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🌊 Marine Least Concern 🌡️ Tropical

Smoothbelly sardinella

Amblygaster leiogaster Valenciennes, 1847
Max Length
23 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
0–50 m
Climate
Tropical
Resilience
High
Vulnerability
24.00/100
Typical Length
18 cm
Depth Zone
pelagic

📖 Overview

Smoothbelly sardinella (Amblygaster leiogaster) 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 23 cm. It occurs at depths between 0 and 50 metres. With a trophic level of 3.4, 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
Amblygaster leiogaster
Authority
Valenciennes, 1847
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
23 cm
Depth Range
0–50 m
Latitude
23°S – 34°N
Trophic Level
3.4
Resilience
High
Vulnerability
24.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 13 - 21; Anal spines: 0; Anal soft rays: 12 - 23. Body moderately slender, belly rather rounded, scutes not prominent. Distinguished from A. sirm by the absence of spots along the flank (gold in life, black on preservation) and fewer lower gill rakers. Closely resembles A. clupeoides, which has fewer lower gill rakers.: elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Smoothbelly sardinella is currently being reviewed.

🦐 Diet

Diet information for Smoothbelly sardinella is currently being compiled.

🥚 Reproduction

Spawn in school .

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 0 - 50 m . Tropical; 34°N - 23°S, 39°E - 178°W West Pacific: from Kenya to India, northeast to Yellow Sea and Okinawa Japan, south to Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.45
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.0055 × L3.05 (TL)
Max TL
23cm
Dorsal Rays
17
Anal Rays
18

🌡️ 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
24.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Latitude Range
34°N – 23°S
Described By
Valenciennes, 1847

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Amblygaster okinawensis Kishinouye 1908 Synonym
Amblyogaster leiogaster Valenciennes 1847 Synonym
Clupea leiogaster Valenciennes 1847 Synonym
Clupea okinawensis Kishinouye 1908 Synonym
Sardinella leiogaster Valenciennes 1847 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) — 8 records indexed .

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

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