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💧 Freshwater Near Threatened 🐠 Aquarium 🌡️ Tropical

Opsarius Lairokensis

Opsarius lairokensis Arunkumar & Tombi Singh, 2000
Max Length
10.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Opsarius Lairokensis (Opsarius lairokensis), first described by Arunkumar & Tombi Singh, 2000 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 10.50 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Near Threatened.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Cyprinidae kept in the hobby.

Scientific Name
Opsarius lairokensis
Authority
Arunkumar & Tombi Singh, 2000
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
NT
Max Length
10.5 cm
Trophic Level
3.4
Resilience
High
Vulnerability
25.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 8; Anal spines: 2; Anal soft rays: 11. 14-16 dark lateral bands; predorsal scales 21; maxilla just reaching anterior margin of orbit .: fusiform / normal.

🌀 Behaviour

Behavioural data for Opsarius Lairokensis 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
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.04 (TL)
Max TL
10.5cm
Dorsal Spines
2
Dorsal Rays
8
Anal Spines
2
Anal Rays
11

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Near Threatened
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Arunkumar & Tombi Singh, 2000

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