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

💧 Freshwater Endangered 🌡️ Tropical

Hypsolebias Ghisolfii

Hypsolebias ghisolfii Costa, Cyrino & Nielsen, 1996
Max Length
7.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Hypsolebias Ghisolfii (Hypsolebias ghisolfii), first described by Costa, Cyrino & Nielsen, 1996 is a small fish in the family Rivulidae (order Cyprinodontiformes). Adults typically reach 7.30 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Endangered.The species is a species of conservation concern.

Scientific Name
Hypsolebias ghisolfii
Authority
Costa, Cyrino & Nielsen, 1996
Habitat
Freshwater
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
EN
Max Length
7.3 cm
Trophic Level
3.3
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🔬 Taxonomy

🐟 Physical Description

Dorsal soft rays (total): 16 - 25; Anal soft rays: 19 - 24; Vertebrae: 29 - 30. Caudal peduncle of female with black spots. Male's anal fin with gray to black distal stripe, yellow in color; dorsal fin anteriorly pink, posteriorly yellow; basihyal broad, 70-95% in length; vestigial contact organs on flank scales. Second pharyngobranchial teeth, 5-6. Dorsal-fin rays 20-25 in male, 16-20 in female; anal-fin rays 21-24 in male, 19-24 in female; caudal-fin rays 23, caudal fin subtruncate in male, rounded in female. Short filamentous rays on tip of dorsal and anal-fin in male, reaching vertical through middle of caudal fin .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Hypsolebias Ghisolfii 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: São Francisco River basin, Brazil.

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
7.3cm
Dorsal Rays
21
Anal Rays
22
Vertebrae
30

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Costa, Cyrino & Nielsen, 1996

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Hypsolebias Ghisolfii ↗
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.