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🌊 Marine Least Concern 🌡️ Tropical

Northwest Australian whiptail

Pentapodus porosus Valenciennes, 1830
Max Length
27 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
5–50 m
Climate
Tropical
Resilience
High
Vulnerability
26.00/100
Typical Length
15 cm
Depth Zone
reef

📖 Overview

Northwest Australian whiptail (Pentapodus porosus), first described by Valenciennes, 1830 is a medium-sized fish in the family Nemipteridae (order Perciformes). Adults typically reach 27.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 5 to 50 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species largely solitary in behaviour. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Pentapodus porosus
Authority
Valenciennes, 1830
Habitat
Marine
Climate
Tropical
Body Shape
Fusiform / normal
IUCN Status
LC
Max Length
27 cm
Depth Range
5–50 m
Trophic Level
3.6
Resilience
High
Vulnerability
26.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 7. Head scales reaching forward to or almost to level of posterior nostrils. Suborbital naked. Lower limb of preopercle naked. Pelvic fins short, not reaching near level of anus. Upper and lower lobes of caudal fin pointed, more or less equal in length. Axillary scale present. Color: Upper body pale brownish, lower whitish. Presence of three bluish stripes across snout, first joining eyes behind nostrils, second in front of nostrils, third from eye to tip of snout. A yellow stripe from behind eye to upper base of pectoral fin and another running from middle of upper lip.: fusiform / normal; Cross section: oval.

🌀 Behaviour

Behavioural data for Northwest Australian whiptail 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 5 - 50 m . Tropical; 3°S - 27°S, 109°E - 141°E northwest Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.6±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.0138 × L2.97 (TL)
Max TL
27cm
Dorsal Spines
10
Dorsal Rays
9
Anal Spines
3
Anal Rays
7

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2020

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
26.00/100
Low vulnerability
Trophic Level
3.6
Predator
Body Shape
Fusiform / normal
Climate Zone
Tropical
Described By
Valenciennes, 1830

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