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💧 Freshwater Critically Endangered 🌡️ Tropical

Hypsolebias Shibattai

Hypsolebias shibattai Nielsen, Martins, de Araujo & dos Reis Suzart, 2014
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

The type locality is a typical annual pool with substrate composed of clay and sand with slightly turbid water, and dense aquatic vegetation consisting of large stands of Utricularia sp. and Nymphaea sp. Occurs sympatrically with two other annual rivulids (Cynolebias sp. and Hypsolebias sp.) The pool has average depth of 80 cm, with the deepest portions about 1.2 m deep, slighty acidic water (pH 6.5), a low electric conductivity (22 μS/cm)., and water temperature of about 30°C at the surface and approximately 26°C at the deepest portion and shaded banks .

Scientific Name
Hypsolebias shibattai
Authority
Nielsen, Martins, de Araujo & dos Reis Suzart, 2014
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
CR
Max Length
3.4 cm
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Water Temp
26–30 °C
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 13 - 21; Anal soft rays: 16 - 19; Vertebrae: 25 - 26. : fusiform / normal.

🌀 Behaviour

Behavioural data for Hypsolebias Shibattai is currently being reviewed.

🦐 Diet

Diet information for Hypsolebias Shibattai is currently being compiled.

🥚 Reproduction

Reproduction data for Hypsolebias Shibattai is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 6.5 - ?. Tropical; 26°C - 30°C South America: Rio São Francisco basin in Bahia state, 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
17
Anal Rays
18
Vertebrae
26

🌡️ Water Parameters & Tolerance

Temperature Range
26–30°C
Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2021

📊 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
Nielsen, Martins, de Araujo & dos Reis Suzart, 2014

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