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💧 Freshwater Least Concern 🌡️ Tropical

Opsarius Shacra

Opsarius shacra Hamilton, 1822
Max Length
14 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
Climate
Tropical
Resilience
High
Vulnerability
25.00/100
Typical Length
Depth Zone

📖 Overview

Found in rivers and streams . Collected in large river with diverse substrate consisting of sand, mud, gravel, pebble, cobble, and boulders .

Scientific Name
Opsarius shacra
Authority
Hamilton, 1822
Habitat
Freshwater
Climate
Tropical
IUCN Status
LC
Max Length
14 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): 7; Anal spines: 2; Anal soft rays: 8. Jaws of about equal length in front; maxilla reaching below anterior margin of orbit; 2/3rd suborbital half as wide as uncovered part of cheek below; dorsal midway between anterior margin of orbit and caudal base; 4-6 outer pectoral rays strong; about seven rows of scales between lateral line and base of pelvic fin; predorsal scales 25 scales; about 13 bluish spots along side of back; about 12 incomplete bars go from back downwards towards lateral line; and a dark bar along upper 3rd of dorsal fin .

🌀 Behaviour

Behavioural data for Opsarius Shacra is currently being reviewed.

🦐 Diet

Diet information for Opsarius Shacra is currently being compiled.

🥚 Reproduction

Reproduction data for Opsarius Shacra is currently being compiled.

🌍 Habitat & Distribution

Freshwater; benthopelagic; pH range: 8.0 - ?. Tropical; 22°C - ?

🌿 Ecology

Zone Preferences
💧 Freshwater
Trophic Level
3.4±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L2.96 (TL)
Max TL
14cm
Dorsal Spines
2
Dorsal Rays
7
Anal Spines
2
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2010

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
25.00/100
Low vulnerability
Trophic Level
3.4
Predator
Climate Zone
Tropical
Described By
Hamilton, 1822

👥 Community & Contribute

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