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💧 Freshwater 🌡️ Tropical

Opsarius Kanaensis

Opsarius kanaensis Arunkumar & Moyon, 2017
Max Length
5.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
14.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Found in fast-flowing stream and river with clear water, gravel or cobble bottoms; associated with Schistura manipurensis, Pethia meingangbii, Glyptothorax granulus, Channa marulius, Rasbora ornatus, Devario aequipinnatus, Acanthocobitis zonalternans, Botia histronica .

Scientific Name
Opsarius kanaensis
Authority
Arunkumar & Moyon, 2017
Habitat
Freshwater
Climate
Tropical
Max Length
5.7 cm
Trophic Level
3.2
Resilience
High
Vulnerability
14.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal soft rays (total): 7; Anal soft rays: 9; Vertebrae: 40. This species is distinguished from its congeners inhabiting the Chindwin basin of Manipur by the following set of characters: a pair of short rudimentary maxillary barbe; mandibular knob absent; length of origin of dorsal fin to the upper end of caudal fin lobe is longer than the distance between the origin of dorsal fin to the anterior margin of nares; blue black lateral bands 8-10; anterior base of caudal fin with a round blue black spot which is overlap by the last vertical band; dorsal fin with a black midtransverse band; distinct red colouration of anal fin, depth of caudal peduncle 9.2-9.9% SL; eye diameter 6.3-8.5% SL; post dorsal length 72.1-78.5% SL; head length 18.7-24.2% SL; head depth at occiput 17.2-21.2% SL; and at eye 64.6-70.0% HL; snout length 30.8-37.2% HL; interorbital width 32.2-35.8% HL and width of head at neck 42.6-48.5% HL .Cross section: compressed.

🌀 Behaviour

Behavioural data for Opsarius Kanaensis 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
3.2±0.4

📐 Morphometrics

Length–Weight Relationship: W = 0.00724 × L3.04 (TL)
Max TL
5.7cm
Dorsal Rays
7
Anal Rays
9
Vertebrae
40

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
14.00/100
Low vulnerability
Trophic Level
3.2
Predator
Climate Zone
Tropical
Described By
Arunkumar & Moyon, 2017

🦠 Common Diseases

The following diseases are known to affect Opsarius Kanaensis.

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