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💧 Freshwater 🌡️ Subtropical

Opsarius Pectoralis

Opsarius pectoralis Husain, 2012
Max Length
8.1 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
20.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Opsarius Pectoralis (Opsarius pectoralis), first described by Husain, 2012 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 8.10 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Opsarius pectoralis
Authority
Husain, 2012
Habitat
Freshwater
Climate
Subtropical
Body Shape
Short and / or deep
Max Length
8.1 cm
Trophic Level
3.3
Resilience
High
Vulnerability
20.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 3; Dorsal soft rays (total): 7; Anal spines: 3; Anal soft rays: 8. Snout broadly obtuse; lower jaw over hanging lower jaw; maxilla reaching to slightly beyond anterior margin of eye; 3rd suborbital half as deep as uncovered part of cheek below; dorsal commencing midway between nasal opening and caudal base; three outer pectoral rays strongly thickened, margin of pectoral fin notched at 3rd outer ray and next three rays bounded by a thick membrane in males; 4-5 rows of scales between lateral line and base of pelvic fin; 9-10 short lateral bars, not extending beyond dark coloration of back; and predorsal scales 29 .: short and / or deep.

🌀 Behaviour

Behavioural data for Opsarius Pectoralis 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
3.3±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L3.01 (TL)
Max TL
8.1cm
Dorsal Spines
3
Dorsal Rays
7
Anal Spines
3
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
20.00/100
Low vulnerability
Trophic Level
3.3
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Husain, 2012

🦠 Common Diseases

The following diseases are known to affect Opsarius Pectoralis.

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