New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

💧 Freshwater 🌡️ Tropical

Hypsolebias Guararug

Hypsolebias guararug Filho, Carvalho, Ramos & Lima, 2026
Max Length
3.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Hypsolebias Guararug (Hypsolebias guararug) is a ray-finned fish of the family Rivulidae. It inhabits freshwater waters. This species can reach a maximum total length of 3.4 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms.

Scientific Name
Hypsolebias guararug
Authority
Filho, Carvalho, Ramos & Lima, 2026
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
Max Length
3.4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 13 - 23; Anal soft rays: 19 - 24; Vertebrae: 27 - 28. This species is distinguished from its congeners by the following set of characters: polymorphic males with 1-3 black spots distributed on anterocentral portion of flank and caudal peduncle; pelvic fin rays in adult males 6; scales on longitudinal series 27-28; scales on peduncle series 10-13; infraorbital neuromasts 15-16; head depth in males 52.1-88.4; position of dark grey bar in eye vertical; lateral mandibular neuromasts 10; and vertebrae 27-28 .: fusiform / normal.

🌀 Behaviour

Behavioural data for Hypsolebias Guararug is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; benthopelagic. Tropical South America: Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
3.4cm
Dorsal Rays
18
Anal Rays
22
Vertebrae
28

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Filho, Carvalho, Ramos & Lima, 2026

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Hypsolebias Guararug ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.