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💧 Freshwater Critically Endangered 🌡️ Subtropical

Poropuntius Exiguus

Poropuntius exiguus Wu & Lin, 1977
Max Length
10.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
21.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Poropuntius Exiguus (Poropuntius exiguus), first described by Wu & Lin, 1977 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 10.90 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Critically Endangered.

Scientific Name
Poropuntius exiguus
Authority
Wu & Lin, 1977
Habitat
Freshwater
Climate
Subtropical
IUCN Status
CR
Max Length
10.9 cm
Trophic Level
3.2
Resilience
High
Vulnerability
21.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Smaller fins, particularly the caudal fin; sexually mature at a remarkably small size, smaller than any other species of Poropuntius, with the likely exception of the very distinctive Poropuntius hathe; large specimens (5.85-8.28 cm) have a more or less well developed nuchal hump, a feature not observed in any other mainland Poropuntius; small fish (5.04-6.0 cm) have no or almost no hump .

🌀 Behaviour

Behavioural data for Poropuntius Exiguus 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. Subtropical

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00646 × L3.09 (TL)
Max TL
10.9cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2022

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
21.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Subtropical
Described By
Wu & Lin, 1977

🦠 Common Diseases

The following diseases are known to affect Poropuntius Exiguus.

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