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💧 Freshwater Least Concern 🌡️ Subtropical

Burmese river shad

Gudusia variegata Day, 1870
Max Length
16 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Subtropical
Resilience
High
Vulnerability
15.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Burmese river shad (Gudusia variegata), first described by Day, 1870 is a medium-sized fish in the family Dorosomatidae (order Clupeiformes). Adults typically reach 16.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Subtropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Gudusia variegata
Authority
Day, 1870
Habitat
Freshwater
Climate
Subtropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
16 cm
Trophic Level
3.1
Resilience
High
Vulnerability
15.00/100
Migration
Amphidromous
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0. Scutes along belly, 29 or 30. Three small triangular pectoral axillary scales; depressed tip of dorsal fin not reaching to vertical from anal fin origin. Hind margin of scales toothed. Dark blotch behind gill opening, followed by a series of spots along upper flank. Gill rakers fine and numerous, increasing with size of fish (100 to 280 in specimens of 4 to 16 cm standard length).: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Burmese river shad is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous
Spawning Season
spring
Spawn Location
Substrate
Fertilization
External

🌍 Habitat & Distribution

Freshwater; pelagic; amphidromous . Subtropical; 26°N - 17°N

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Migration
Amphidromous
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
16cm

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
15.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Subtropical
Described By
Day, 1870

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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