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🌊 Marine Data Deficient 🌡️ Tropical

Cargados jawfish

Opistognathus simus Vaniz, 2010
Max Length
5.5 cm
Max Weight
Lifespan
Trophic Level
3.4
Depth
Climate
Tropical
Resilience
Vulnerability
10.00/100
Typical Length
Depth Zone
pelagic

📖 Overview

Cargados jawfish (Opistognathus simus) is a ray-finned fish of the family Opistognathidae. It inhabits marine (saltwater) waters in pelagic environments. This species can reach a maximum total length of 5.5 cm. With a trophic level of 3.4, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Data Deficient on the IUCN Red List.

Scientific Name
Opistognathus simus
Authority
Vaniz, 2010
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
DD
Max Length
5.5 cm
Trophic Level
3.4
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 15; Anal spines: 3; Anal soft rays: 15 - 16; Vertebrae: 29. This species is distinguished by the following set of characters: rigid maxilla without flexible lamina posteriorly; D XI,15; body with about 53-62 oblique scale rows in longitudinal series; no scales anterolaterally forward of verticals from 5th or 6th segmented dorsal-fin rays; no pale basicaudal spots on caudal fin; no vomerine teeth .: elongated.

🌀 Behaviour

Behavioural data for Cargados jawfish is currently being reviewed.

🦐 Diet

Diet information for Cargados jawfish is currently being compiled.

🥚 Reproduction

Reproduction data for Cargados jawfish is currently being compiled.

🌍 Habitat & Distribution

Marine; pelagic-neritic; depth range 1 - ? m . Tropical known only from Cargados Carajos [= St.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
5.5cm
Dorsal Spines
11
Dorsal Rays
15
Anal Spines
3
Anal Rays
16
Vertebrae
29

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2017

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Vaniz, 2010

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