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💧 Freshwater Critically Endangered 🌡️ Tropical

Protocobitis Polylepis

Protocobitis polylepis Zhu, Lü, Yang & Zhang, 2008
Max Length
2.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
12.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Protocobitis Polylepis (Protocobitis polylepis) is a ray-finned fish of the family Cobitidae. It inhabits freshwater waters in benthic environments. This species can reach a maximum total length of 2.6 cm. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List.

Scientific Name
Protocobitis polylepis
Authority
Zhu, Lü, Yang & Zhang, 2008
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
CR
Max Length
2.6 cm
Trophic Level
3.1
Resilience
High
Vulnerability
12.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 6 - 7; Anal spines: 2; Anal soft rays: 5. Differs from the known species, Protocobitis typhlops, by having the following characters: presence of light black pigmentation; body covered by rudimental scales except for head and abdomen; head length 24.1%-24.8% of SL; body depth 16.2%-16.3% of SL; inner rostral barbel length 19.8%-21.0% of head length; outer rostral barbel length 28.6%-30.2% of head length; maxillary barbel length 44.6%-46.0% of head length .: elongated.

🌀 Behaviour

Behavioural data for Protocobitis Polylepis is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; demersal. Tropical known only from an underground water source near Wuming County in Guangxi, China.

🌿 Ecology

Zone Preferences
💧 Freshwater ⬇️ Benthic
Trophic Level
3.1±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00501 × L3.08 (TL)
Max TL
2.6cm
Dorsal Spines
2
Dorsal Rays
7
Anal Spines
2
Anal Rays
5

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Critically Endangered
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
12.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Zhu, Lü, Yang & Zhang, 2008

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