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

🌊 Marine Least Concern 🌡️ Tropical

Longlure flounder

Asterorhombus filifer Hensley & Randall, 2003
Max Length
10.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
3–57 m
Climate
Tropical
Resilience
Medium
Vulnerability
34.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found near reefs, in gullies, or cave entrances on sand or coral- or rock-rubble bottoms at 3-57 m depth . Benthic . Feeds on small fishes and crustaceans .

Scientific Name
Asterorhombus filifer
Authority
Hensley & Randall, 2003
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
10.5 cm
Depth Range
3–57 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
34.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 81 - 88; Anal soft rays: 63 - 69. This species is distinguished by the following combination of characters: palmate gill-rakers; uniserial dentition in both jaws; first dorsal-fin ray separated from remainder of fin, elongate, 0.8-1.7 in head length (HL), posterior membrane on ray broad, with a smooth margin, and running nearly entire length of ray; eyes usually with one tentacle, frequently branched; sexual dimorphism in interorbital width in specimens larger than ca. 60 mm SL, 8.9-18 in HL (1.6-3.1 % SL) in males, 15-21.2 (0.9-2.3 % SL) in females; body depth 2.0-2.5 in SL (40.4-50.1 SL); lateral line scales 56-67 .: short and / or deep.

🌀 Behaviour

Behavioural data for Longlure flounder 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; depth range 3 - 57 m . Tropical South Africa to Hawaii.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.5±0.4
Food Items

small fishes and crustaceans (Ref

📐 Morphometrics

Length–Weight Relationship: W = 0.00912 × L3.04 (TL)
Max TL
10.5cm
Dorsal Rays
85
Anal Rays
66

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2015

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
34.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Hensley & Randall, 2003

👥 Community & Contribute

Aquareap Community Observations
0 Observations logged on Aquareap

No observations yet - be the first to log one!

View all observations for Longlure flounder ↗
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.