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💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Hypsolebias Gardneri

Hypsolebias gardneri Costa, Amorim & Mattos, 2018
Max Length
3.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Inhabits temporary pools with dense aquatic vegetation, under marginal bushes. Maximum length based on type specimen, to be replaced with a better reference .

Scientific Name
Hypsolebias gardneri
Authority
Costa, Amorim & Mattos, 2018
Habitat
Freshwater
Climate
Tropical
IUCN Status
VU
Max Length
3.7 cm
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

This species can be distinguished from other congeners by the following set of characters: caudal fin with 23 or 24 rays, subtruncate and longer in males; origin of the dorsal-fin posteriorly located to anal-fin origin in males and between the base of 3rd and 5th anal-fin rays in females; 2nd proximal radial of the dorsal fin located between neural spines of the 7th and 8th vertebrae in males. The body coloration of males can also be distinguished by a combination of the following characters: three dark greenish grey bars on the anterior area of the flank; dorsal fin with transverse blue stripes and the base is lined with blue spots; presence of dots and short vermiculate marks in anal fin, irregularly arranged on the anterior part of the fin; and anterior half of caudal fin with transverse rows of blue dots, posterior half with transverse blue bars .Cross section: oval.

🌀 Behaviour

Behavioural data for Hypsolebias Gardneri 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
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01122 × L3.04 (TL)
Max TL
3.7cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2021

📊 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, Amorim & Mattos, 2018

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