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🌊 Marine Least Concern 🌡️ Subtropical

Smallhead sole

Soleichthys microcephalus Günther, 1862
Max Length
22 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
3–43 m
Climate
Subtropical
Resilience
Medium
Vulnerability
30.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Found in estuaries and harbors, usually buried in muddy substrate . Move with undulating body when disturbed, reminiscent of distasteful flatworm, thus possibly deterring predators .

Scientific Name
Soleichthys microcephalus
Authority
Günther, 1862
Habitat
Marine
Climate
Subtropical
Body Shape
Short and / or deep
IUCN Status
LC
Max Length
22 cm
Depth Range
3–43 m
Trophic Level
3.5
Resilience
Medium
Vulnerability
30.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 71 - 84; Anal soft rays: 61 - 71; Vertebrae: 43 - 45. This species is distinguished from its congeners by the following characters: vertebrae 43-45; dorsal-fin rays 71-84; anal-fin rays 61-71; lateral-line scales 81-89; ocular-side pigmentation pattern consists of 8-10 dark-brown to black, mostly complete crossbands on the body, with these bands noticeably wider than the alternating lighter-colored crossbands; 3 dark brown crossbands continuous across head; 2 conspicuous white spots in longitudinal series on the ocular-side midline; 2 elongated ocular-side pectoral-fin rays of nearly equal length or with the second fin ray longer than first; small scales on bases and proximal halves of elongated ocular-side pectoral-fin rays .: short and / or deep; Cross section: flattened.

🌀 Behaviour

Behavioural data for Smallhead sole 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; brackish; demersal; depth range 3 - 43 m . Subtropical; 30°S - 34°S Southwest Pacific: warm-temperate New South Wales, Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🌿 Brackish ⬇️ Benthic
Trophic Level
3.5±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00955 × L3.07 (TL)
Max TL
22cm
Dorsal Rays
78
Anal Rays
66
Vertebrae
44

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2021

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
30.00/100
Low vulnerability
Trophic Level
3.5
Predator
Body Shape
Short and / or deep
Climate Zone
Subtropical
Described By
Günther, 1862

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