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🌊 Marine Least Concern 🌡️ Deep-water

Tattooedj jawfish

Opistognathus decorus Vaniz & Yoshino, 1985
Max Length
15.5 cm
Max Weight
-
Lifespan
-
Trophic Level
3.6
Depth
120–140 m
Climate
Deep-water
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
deep-water

📖 Overview

This species is probably a deep-water species, similar to its sister-species Opistognathus aurolineatus (reflected in the depth range given) . Mouthbrooders .

Scientific Name
Opistognathus decorus
Authority
Vaniz & Yoshino, 1985
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
15.5 cm
Depth Range
120–140 m
Trophic Level
3.6
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11 - 12; Dorsal soft rays (total): 12; Anal spines: 2; Anal soft rays: 11; Vertebrae: 26. This species is distinguished by the following characters: with a rigid upper jaw lacking flexible lamina posteriorly, extending about 1.2 to 1.5 eye diameters behind posterior margin of orbit; infraorbitals are very broad and robust, the third infraorbital with no suborbital shelf; D XI-XII, 12 (usually XI,12); A II,11; vertebrae 10+16; scale rows in horizontal series 56-67; total gill rakers 41-44. Colouration: in life, body with 5-7 violet-blue stripes and head with prominent violet-blue blotches (Ref, 128653).Cross section: compressed.

🌀 Behaviour

Behavioural data for Tattooedj 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

Employ mouthbrooding to care for their young .

🌍 Habitat & Distribution

Marine; demersal; depth range 120 - 140 m . Deep-water

🌿 Ecology

Zone Preferences
🌊 Marine 🌑 Deep Water ⬇️ Benthic
Trophic Level
3.6±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
15.5cm
Dorsal Spines
12
Dorsal Rays
12
Anal Spines
2
Anal Rays
11
Vertebrae
26

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.6
Predator
Climate Zone
Deep-water
Described By
Vaniz & Yoshino, 1985

👥 Community & Contribute

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