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🌊 Marine Least Concern 🌡️ Tropical

Fiji coralbrotula

Diancistrus fijiensis Schwarzhans, Møller & Nielsen, 2005
Max Length
4.9 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–20 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Fiji coralbrotula (Diancistrus fijiensis), first described by Schwarzhans, Møller & Nielsen, 2005 is a tiny fish in the family Dinematichthyidae (order Ophidiiformes). Adults typically reach 4.90 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 20 metres. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Diancistrus fijiensis
Authority
Schwarzhans, Møller & Nielsen, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
4.9 cm
Depth Range
0–20 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 70 - 81; Anal soft rays: 58 - 63; Vertebrae: 42 - 44. This species is characterized by having vertebrae 11+31-33=42-44, dorsal fin rays 70-81, anal fin rays 58-63; large eyes (2.4-3.2% SL); outer pseudoclasper moderately large, broad-based, wing-shaped, its tip strongly bent outwards; inner pseudoclasper bifurcate, both branches of about equal length, narrow, thin, forming sharp spines; scale patch on cheek with 3-4 rows of large scales, no scales on operculum; head slender; first anterior mandibular pore large, tubular, forwardly directed; otolith thick with irregularly curved dorsal rim .: elongated.

🌀 Behaviour

Behavioural data for Fiji coralbrotula 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; reef-associated; depth range 0 - 20 m . Tropical Central Pacific: Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.2±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
4.9cm
Dorsal Rays
76
Anal Rays
61
Vertebrae
43

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans, Møller & Nielsen, 2005

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