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🌊 Marine Least Concern 🌡️ Tropical

Greenfield's mudbrotula

Dermatopsis greenfieldi Møller & Schwarzhans, 2006
Max Length
5.3 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
1–10 m
Climate
Tropical
Resilience
-
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Greenfield's mudbrotula (Dermatopsis greenfieldi) is a ray-finned fish of the family Dinematichthyidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 5.3 cm. It occurs at depths between 1 and 10 metres. With a trophic level of 3.2, 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
Dermatopsis greenfieldi
Authority
Møller & Schwarzhans, 2006
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
5.3 cm
Depth Range
1–10 m
Trophic Level
3.2
Vulnerability
10.00/100
Salinity
30–40 ppt

🐟 Physical Description

Dorsal soft rays (total): 64 - 70; Anal soft rays: 44 - 49; Vertebrae: 39 - 41. This species is characterized by the following: vertebrae 11-12 + 27-29 = 39-41, dorsal fin rays 64-70, anal fin rays 44-49; body with scales; eye 1.8-2.6 % SL, sharp spine on ventral maxilla positioned behind rear tip of eye; otolith with pointed posterior tip and weak postdorsal angle, it is elongate, length to height ratio 2.1-2.2, sulcus with separated colliculi ; large, broad single pair of (outer) pseudoclaspers, inwardly connected to isthmus with ligament, and has 2 supporters, the anterior inclined, short, joined at base to massive and long posterior supporter .: elongated.

🌀 Behaviour

Behavioural data for Greenfield's mudbrotula 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 1 - 10 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
5.3cm
Dorsal Rays
67
Anal Rays
47
Vertebrae
40

🌡️ 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
Møller & Schwarzhans, 2006

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