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🌊 Marine Least Concern 🌡️ Tropical

Beagle cusk

Beaglichthys macrophthalmus Machida, 1993
Max Length
9.6 cm
Max Weight
-
Lifespan
-
Trophic Level
3.4
Depth
-
Climate
Tropical
Resilience
Low
Vulnerability
10.00/100
Typical Length
-
Depth Zone
reef

📖 Overview

A benthic species which occurs in inshore waters . Rare species and known from a single specimen . Size at birth 2.33 cm TL . Maximum length of female from Ref. 10898. Depth range unkown, probably confined to shallow reefs among rock and coral crevices (Ref 90102).

Scientific Name
Beaglichthys macrophthalmus
Authority
Machida, 1993
Habitat
Marine
Climate
Tropical
Body Shape
Elongated
IUCN Status
LC
Max Length
9.6 cm
Trophic Level
3.4
Resilience
Low
Vulnerability
10.00/100
Salinity
30–40 ppt

🔬 Taxonomy

Genus
Beaglichthys
Beaglichthys
Species
Beagle cusk
Beaglichthys macrophthalmus

🐟 Physical Description

Dorsal spines (total): 1; Dorsal soft rays (total): 111; Anal spines: 0; Anal soft rays: 83; Vertebrae: 51 - 56. Thick skin covers the head and body. Scaly cheek. Snout, opercle and top of head without scales. Large, imbricate scales cover the body. : elongated; Cross section: compressed.

🌀 Behaviour

Behavioural data for Beagle cusk 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. Tropical West Pacific: northern coast of Australia.

🌿 Ecology

Zone Preferences
🌊 Marine 🪸 Reef Associated
Trophic Level
3.4±0.5

📐 Morphometrics

Length–Weight Relationship: W = 0.00389 × L3.12 (TL)
Max TL
9.6cm
Dorsal Spines
1
Dorsal Rays
111
Anal Rays
83
Vertebrae
54

🌡️ Water Parameters & Tolerance

Salinity Range
30–40ppt

🛡️ Conservation Assessment

IUCN Category
Least Concern
Assessment Date
2019

📊 Population Risk & Fisheries

Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
10.00/100
Low vulnerability
Trophic Level
3.4
Predator
Body Shape
Elongated
Climate Zone
Tropical
Described By
Machida, 1993

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