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💧 Freshwater Least Concern 🌡️ Tropical

Sumatran river sprat

Clupeichthys goniognathus Bleeker, 1855
Max Length
12 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
-
Climate
Tropical
Resilience
High
Vulnerability
27.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Occurs in large lakes or rivers . Found in the basin-wide mainstream of the lower Mekong . Feeds on planktonic crustaceans . Used to produce prahoc and tuk trey .

Scientific Name
Clupeichthys goniognathus
Authority
Bleeker, 1855
Habitat
Freshwater
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
12 cm
Latitude
4°S – 18°N
Trophic Level
3.1
Resilience
High
Vulnerability
27.00/100
Salinity
0–0.5 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 18; Anal spines: 0; Anal soft rays: 16 - 27. Body moderately elongate, belly keeled, with 9 or 10 + 7 or 8 scutes. Snout blunt, pre-maxillae small and toothed, prominent teeth at symphysis and along sides of lower jaw; second supra-maxilla spatulate, about half length of maxilla blade. Pectoral axillary scale less than half length of fin. Last two anal fin rays forming a separate finlet.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Sumatran river sprat 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. Tropical; 18°N - 4°S

🌿 Ecology

Zone Preferences
💧 Freshwater 🐟 Pelagic
Trophic Level
3.1±0.3
Food Items

planktonic crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00851 × L3.01 (TL)
Max TL
12cm
Dorsal Rays
15
Anal Rays
22

🌡️ Water Parameters & Tolerance

Salinity Range
0–0.5ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
27.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
18°N – 4°S
Described By
Bleeker, 1855

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