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🌊 Marine Data Deficient 🌡️ Tropical

Rhabdosargus Niger

Rhabdosargus niger Tanaka & Iwatsuki, 2013
Max Length
28.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
-
Climate
Tropical
Resilience
Medium
Vulnerability
43.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Rhabdosargus Niger (Rhabdosargus niger), first described by Tanaka & Iwatsuki, 2013 is a medium-sized fish in the family Sparidae (order Perciformes). Adults typically reach 28.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Data Deficient.

Scientific Name
Rhabdosargus niger
Authority
Tanaka & Iwatsuki, 2013
Habitat
Marine
Climate
Tropical
Body Shape
Short and / or deep
IUCN Status
DD
Max Length
28.9 cm
Trophic Level
3.2
Resilience
Medium
Vulnerability
43.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal spines (total): 11; Dorsal soft rays (total): 13; Anal spines: 3; Anal soft rays: 11; Vertebrae: 24. This species is distinguished from its congeners by the following set of characters: D XI,13; A III, 11; 11-12 scale rows below lateral line; 5.5 scale rows between the fifth dorsal-fin spine base and lateral line; 53-55 pored lateral-line scales; scaleless preopercular flange; 8-9 gill rakers on the lower limb; head and body silvery-black; no golden longitudinal line on the body; pelvic and anal fins are dusky gray .: short and / or deep; Cross section: compressed.

🌀 Behaviour

Behavioural data for Rhabdosargus Niger 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. Tropical

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.01995 × L2.96 (TL)
Max TL
28.9cm
Dorsal Spines
11
Dorsal Rays
13
Anal Spines
3
Anal Rays
11
Vertebrae
24

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Data Deficient
Assessment Date
2009

📊 Population Risk & Fisheries

Population Resilience
Medium
Minimum doubling time
Fishing Vulnerability
43.00/100
Moderate vulnerability
Trophic Level
3.2
Predator
Body Shape
Short and / or deep
Climate Zone
Tropical
Described By
Tanaka & Iwatsuki, 2013

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