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🌊 Marine Least Concern 🌡️ Tropical

Many-ray cusk

Microbrotula bentleyi Anderson, 2005
Max Length
4 cm
Max Weight
-
Lifespan
-
Trophic Level
3.2
Depth
0–55 m
Climate
Tropical
Resilience
High
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

Found from near the surface to 55 meters in protected reef structures . Solitary inhabitant of reef crevices, cryptic (Ref 90102).

Scientific Name
Microbrotula bentleyi
Authority
Anderson, 2005
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
4 cm
Depth Range
0–55 m
Trophic Level
3.2
Resilience
High
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Microbrotula
Microbrotula
Species
Many-ray cusk
Microbrotula bentleyi

🐟 Physical Description

Dorsal soft rays (total): 61 - 70; Anal soft rays: 50 - 57; Vertebrae: 44 - 47. This species is distinguished by the following characters: vertebrae 11-12+33-35=44-47; fin rays, on dorsal 61-70, anal 50-57, pectoral 15-17, caudal 7-8; anterior dorsal fin ray above vertebra number 7-8, anterior anal fin ray below dorsal fin ray number 12-16, anterior anal fin ray below vertebra 13-16; small forward-curved spine at lower angle of preopercle, hidden by skin; fleshy interorbital width 4.5-7.0% SL; palatine teeth papillae-like or absent . : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Many-ray cusk is currently being reviewed.

🦐 Diet

Diet information for Many-ray cusk is currently being compiled.

🥚 Reproduction

Reproduction data for Many-ray cusk is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 0 - 55 m . Tropical South Africa to the Red Sea and from the Philippines to Cape York Peninsula in northern Australia; widely distributed and large gap in the distribution is probably a collecting artefact rather than indicative of a true distribution.

🌿 Ecology

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

📐 Morphometrics

Length–Weight Relationship: W = 0.00468 × L3.03 (TL)
Max TL
4cm
Dorsal Rays
66
Anal Rays
54
Vertebrae
46

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
High
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.2
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Anderson, 2005

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