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💧 Freshwater Vulnerable 🐠 Aquarium 🌡️ Tropical

Pethia Nigripinnis

Pethia nigripinnis Knight, Rema Devi, Indra & Arunachalam, 2012
Max Length
4.5 cm
Max Weight
-
Lifespan
-
Trophic Level
2.7
Depth
-
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Pethia Nigripinnis (Pethia nigripinnis) is a ray-finned fish of the family Cyprinidae. It inhabits freshwater waters. This species can reach a maximum total length of 4.5 cm. With a trophic level of 2.7, it is an omnivore, consuming both plant and animal matter. It is assessed as Vulnerable on the IUCN Red List.

Scientific Name
Pethia nigripinnis
Authority
Knight, Rema Devi, Indra & Arunachalam, 2012
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
VU
Max Length
4.5 cm
Trophic Level
2.7
Vulnerability
10.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 10; Anal soft rays: 8. Distinguished from other species of the genus Puntius by the following characters: barbels absent; last unbranched dorsal ray serrated; 20-21 scales in lateral series; lateral line incomplete, piercing 3-5 scales; dorsal, anal, pelvic and pectoral fins black in adult males; body pattern consisting of a black humeral spot on the 3rd or 4th lateral-line scale and a second larger spot on the 18th and 19th scale, which appears as more of a band, forming a ring around the caudal peduncle; and only two scales between the second spot and the hypural notch .: fusiform / normal.

🌀 Behaviour

Behavioural data for Pethia Nigripinnis 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

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
2.7±0.2

📐 Morphometrics

Length–Weight Relationship: W = 0.01072 × L3 (TL)
Max TL
4.5cm
Dorsal Rays
10
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Vulnerable
Assessment Date
2021

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
2.7
Omnivore / Planktivore
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Knight, Rema Devi, Indra & Arunachalam, 2012

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