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🌊 Marine Data Deficient 🌡️ Tropical

Threestripe jawfish

Opistognathus aurolineatus Vaniz, 2023
Max Length
22.4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.7
Depth
120–140 m
Climate
Tropical
Resilience
-
Vulnerability
17.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Threestripe jawfish (Opistognathus aurolineatus), first described by Vaniz, 2023 is a medium-sized fish in the family Opistognathidae (order Perciformes). Adults typically reach 22.40 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 120 to 140 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Opistognathus aurolineatus
Authority
Vaniz, 2023
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
22.4 cm
Depth Range
120–140 m
Trophic Level
3.7
Vulnerability
17.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 12; Anal spines: 2; Anal soft rays: 11; Vertebrae: 26. The species is distinguished by the following characters: a rigid upper jaw lacking flexible lamina posteriorly, extending about 0.9 eye diameters behind posterior margin of orbit; infraorbitals are very broad and robust, third infraorbital without suborbital shelf; D XI,12; A II,11; vertebrae 10+16; scale rows in horizontal series about 68 or 69; total gill rakers on first arch 39; when alive, it has 3 golden stripes on the body .: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Threestripe jawfish 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; demersal; depth range 120 - 140 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.7±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
22.4cm
Dorsal Spines
11
Dorsal Rays
12
Anal Spines
2
Anal Rays
11
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
17.00/100
Low vulnerability
Trophic Level
3.7
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vaniz, 2023

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