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🌊 Marine Least Concern 🌡️ Tropical

Cabillus Nigromarginatus

Cabillus nigromarginatus Kovačić & Bogorodsky, 2013
Max Length
2.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.1
Depth
18–21 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
demersal

📖 Overview

Cabillus Nigromarginatus (Cabillus nigromarginatus) is a ray-finned fish. It inhabits marine (saltwater) waters in benthic environments. This species can reach a maximum total length of 2.3 cm. It occurs at depths between 18 and 21 metres. With a trophic level of 3.1, 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
Cabillus nigromarginatus
Authority
Kovačić & Bogorodsky, 2013
Habitat
Marine
Climate
Tropical
IUCN Status
LC
Max Length
2.3 cm
Depth Range
18–21 m
Trophic Level
3.1
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Cabillus
Cabillus
Species
Cabillus Nigromarginatus
Cabillus nigromarginatus

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 9 - 10; Anal spines: 1; Anal soft rays: 8. This species is distinguished by the following characters: median predorsal scales absent; two modified scales with enlarged ctenii ventrally and dorsally at the caudal-fin base, extending over fin rays; head with anterior and posterior oculoscapular, and preopercular canals, with pores ?, ?, ?, ?, ?, ?, ?, ?1, ?2, and ?, ?, ?, respectively.Cross section: oval.

🌀 Behaviour

Behavioural data for Cabillus Nigromarginatus 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 18 - 21 m . Tropical Indian Ocean: Rodrigues.

🌿 Ecology

Zone Preferences
🌊 Marine ⬇️ Benthic
Trophic Level
3.1±0.3

📐 Morphometrics

Length–Weight Relationship: W = 0.00741 × L3.09 (TL)
Max TL
2.3cm
Dorsal Spines
7
Dorsal Rays
10
Anal Spines
1
Anal Rays
8

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2024

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.1
Predator
Climate Zone
Tropical
Described By
Kovačić & Bogorodsky, 2013

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