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🌊 Marine Least Concern 🌡️ Tropical

Lonely coralbrotula

Diancistrus eremitus Schwarzhans, Møller & Nielsen, 2005
Max Length
8.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.3
Depth
0–16 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
pelagic

📖 Overview

Lonely coralbrotula (Diancistrus eremitus), first described by Schwarzhans, Møller & Nielsen, 2005 is a small fish in the family Dinematichthyidae (order Ophidiiformes). Adults typically reach 8.30 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 0 to 16 metres. It occurs in Tropical waters. It feeds on a mix of small fish and invertebrates as a mid-level predator. The species largely solitary in behaviour. On the IUCN Red List, it is classified as Least Concern.

Scientific Name
Diancistrus eremitus
Authority
Schwarzhans, Møller & Nielsen, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
8.3 cm
Depth Range
0–16 m
Trophic Level
3.3
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 83 - 86; Anal soft rays: 66 - 71; Vertebrae: 42 - 44. The species is characterized by the following: vertebrae 11+31-33=42-44, dorsal fin rays 83-86, anal fin rays 66-71; eyes very large (?3.0% SL), D/V 5-6; the outer pseudoclasper is large, more than 2 times the length of inner pseudoclasper, wing-shaped, with broad base and slightly concave pointed tip without a fleshy bulge; inner pseudoclasper joined to outer pseudoclasper anteriorly, thin, with single pointed tip, short, not extending over anterior part of outer pseudoclasper; moderately broad scale patch on cheek with 5-6 scale rows on upper cheek, small scale patch on operculum above opercular spine (4-5 scales in 2 rows); head massive; otolith moderately slender, length to height 1.9-2.0 . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Lonely 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; pelagic-neritic; depth range 0 - 16 m . Tropical Central Pacific: New Guinea-Solomon Island chain; off western Fiji.

🌿 Ecology

Zone Preferences
🌊 Marine 🐟 Pelagic
Trophic Level
3.3±0.5
🧍 Solitary

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
8.3cm
Dorsal Rays
85
Anal Rays
69
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
3.3
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Schwarzhans, Møller & Nielsen, 2005

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