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

🌊 Marine Least Concern 🎣 Game Fish 🌡️ Tropical 🎣 Game Fish

Small-eyed flathead

Cymbacephalus bosschei Bleeker, 1860
Max Length
45 cm
Max Weight
-
Lifespan
-
Trophic Level
3.9
Depth
10–50 m
Climate
Tropical
Resilience
Medium
Vulnerability
36.00/100
Typical Length
35 cm
Depth Zone
reef

📖 Overview

Found in shallow coastal areas and reef flats to about 50 m. Usually captured by spear fishing or with ichthyocide, occasional specimen taken by trawling .

Scientific Name
Cymbacephalus bosschei
Authority
Bleeker, 1860
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
45 cm
Depth Range
10–50 m
Trophic Level
3.9
Resilience
Medium
Vulnerability
36.00/100
Migration
Non-migratory
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 12; Anal spines: 0; Anal soft rays: 12. No pit present behind upper eye. Preopercular spines short, usually 2 subequal. Infraorbital ridge usually smooth over eye. Suborbital ridge bearing 1slight spine just behind eye, spine often obscure or lacking in adults. No dermal papillae on upper eye. Caudal fin with a large elongate dark blotch along upper and lower margins. : elongated.

🌀 Behaviour

Behavioural data for Small-eyed flathead 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; reef-associated; non-migratory; depth range 10 - 50 m . Tropical Central Pacific: Philippines, Borneo, Singapore, Papua New Guinea, the Arafura Sea (Ref.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Migration
Non-migratory
Trophic Level
3.9±0.7

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.09 (TL)
Max TL
45cm
Dorsal Spines
9
Dorsal Rays
12
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2023

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
36.00/100
Moderate vulnerability
Trophic Level
3.9
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Bleeker, 1860

🎣 Angling Guide

Difficulty
Beginner
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Line Weight
15-30
Rod Type
medium-heavy spinning
Hook Size
2/0-5/0
Catch & Release
✓ Recommended
Best Months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Techniques
bottom fishing popping cork soft plastics live bait
Bait & Lures
live shrimp cut mullet soft plastic paddle-tails popping corks
Recommended Tackle
  • medium-heavy 7ft spinning rod
  • 30-50 lb braid
  • fluorocarbon leader
Where to Find Them
  • grass flats
  • oyster bars
  • marsh drains
  • deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips

Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.

Regulations Summary

⚠️ Slot limits protect breeding-size fish. Verify daily bag limits.

📊 Population Dynamics

Year Region Index Notes
- - -

🌐 Names & Taxonomy

Scientific Synonyms

Scientific Name Author Year Status
Inegocia bosschei Bleeker 1860 Synonym
Levanaora bosschei Bleeker 1860 Synonym
Papilloculiceps bosschei Bleeker 1860 Synonym
Platycephalus bosschei Bleeker 1860 Synonym
Platycephalus muelleri Klunzinger 1879 Synonym
Platycephalus mulleri Klunzinger 1879 Synonym
Suggrundus bosschei Bleeker 1860 Synonym
Thysanophrys mulleri Klunzinger 1879 Synonym

🗺️ Global Occurrence Map

Occurrence records from the Global Biodiversity Information Facility (GBIF) - 5 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 Small-eyed flathead ↗
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.