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🌊 Marine Least Concern 🌡️ Tropical

Reticulated jawfish

Opistognathus reticeps Vaniz, 2004
Max Length
11.7 cm
Max Weight
-
Lifespan
-
Trophic Level
3.5
Depth
2–29 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Reticulated jawfish (Opistognathus reticeps) is a ray-finned fish of the family Opistognathidae. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 11.7 cm. It occurs at depths between 2 and 29 metres. With a trophic level of 3.5, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

Scientific Name
Opistognathus reticeps
Authority
Vaniz, 2004
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
11.7 cm
Depth Range
2–29 m
Trophic Level
3.5
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 12; Dorsal soft rays (total): 15 - 16; Anal spines: 2; Anal soft rays: 13 - 14; Vertebrae: 31. This species is distinguished by having a dorsal fin with 4 dark blotches, the first 2 extending onto distal half of fin; dorsum of head is reticulated; lateral line terminus below verticals from 10th spine to 3rd segmented dorsal-fin ray .: elongated.

🌀 Behaviour

Behavioural data for Reticulated 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 2 - 29 m . Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.5±0.6

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
11.7cm
Dorsal Spines
12
Dorsal Rays
16
Anal Spines
2
Anal Rays
14
Vertebrae
31

🌡️ 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
3.5
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vaniz, 2004

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