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🌊 Marine Least Concern 🌡️ Tropical

Thai gizzard shad

Anodontostoma thailandiae Wongratana, 1983
Max Length
18 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
0–50 m
Climate
Tropical
Resilience
High
Vulnerability
18.00/100
Typical Length
12 cm
Depth Zone
pelagic

📖 Overview

Thai gizzard shad (Anodontostoma thailandiae) is a ray-finned fish of the family Dorosomatidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 18 cm. It occurs at depths between 0 and 50 metres. With a trophic level of 3.1, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Anodontostoma thailandiae
Authority
Wongratana, 1983
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
18 cm
Depth Range
0–50 m
Trophic Level
3.1
Resilience
High
Vulnerability
18.00/100
Migration
Anadromous
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Anal spines: 0; Anal soft rays: 17 - 25. Body depth increasing with size. Second supra-maxilla paddle-shaped. Lower gill rakers 46 to 140; longest gill rakers on lower part of arch equal to or longer than corresponding gill filaments. Last dorsal fin ray not filamentous. Hind edges of scales toothed, the teeth wider than gaps between them; a median series pre-dorsal scales. A large dark mark behind gill opening.: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Thai gizzard shad is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous 📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External

🌍 Habitat & Distribution

Marine; brackish; pelagic-neritic; anadromous ; depth range 0 - 50 m . Tropical; 24°N - 0°N, 85°E - 119°E South China Sea.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish 🐟 Pelagic
Migration
Anadromous
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00871 × L3.06 (TL)
Max TL
18cm
Anal Rays
21

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2017

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
18.00/100
Low vulnerability
Trophic Level
3.1
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Wongratana, 1983

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