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🌊 Marine 🌡️ Subtropical

Smooth-snout flathead

Onigocia lacrimalis Imamura & Knapp, 2009
Max Length
14.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
111–325 m
Climate
Subtropical
Resilience
High
Vulnerability
22.00/100
Typical Length
-
Depth Zone
-

📖 Overview

Smooth-snout flathead (Onigocia lacrimalis), first described by Imamura & Knapp, 2009 is a small fish in the family Platycephalidae (order Perciformes). Adults typically reach 14.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 111 to 325 metres. It occurs in Subtropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator.

Scientific Name
Onigocia lacrimalis
Authority
Imamura & Knapp, 2009
Habitat
Marine
Climate
Subtropical
Body Shape
Elongated
Max Length
14.4 cm
Depth Range
111–325 m
Trophic Level
3.6
Resilience
High
Vulnerability
22.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 12 - 13; Anal soft rays: 12. This species is distinguished by the following set of characters: D2 12-–13 (usually 12); A 12; pectoral fin rays 21-25 (mode 23); branched caudal-fin rays 8; anterior scales in the lateral line 2-4 with a spine; single preocular spine, absence of gill rakers on upper arch, ocular and interopercular flaps, and distinct antrorse lachrymal spines .: elongated; Cross section: flattened.

🌀 Behaviour

Behavioural data for Smooth-snout 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; benthopelagic; depth range 111 - 325 m . Subtropical; 22°S - 30°S, 159°E - 160°E South West: currently known only from the Chesterfield Islands, Coral Sea, and northern Norfolk Ridge, Tasman Sea.

🌿 Ecology

Zone Preferences
🌊 Marine
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00457 × L3.09 (TL)
Max TL
14.4cm
Dorsal Spines
9
Dorsal Rays
13
Anal Rays
12

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
22.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Elongated
Climate Zone
Subtropical
Described By
Imamura & Knapp, 2009

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