New 🐟 Mercury Safety Guide & Omega-3 Rankings Updated for 2026. View Omega-3 Rankings →

🌊 Marine Least Concern 🌡️ Tropical

Lewis' round herring

Spratelloides lewisi Wongratana, 1983
Max Length
6 cm
Max Weight
-
Lifespan
-
Trophic Level
3
Depth
0–50 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Usually an inshore schooling species. More data needed. Used as bait in the tuna fishery. Found in coastal waters, sometimes forming large active schools at surface near reefs (Ref 90102).

Scientific Name
Spratelloides lewisi
Authority
Wongratana, 1983
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
6 cm
Depth Range
0–50 m
Latitude
12°S – 2°N
Trophic Level
3
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 0; Dorsal soft rays (total): 12 - 13; Anal spines: 0; Anal soft rays: 11 - 12. Distinguished from other species mainly by the silver band on the flanks which fades anteriorly (at about tips of pectoral fins). Maxilla toothed, triangular pre-maxillae, 2 supra-maxillae, second supra-maxilla asymmetrical (lower part larger than upper); vertical striae on scales not meeting at center; W-shaped pelvic scute. : fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Lewis' round herring is currently being reviewed.

🦐 Diet

aquatic invertebrates
small fish
algae
detritus

🥚 Reproduction

🐣 Oviparous

Oviparous .

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 0 - 50 m . Tropical; 2°N - 12°S, 130°E - 164°E Central Pacific: Solomon Islands, Papua New Guinea, and off Irian Jaya.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3
🐠 Schooling

📐 Morphometrics

Length–Weight Relationship: W = 0.00513 × L3.14 (TL)
Max TL
6cm
Dorsal Rays
13
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2018

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Latitude Range
2°N – 12°S
Described By
Wongratana, 1983

🌐 Names & Taxonomy

Language Common Names
🇬🇧English Lewis' round herring · Lewis' Sprat
🌍CES šprotek Lewisův
🇷🇺Russian Новогвинейская кибинаго

🗺️ Global Occurrence Map

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

Occurrence density from GBIF View GBIF records ↗

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Lewis' round herring ↗
Suggest an Edit

Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.

Link to a scientific paper, FishBase, or other authoritative source
Report an Issue

Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.