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💧 Freshwater Endangered 🌡️ Tropical

Naggsi's striped rasbora

Rasbora naggsi Silva, Maduwage & Pethiyagoda, 2010
Max Length
7.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
19.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Naggsi's striped rasbora (Rasbora naggsi), first described by Silva, Maduwage & Pethiyagoda, 2010 is a small fish in the family Cyprinidae (order Cypriniformes). Adults typically reach 7.70 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Endangered.

Scientific Name
Rasbora naggsi
Authority
Silva, Maduwage & Pethiyagoda, 2010
Habitat
Freshwater
Climate
Tropical
Body Shape
Elongated
IUCN Status
EN
Max Length
7.7 cm
Trophic Level
3.2
Resilience
High
Vulnerability
19.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Vertebrae: 38. Rasbora naggsi is distinguished from all its congeners from India and Sri Lanka by a combination of the following characters: axial stripe anteriorly narrow, faint in preserved specimens; mouth terminal; symphysial knob and premaxillary lateral process absent; ½ 4/ 1/ 1 ½ scales in transverse line on body; post-dorsal length 43.8-46.5 % SL; and body depth 18.1-21.7 % SL .: elongated.

🌀 Behaviour

Behavioural data for Naggsi's striped rasbora 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 = 0.00708 × L3.08 (TL)
Max TL
7.7cm
Vertebrae
38

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Endangered
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
19.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Silva, Maduwage & Pethiyagoda, 2010

🦠 Common Diseases

The following diseases are known to affect Naggsi's striped rasbora.

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