits freshwater waters. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Hypsolebias nudiorbitatus
Authority
Costa, 2011
Habitat
Freshwater
Climate
Tropical
IUCN Status
DD
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Belongs to the Hypsolebias antenori species group, differing from all congeners of this group by having a rudimentary squamation on the supra-orbital region, a unique color pattern on the caudal fin in males consisting of white dots arranged in transverse rows, 14 scale rows around the caudal peduncle, the dorsal fin slightly more posteriorly placed in males and the basihyal bone narrow .

🌀 Behaviour

Behavioural data for Hypsolebias Nudiorbitatus is currently being reviewed.

🦐 Diet

Diet information for Hypsolebias Nudiorbitatus is currently being compiled.

🥚 Reproduction

Reproduction data for Hypsolebias Nudiorbitatus is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Upper Itapicuru River basin in northeastern Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00603 × L3.14 (TL)

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Costa, 2011

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